0 water systems tracked in Wisconsin, serving 0 people. Data from EPA UCMR5, screened against the 4 ppt federal MCL.
PFOA MCL: 20 ppt(EPA: 4 ppt)
PFOS MCL: 20 ppt(EPA: 4 ppt)
WI recommended groundwater standards: PFOA 20 ppt, PFOS 20 ppt. Proposed combined PFOA+PFOS standard of 70 ppt.
Wisconsin has proposed PFAS groundwater standards. Extensive contamination around Marinette (Tyco/Johnson Controls) and military installations.
DNR rolls out grants for PFAS testing as board advances groundwater regulations
Reported by wuwm.com. DNR rolls out grants for PFAS testing as board advances groundwater regulations WUWM
2026-10-29 · Read more →
DNR groundwater standards for PFAS advance in Wisconsin
Reported by ironmountaindailynews.com. DNR groundwater standards for PFAS advance in Wisconsin Iron Mountain Daily News
2026-10-29 · Read more →
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly Wisconsin MCL, deadline, and funding alerts.
Checked against the agency's page on Nov 1, 2026. Confirm dates there before planning around them.
If your system needs a lab, an engineer, a treatment firm or a funