{ "state": "Wisconsin", "state_code": "WI", "last_updated": "2026-09-01", "source": { "title": "WI DNR Accredited Laboratories - January 2026 (drinking water chemistry NR 809/NR 812) plus DATCP/DNR BactiLab coliform list", "url": "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "document_date": "2026-01-21", "retrieved": "2026-09-01", "excel_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "bactilab_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "private_well_testing_url": "https://dnr.wisconsin.gov/topic/Wells/privateWellTest.html", "wslh_public_health_tests": "https://www.slh.wisc.edu/environmental/water/public-health-tests-available-to-wisconsin-citizens/", "wslh_kit_ordering": "https://www.slh.wisc.edu/environmental/water/public-environmental-and-water-testing-prices/", "weal_well_water_testing": "https://www.uwsp.edu/center-for-watershed-science-and-education/well-water-testing/", "limitations": [ "The January 2026 Excel is a drinking-water chemistry accreditation list (NR 809 and NR 812), also linked for homeowners on the DNR certified-lab-lists page. It is not by itself a private-well acceptance directory.", "BactiLab lists DATCP-certified labs for coliform bacteria analysis of drinking water. Certification is not an endorsement (portal disclaimer).", "Municipal water utilities, wastewater treatment plants, sanitary districts, and similar public-system laboratories were omitted from this directory. That is a directory choice for private well owners, not a statement about their certification.", "Out-of-state laboratories on the chemistry Excel (often PFAS-only or specialty) were omitted; they remain on the official file.", "Industrial laboratories (e.g., Kohler Co. CHEM Lab) and the DATCP agency laboratory itself were omitted as not homeowner-facing.", "Only Wisconsin State Laboratory of Hygiene and UWSP Water & Environmental Analysis Lab (WEAL) are independently verified here to serve private well / homeowner samples, via their own public pages.", "Prices are intentionally omitted (they change). Call the lab.", "Certification and phone numbers change. Confirm with the laboratory and WI DNR LabCert / DATCP before you ship a sample." ], "excel_wi_labs_before_type_omit": 52, "bactilab_rows_total": 137, "bactilab_omitted_municipal_count": 58 }, "lab_count": 74, "verified_private_well_count": 2, "labs": [ { "id": "wi-a1-advanced-pumping-service-inc", "fid": "998018010", "name": "A1 Advanced Pumping Service, Inc.", "city": "West Salem", "county": "La Crosse", "state": "WI", "address": "N4314 COUNTY ROAD M, WEST SALEM WI 54669-9526", "phone": "608-784-1888", "lab_type": "Treatment, Storage & Disposal Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-agsource-laboratories", "fid": "737109450", "name": "AgSource Laboratories", "city": "Marshfield", "county": "Marathon", "state": "WI", "address": "3700 DOWNWIND DR, MARSHFIELD WI 54449", "phone": "715-898-1402", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Alkalinity", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Chloride", "Copper", "Fluoride", "Lead", "Manganese", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Sulfate", "Thallium" ], "chemistry_other_summary": "Alkalinity, Antimony, Barium, Beryllium, Cadmium, +8 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-analytichem-llc", "fid": "431011680", "name": "Analytichem LLC", "city": "Luxemburg", "county": "Kewaunee", "state": "WI", "address": "N9190 BAY MEADOWS LANE, LUXEMBURG WI 54217-9639", "phone": "920-866-3944", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Chloride", "Fluoride", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Orthophosphate", "Sulfate" ], "chemistry_other_summary": "Chloride, Fluoride, Orthophosphate, Sulfate", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-badger-laboratories-stevens-point", "fid": "750110460", "name": "Badger Laboratories - Stevens Point", "city": "Stevens Point", "county": "Portage", "state": "WI", "address": "3426 E MARIA DR, STEVENS POINT WI 54481-1332", "phone": "715-544-4900", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [ "THM (group)", "VOCS, REGULATED (group)", "VOCS, UNREGULATED (group)" ], "chemistry_other_summary": "THM (group), VOCS, REGULATED (group), VOCS, UNREGULATED (group)", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-badger-laboratories-inc", "fid": "445023150", "name": "Badger Laboratories, Inc.", "city": "Neenah", "county": "Outagamie", "state": "WI", "address": "2150 MEMORIAL DR, GREEN BAY WI 54303", "phone": "920-729-1100", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Alkalinity", "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Calcium", "Chloride", "Chromium", "Copper", "Cyanide", "Fluoride", "Iron", "Lead", "Magnesium", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Orthophosphate", "Selenium", "Silver", "Sodium", "Sulfate", "TDS (Total Dissolved Solids)", "Thallium", "Zinc", "pH" ], "chemistry_other_summary": "Alkalinity, Aluminum, Antimony, Barium, Beryllium, +22 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-bayfield-county-health-dept", "fid": "804075250", "name": "Bayfield County Health Dept.", "city": "Washburn", "county": "Bayfield", "state": "WI", "address": "117 E 6TH ST, WASHBURN WI 54891", "phone": "715-373-6109", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-branch-river-testing-services-llc", "fid": "405224600", "name": "Branch River Testing Services LLC", "city": "Greenleaf", "county": "Brown", "state": "WI", "address": "693 LAMERS CLANCY RD, GREENLEAF WI 54126", "phone": "920-532-0016", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Arsenic", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-brown-county-public-health-department", "fid": "405200070", "name": "Brown County Public Health Department", "city": "Green Bay", "county": "Brown", "state": "WI", "address": "2198 GLENDALE AVE, GREEN BAY WI 54303-6405", "phone": "920-448-6400", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-city-of-milwaukee-health-department-lab", "fid": "241311290", "name": "City of Milwaukee Health Department Lab", "city": "Milwaukee", "county": "Milwaukee", "state": "WI", "address": "841 N BROADWAY, MILWAUKEE WI 53202-3640", "phone": "414-286-3526", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [ "Lead" ], "chemistry_other_summary": "Lead", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-clean-water-testing-llc", "fid": "445126660", "name": "Clean Water Testing LLC", "city": "Appleton", "county": "Outagamie", "state": "WI", "address": "unknown", "phone": "920-733-7590", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": false, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Alkalinity", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Chromium", "Copper", "Fluoride", "Lead", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Sodium", "Sulfate", "Thallium", "pH" ], "chemistry_other_summary": "Alkalinity, Antimony, Barium, Beryllium, Cadmium, +11 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-commercial-testing-laboratory-inc", "fid": "617013980", "name": "Commercial Testing Laboratory Inc.", "city": "Colfax", "county": "Dunn", "state": "WI", "address": "514 MAIN ST, COLFAX WI 54730-0526", "phone": "715-962-3121", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Arsenic", "Barium", "Beryllium", "Cadmium", "Chromium", "Copper", "Cyanide", "Lead", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Sodium", "Thallium" ], "chemistry_other_summary": "Barium, Beryllium, Cadmium, Chromium, Copper, +6 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-ct-laboratories", "fid": "157066030", "name": "CT Laboratories", "city": "Baraboo", "county": "Sauk", "state": "WI", "address": "1230 LANGE CRT, BARABOO WI 53913", "phone": "608-356-2760", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "THM (group)", "VOCS, REGULATED (group)", "VOCS, UNREGULATED (group)", "Alkalinity", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Calcium", "Chloride", "Chromium", "Copper", "Cyanide", "Fluoride", "Iron", "Lead", "Magnesium", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Silver", "Sodium", "Sulfate", "TDS (Total Dissolved Solids)", "Thallium", "Zinc" ], "chemistry_other_summary": "THM (group), VOCS, REGULATED (group), VOCS, UNREGULATED (group), Alkalinity, Antimony, +22 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-davy-laboratories", "fid": "632021390", "name": "Davy Laboratories", "city": "La Crosse", "county": "La Crosse", "state": "WI", "address": "115 6TH ST S, LA CROSSE WI 54601-4153", "phone": "608-782-3130", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "HALOACETIC ACIDS (5)", "THM (group)", "VOCS, REGULATED (group)", "2,4-D", "Alkalinity", "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Calcium", "Chlordane", "Chloride", "Chlorine, Free", "Chromium", "Conductivity", "Copper", "Dalapon", "Dicamba", "Dinoseb", "Fluoride", "Iron", "Lead", "Magnesium", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Orthophosphate", "Pentachlorophenol", "Picloram", "Selenium", "Silver", "Silvex (2.4.5-TP)", "Sodium", "Sulfate", "TDS (Total Dissolved Solids)", "Thallium", "Toxaphene", "Turbidity", "Zinc", "pH" ], "chemistry_other_summary": "HALOACETIC ACIDS (5), THM (group), VOCS, REGULATED (group), 2,4-D, Alkalinity, +36 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-douglas-county-hhs-laboratory", "fid": "816006730", "name": "Douglas County HHS Laboratory", "city": "Superior", "county": "Douglas", "state": "WI", "address": "1316 N 14TH ST, SUPERIOR WI 54880", "phone": "715-395-1438", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-dunn-county-health-department", "fid": "617074700", "name": "Dunn County Health Department", "city": "Menomonie", "county": "Dunn", "state": "WI", "address": "3001 US HIGHWAY 12 E, MENOMONIE WI 54751-3045", "phone": "715-232-2388", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-eau-claire-city-county-health-department", "fid": "618019820", "name": "Eau Claire City-County Health Department", "city": "Eau Claire", "county": "Eau Claire", "state": "WI", "address": "720 SECOND AVE, EAU CLAIRE WI 54703-5413", "phone": "715-839-2870", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Chromium", "Copper", "Lead", "Manganese", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Silver", "Thallium", "Zinc" ], "chemistry_other_summary": "Aluminum, Antimony, Barium, Beryllium, Cadmium, +9 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-eurofins-s-f-analytical-laboratories-inc", "fid": "241249360", "name": "Eurofins S-F Analytical Laboratories Inc.", "city": "New Berlin", "county": "Milwaukee", "state": "WI", "address": "2345 S 170TH ST, NEW BERLIN WI 53151-2701", "phone": "262-754-5300", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Arsenic", "Copper", "Lead", "Nitrate + Nitrite", "Nitrate", "Nitrite" ], "chemistry_other_summary": "Copper, Lead", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-iron-county-health-department", "fid": "826005950", "name": "Iron County Health Department", "city": "Hurley", "county": "Iron", "state": "WI", "address": "210 5TH AVE N, HURLEY WI 54534-1386", "phone": "715-561-2191", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-jackson-county-public-health-water-lab", "fid": "627062810", "name": "Jackson County Public Health Water Lab", "city": "Black River Falls", "county": "Jackson", "state": "WI", "address": "421 COUNTY ROAD R, BLACK RIVER FALLS WI 54615", "phone": "715-284-4301", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-kenosha-county-division-of-health-lab", "fid": "230153220", "name": "Kenosha County Division of Health Lab", "city": "Kenosha", "county": "Kenosha", "state": "WI", "address": "8600 SHERIDAN RD, KENOSHA WI 53143", "phone": "262-605-6705", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-la-crosse-county-hd-public-health-laboratory", "fid": "632072980", "name": "La Crosse County HD Public Health Laboratory", "city": "LaCrosse", "county": "La Crosse", "state": "WI", "address": "300 4TH ST N, LA CROSSE WI 54601", "phone": "608-785-9733", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Arsenic", "Lead", "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "Lead", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-lab-tech-services", "fid": "734044960", "name": "Lab-Tech Services", "city": "Deerbrook", "county": "Langlade", "state": "WI", "address": "N6411 VACHA LANE, DEERBROOK WI 54424", "phone": "715-623-6281", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-lafayette-county-health-department", "fid": "133027840", "name": "Lafayette County Health Department", "city": "Darlington", "county": "Lafayette", "state": "WI", "address": "729 CLAY ST, DARLINGTON WI 53530-1225", "phone": "608-776-4895", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-lincoln-county-health-department", "fid": "735036280", "name": "Lincoln County Health Department", "city": "Merrill", "county": "Lincoln", "state": "WI", "address": "607 N SALES ST, MERRILL WI 54452", "phone": "715-536-0307", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-lv-labs-ww-llc", "fid": "122046870", "name": "LV Labs WW, LLC", "city": "Lancaster", "county": "Grant", "state": "WI", "address": "1001 S MADISON ST, LANCASTER WI 53813-0384", "phone": "608-723-4096", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-marathon-county-public-health-laboratory", "fid": "737157080", "name": "Marathon County Public Health Laboratory", "city": "Wausau", "county": "Marathon", "state": "WI", "address": "1000 LAKEVIEW DR, WAUSAU WI 54403-6786", "phone": "715-261-1908", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-metiri-mequon", "fid": "246179890", "name": "Metiri - Mequon", "city": "Mequon", "county": "Ozaukee", "state": "WI", "address": "10520 BAEHR RD SUITE J, MEQUON WI 53092", "phone": "262-539-2316", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-northern-lake-service-inc-crandon", "fid": "721026460", "name": "Northern Lake Service Inc. (Crandon)", "city": "Crandon", "county": "Forest", "state": "WI", "address": "400 N LAKE AVE, CRANDON WI 54520", "phone": "715-478-2777", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "HALOACETIC ACIDS (5)", "PFAS (group) – EPA 537.1 (18)", "THM (group)", "VOCS, REGULATED (group)", "VOCS, UNREGULATED (group)", "3-Hydroxycarbofuran", "Alachlor", "Aldicarb", "Aldicarb Sulfone", "Aldicarb Sulfoxide", "Aldrin", "Alkalinity", "Aluminum", "Antimony", "Arsenic", "Atrazine", "Barium", "Benzo[a]pyrene", "Beryllium", "Butachlor", "Cadmium", "Calcium", "Carbaryl", "Carbofuran", "Chlordane", "Chloride", "Chromium", "Copper", "Cyanide", "Di(2-ethylhexyl)adipate", "Di(2-ethylhexyl)phthalate", "Dibromochloropropane (DBCP)", "Dieldrin", "Diquat", "Endothall", "Endrin", "Ethylene Dibromide (EDB)", "Fluoride", "Glyphosate", "Heptachlor", "Heptachlor epoxide", "Hexachlorobenzene", "Hexachlorocyclopentadiene", "Iron", "Lead", "Lindane (gamma-BHC)", "Magnesium", "Manganese", "Mercury", "Methomyl", "Methoxychlor", "Metolachlor", "Metribuzin", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Orthophosphate", "Oxamyl (Vydate)", "PCBs (as Aroclors) Screening", "Propachlor", "Selenium", "Silver", "Simazine", "Sodium", "Sulfate", "Thallium", "Toxaphene", "Zinc" ], "chemistry_other_summary": "HALOACETIC ACIDS (5), PFAS (group) – EPA 537.1 (18), THM (group), VOCS, REGULATED (group), VOCS, UNREGULATED (group), +60 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-northern-lake-service-inc-waukesha", "fid": "268533760", "name": "Northern Lake Service Inc. - Waukesha", "city": "Waukesha", "county": "Waukesha", "state": "WI", "address": "2420 N GRANDVIEW BLVD, WAUKESHA WI 54520", "phone": "262-547-3406", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Chloride", "Fluoride", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Sulfate" ], "chemistry_other_summary": "Chloride, Fluoride, Sulfate", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-pace-analytical-services-llc-green-bay-wi", "fid": "405132750", "name": "Pace Analytical Services,LLC-Green Bay WI", "city": "Green Bay", "county": "Brown", "state": "WI", "address": "1241 BELLEVUE ST, GREEN BAY WI 54302", "phone": "920-469-2436", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate", "Nitrite" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-polk-county-health-department", "fid": "649023980", "name": "Polk County Health Department", "city": "Balsam Lake", "county": "Polk", "state": "WI", "address": "100 POLK COUNTY PLAZA SUITE 180, BALSAM LAKE WI 54810-8009", "phone": "715-768-9117", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-quality-water-testing-inc", "fid": "656111390", "name": "Quality Water Testing, Inc.", "city": "Somerset", "county": "St. Croix", "state": "WI", "address": "395 REED ST, SOMERSET WI 54025", "phone": "715-247-4873", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-rock-county-health-department", "fid": "154077660", "name": "Rock County Health Department", "city": "Janesville", "county": "Rock", "state": "WI", "address": "3328 US HIGHWAY 51 N, JANESVILLE WI 53547-1088", "phone": "608-757-5441", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-swd-labs-llc", "fid": "111083830", "name": "SWD Labs, LLC", "city": "Randolph", "county": "Columbia", "state": "WI", "address": "N9935 PLEASANT RD, RANDOLPH WI 53956", "phone": "920-326-5193", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-tg-analytical-laboratories", "fid": "445158340", "name": "TG Analytical Laboratories", "city": "Greenville", "county": "Outagamie", "state": "WI", "address": "N1022 QUALITY DR, GREENVILLE WI 54942-8604", "phone": "920-757-1355", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Chromium", "Copper", "Fluoride", "Lead", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Silver", "Thallium", "Zinc" ], "chemistry_other_summary": "Aluminum, Antimony, Barium, Beryllium, Cadmium, +11 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-u-s-water-llc", "fid": "737240900", "name": "U.S. Water, LLC", "city": "Weston", "county": "Marathon", "state": "WI", "address": "6905 VENTURE CIR, WESTON WI 54476", "phone": "715-842-2215", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Chromium", "Copper", "Lead", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Selenium", "Silver", "Thallium", "Zinc" ], "chemistry_other_summary": "Aluminum, Antimony, Barium, Beryllium, Cadmium, +10 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-uw-oshkosh-env-research-innovation-ctr", "fid": "471183460", "name": "UW-Oshkosh Env. Research & Innovation Ctr", "city": "Oshkosh", "county": "Winnebago", "state": "WI", "address": "783 PEARL AVE, OSHKOSH WI 54901-3551", "phone": "920-424-3148", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "Arsenic", "Nitrate + Nitrite", "Nitrate", "Nitrite" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-uwsp-water-and-environmental-analysis-lab", "fid": "750040280", "name": "UWSP Water and Environmental Analysis Lab (WEAL)", "city": "Stevens Point", "county": "Portage", "state": "WI", "address": "800 Reserve St, Stevens Point, WI", "phone": "715-346-3209", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "yes", "sample_dropoff_or_mail": "Kits via county UW-Extension offices (WEAL well-water-testing page); call (715) 346-3209; weal@uwsp.edu", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "https://www.uwsp.edu/center-for-watershed-science-and-education/well-water-testing/" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21", "verified_private_well": true }, { "id": "wi-vernon-county-health-department", "fid": "663058110", "name": "Vernon County Health Department", "city": "Viroqua", "county": "Vernon", "state": "WI", "address": "318 FAIRLANE DRIVE, VIROQUA WI 54665-6140", "phone": "608-637-5251", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-walworth-co-health-human-services", "fid": "265192290", "name": "Walworth Co. Health & Human Services", "city": "Elkhorn", "county": "Walworth", "state": "WI", "address": "1910 COUNTY ROAD NN, ELKHORN WI 53121", "phone": "262-741-3200", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-water-diagnostics-laboratories", "fid": "246103990", "name": "Water Diagnostics Laboratories", "city": "Mequon", "county": "Ozaukee", "state": "WI", "address": "8605 W FREISTADT RD, MEQUON WI 53097", "phone": "414-350-1100", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-watertown-department-of-public-health-laboratory", "fid": "128099730", "name": "Watertown Department of Public Health Laboratory", "city": "Watertown", "county": "Dodge", "state": "WI", "address": "515 S 1ST ST, WATERTOWN WI 53094-4409", "phone": "920-262-8090", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-waukesha-co-dept-of-parks-land-use-deh", "fid": "268511760", "name": "Waukesha Co Dept of Parks & Land Use – DEH", "city": "Waukesha", "county": "Waukesha", "state": "WI", "address": "515 W MORELAND BLVD, WAUKESHA WI 53188", "phone": "262-896-8300", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-waupaca-county-environmental-microbiology-laboratory", "fid": "469100500", "name": "Waupaca County Environmental Microbiology Laboratory", "city": "Waupaca", "county": "Waupaca", "state": "WI", "address": "811 HARDING ST, WAUPACA WI 54981", "phone": "715-258-6323", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-white-water-associates-inc-wisconsin", "fid": "431018940", "name": "White Water Associates, Inc. - Wisconsin", "city": "Kewaunee", "county": "Kewaunee", "state": "WI", "address": "223B MILWAUKEE ST, KEWAUNEE WI 54216", "phone": "920-388-9067", "lab_type": "Commercial Lab", "category": "commercial", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-wisconsin-state-laboratory-of-hygiene", "fid": "113133790", "name": "Wisconsin State Laboratory of Hygiene", "city": "Madison", "county": "Dane", "state": "WI", "address": "2601 Agriculture Drive, Madison, WI", "phone": "800-442-4618", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "yes", "sample_dropoff_or_mail": "Drop-off Mon–Fri 7:45 AM–4:30 PM, 2601 Agriculture Drive, Madison; kits: call (800) 442-4618 or (608) 224-6202 (WSLH public pages)", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": true, "chemistry_parameter_bases": [ "HALOACETIC ACIDS (5)", "PFAS (group) – EPA 537.1 (18)", "THM (group)", "VOCS, REGULATED (group)", "VOCS, UNREGULATED (group)", "Alkalinity", "Aluminum", "Antimony", "Arsenic", "Barium", "Beryllium", "Cadmium", "Calcium", "Chromium", "Copper", "Cyanide", "Fluoride", "Iron", "Lead", "Magnesium", "Manganese", "Mercury", "Nickel", "Nitrate + Nitrite", "Nitrate", "Nitrite", "Orthophosphate", "Selenium", "Silver", "Sodium", "Sulfate", "TDS (Total Dissolved Solids)", "Thallium", "Zinc" ], "chemistry_other_summary": "HALOACETIC ACIDS (5), PFAS (group) – EPA 537.1 (18), THM (group), VOCS, REGULATED (group), VOCS, UNREGULATED (group), +25 more", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "https://www.slh.wisc.edu/environmental/water/public-health-tests-available-to-wisconsin-citizens/", "https://www.slh.wisc.edu/environmental/water/public-environmental-and-water-testing-prices/" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21", "verified_private_well": true }, { "id": "wi-wood-county-water-laboratory", "fid": "772162820", "name": "Wood County Water Laboratory", "city": "Wisconsin Rapids", "county": "Wood", "state": "WI", "address": "111 W JACKSON ST, WISCONSIN RAPIDS WI 54495-2702", "phone": "715-421-8911", "lab_type": "Public Health Lab", "category": "public_health", "source_lists": [ "dnr_chemistry", "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": true, "arsenic_listed": false, "chemistry_parameter_bases": [ "Nitrate + Nitrite", "Nitrate" ], "chemistry_other_summary": "—", "notes": "Listed on WI DNR Accredited Laboratories — January 2026 drinking-water chemistry list (NR 809 and NR 812). Appearance is not a statement that the lab accepts private-well samples unless separately verified.", "source_url": "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "source_urls": [ "https://dnr.wisconsin.gov/sites/default/files/topic/LabCert/DWLabs012126.xlsx", "https://dnr.wisconsin.gov/topic/labCert/certified-lab-lists", "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Accredited Laboratories - January 2026 / Drinking water certified labs - chemistry - NR 809 and NR 812 (DWLabs012126.xlsx)", "source_retrieved": "2026-09-01", "source_document_date": "2026-01-21" }, { "id": "wi-bacti-ashland-county-health-human-services", "fid": "802016490", "name": "ASHLAND COUNTY HEALTH & HUMAN SERVICES", "city": "Ashland", "county": "unknown", "state": "WI", "address": "630 SANBORN AVE, ASHLAND WI 54806-3537", "phone": "715-682-7004", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-buffalo-county-department-of-health-and-human-services", "fid": "606031360", "name": "BUFFALO COUNTY DEPARTMENT OF HEALTH AND HUMAN SERVICES", "city": "Alma", "county": "unknown", "state": "WI", "address": "407 S 2ND ST, ALMA WI 54610", "phone": "608-685-4412", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-c-c-pumps-llc", "fid": null, "name": "C & C PUMPS LLC", "city": "Hartford", "county": "unknown", "state": "WI", "address": "1480 STATE ROAD 83, HARTFORD WI 53027", "phone": "262-224-5576", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-chippewa-county", "fid": "608111250", "name": "CHIPPEWA COUNTY", "city": "Chippewa Fls", "county": "unknown", "state": "WI", "address": "711 N BRIDGE ST, CHIPPEWA FLS WI 54729-1845", "phone": "715-726-7900", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-clark-county-health-department", "fid": "610077710", "name": "CLARK COUNTY HEALTH DEPARTMENT", "city": "Neillsville", "county": "unknown", "state": "WI", "address": "517 COURT ST RM 105, NEILLSVILLE WI 54456-1982", "phone": "715-743-5105", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-eagle-river-health-department-laboratory", "fid": "764007310", "name": "EAGLE RIVER HEALTH DEPARTMENT LABORATORY", "city": "Eagle River", "county": "unknown", "state": "WI", "address": "330 COURT ST, EAGLE RIVER WI 54521-8362", "phone": "715-479-3656", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-florence-county-health-department", "fid": "419007490", "name": "FLORENCE COUNTY HEALTH DEPARTMENT", "city": "Florence", "county": "unknown", "state": "WI", "address": "501 LAKE AVE, FLORENCE WI 54121-8805", "phone": "715-528-4837", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-fond-du-lac-county-health-department", "fid": "420039400", "name": "FOND DU LAC COUNTY HEALTH DEPARTMENT", "city": "Fond Du Lac", "county": "unknown", "state": "WI", "address": "160 S MACY ST, FOND DU LAC WI 54935", "phone": "920-929-3085", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-green-county-public-health-water-lab", "fid": null, "name": "GREEN COUNTY PUBLIC HEALTH WATER LAB", "city": "Monroe", "county": "unknown", "state": "WI", "address": "N3152 HWY 81, MONROE WI 53566", "phone": "608-328-9390", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-iowa-county", "fid": null, "name": "IOWA COUNTY", "city": "Dodgeville", "county": "unknown", "state": "WI", "address": "303 W CHAPEL ST STE 2200, DODGEVILLE WI 53533-1450", "phone": "608-930-9870", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-langlade-county", "fid": "734039570", "name": "LANGLADE COUNTY", "city": "Antigo", "county": "unknown", "state": "WI", "address": "1225 LANGLADE RD, ANTIGO WI 54409-2762", "phone": "715-627-6250", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-leuther-laboratories-llc", "fid": "663020710", "name": "LEUTHER LABORATORIES LLC", "city": "Coon Valley", "county": "unknown", "state": "WI", "address": "N1006 COUNTY ROAD M, COON VALLEY WI 54623-9519", "phone": "608-788-8180", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-marquette-county-health-department", "fid": "439022210", "name": "MARQUETTE COUNTY HEALTH DEPARTMENT", "city": "Montello", "county": "unknown", "state": "WI", "address": "428 UNDERWOOD AVE, MONTELLO WI 53949-9248", "phone": "608-297-3135", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-matrix-sciences-international-inc", "fid": "405200180", "name": "MATRIX SCIENCES INTERNATIONAL INC", "city": "Green Bay", "county": "unknown", "state": "WI", "address": "1110 S HURON RD, GREEN BAY WI 54311-8024", "phone": "920-336-7465", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-monroe-county-health-department", "fid": "642070770", "name": "MONROE COUNTY HEALTH DEPARTMENT", "city": "Sparta", "county": "unknown", "state": "WI", "address": "315 W OAK ST, SPARTA WI 54656-2150", "phone": "608-269-8666", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-oneida-county-health-department", "fid": "744084770", "name": "ONEIDA COUNTY HEALTH DEPARTMENT", "city": "Rhinelander", "county": "unknown", "state": "WI", "address": "100 W KEENAN ST, RHINELANDER WI 54501", "phone": "715-369-6111", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-outagamie-county-public-health-lab", "fid": null, "name": "OUTAGAMIE COUNTY PUBLIC HEALTH LAB", "city": "Appleton", "county": "unknown", "state": "WI", "address": "320 S WALNUT ST, APPLETON WI 54911", "phone": "920-832-5100", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-public-health-madison-dane-county", "fid": "113139620", "name": "PUBLIC HEALTH MADISON & DANE COUNTY", "city": "Madison", "county": "unknown", "state": "WI", "address": "210 MARTIN LUTHER KING JR BLVD, MADISON WI 53703", "phone": "608-243-0357", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-pure-water-labs-llc", "fid": "157128840", "name": "PURE WATER LABS, LLC", "city": "Reedsburg", "county": "unknown", "state": "WI", "address": "325 S PARK ST, REEDSBURG WI 53959-1906", "phone": "608-225-3621", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-racine-public-health-department", "fid": "252215920", "name": "RACINE PUBLIC HEALTH DEPARTMENT", "city": "Racine", "county": "unknown", "state": "WI", "address": "730 WASHINGTON AVE, RACINE WI 53403-1123", "phone": "262-636-9201", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-rusk-county-health-and-human-services", "fid": "855008220", "name": "RUSK COUNTY HEALTH AND HUMAN SERVICES", "city": "Ladysmith", "county": "unknown", "state": "WI", "address": "311 MINER AVE E, LADYSMITH WI 54848-2827", "phone": "715-532-2299", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-s-r-krizan-pump-service-incorporated", "fid": "252272790", "name": "S & R KRIZAN PUMP SERVICE INCORPORATED", "city": "Wind Lake", "county": "unknown", "state": "WI", "address": "7465 S LOOMIS RD, WIND LAKE WI 53185", "phone": "262-895-6454", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-sawyer-county-health-human-services", "fid": "858028380", "name": "SAWYER COUNTY HEALTH & HUMAN SERVICES", "city": "Hayward", "county": "unknown", "state": "WI", "address": "10610 MAIN ST, HAYWARD WI 54843-6586", "phone": "715-634-4806", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-university-of-wisconsin-oshkosh", "fid": "764113240", "name": "UNIVERSITY OF WISCONSIN - OSHKOSH", "city": "Land O Lakes", "county": "unknown", "state": "WI", "address": "5400 N BLACK OAK LAKE RD, LAND O LAKES WI 54901-3551", "phone": "920-424-3148", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "university", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-university-of-wisconsin-superior", "fid": "816003540", "name": "UNIVERSITY OF WISCONSIN - SUPERIOR", "city": "Superior", "county": "unknown", "state": "WI", "address": "816 N 17TH ST, SUPERIOR WI 54880", "phone": "715-394-8170", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "university", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-washington-ozaukee-public-health-department", "fid": null, "name": "WASHINGTON OZAUKEE PUBLIC HEALTH DEPARTMENT", "city": "Port Washington", "county": "unknown", "state": "WI", "address": "121 W MAIN ST, PORT WASHINGTON WI 53074-1813", "phone": "262-284-8170", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "health_department", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" }, { "id": "wi-bacti-water-quality-investigations", "fid": "113417590", "name": "WATER QUALITY INVESTIGATIONS", "city": "Mt Horeb", "county": "unknown", "state": "WI", "address": "2581 STATE HWY 92, MT HOREB WI 53572-2419", "phone": "888-499-2507", "lab_type": "DATCP coliform-certified (BactiLab)", "category": "commercial", "source_lists": [ "bactilab" ], "accepts_private_well_samples": "unknown", "sample_dropoff_or_mail": "unknown", "coliform_listed": true, "nitrate_listed": false, "arsenic_listed": false, "chemistry_parameter_bases": [], "chemistry_other_summary": "—", "notes": "Listed on WI DNR/DATCP BactiLab portal as certified for Coliform Bacteria analysis of drinking water samples (enzyme substrate method). Municipal water utilities and wastewater plants were omitted from this directory.", "source_url": "https://apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_urls": [ "https://apps.dnr.wi.gov/dwsportalpub/BactiLab" ], "source_document": "Drinking Water Bacti Labs (DATCP-certified coliform), apps.dnr.wi.gov/dwsportalpub/BactiLab", "source_retrieved": "2026-09-01", "source_document_date": "2026-09-01" } ], "bactilab_omitted_names": [ "A. O. SMITH WATER TREATMENT (NORTH AMERICA, INC.)", "APPLETON WATER TREATMENT FACILITY", "ASHLAND WASTEWATER TREATMENT PLANT", "BAILEYS HARBOR WASTEWATER TREATMENT FACILITY", "BELOIT WATER POLLUTION CONTROL FACILITY", "BRISTOL WASTEWATER TREATMENT PLANT", "BROOKFIELD WATER UTILITY", "CITY OF BURLINGTON UTILITIES", "CITY OF EAU CLAIRE", "CITY OF HUDSON", "CITY OF KENOSHA WATER UTILITY", "CITY OF MEDFORD WASTEWATER TREATMENT PLANT", "CITY OF ONALASKA", "CUDAHY WATER UTILITY", "DRUMMOND SANITARY DISTRICT # 1", "EAST TROY WASTEWATER TREATMENT", "EPHRAIM WASTEWATER PLANT", "FARM FIRST DAIRY COOPERATIVE", "GENOA CITY WATER UTILITY", "GRAFTON WATER UTILITY", "GREEN BAY WATER UTILITY LAB", "JANESVILLE WASTEWATER LAB", "KOHLER CO.", "KWIK TRIP INC *", "LAKE GENEVA UTILITY COMMISSION", "M M S D LAB SERVICES CENTRAL LAB", "MANITOWOC PUBLIC UTILITIES", "MARSHFIELD UTILITIES", "MENASHA ELECTRIC & WATER UTILITY", "MENOMONEE FALLS WATER UTILITY", "MENOMONIE WASTE WATER", "MILWAUKEE WATER WORKS", "MILWAUKEE WATER WORKS", "NEENAH WATER UTILITY", "NORTH SHORE WATER COMMISSION", "OAK CREEK WATER & SEWER UTILITY", "OSHKOSH WATER DEPT", "PORT WASHINGTON WATER DEPT", "RACINE WATER DEPARTMENT", "RIVER FALLS WASTEWATER TREATMENT PLANT", "ROCKFORD WATER DIVISION ENVIRONMENTAL LAB", "SHEBOYGAN WATER UTILITY", "SLINGER WATER UTILITY", "SOUTH MILWAUKEE WATER UTILITY", "STEVENS POINT WATER & SEWAGE", "SUPERIOR WATER LIGHT POWER CO", "TWO RIVERS WATER & LIGHT", "VILLAGE OF FREDONIA", "VILLAGE OF JACKSON", "VILLAGE OF KEWASKUM", "VILLAGE OF PLEASANT PRAIRIE", "VILLAGE OF PLOVER", "VILLAGE OF SISTER BAY", "VILLAGE OF UNION GROVE WWTP", "WAUKESHA WATER UTILITY", "WEST ALLIS WATER DEPT", "WISCONSIN DEPARTMENT OF AGRICULTURE, TRADE AND CONSUMER PROTECTION", "WISCONSIN RAPIDS WATER UTILITY" ] }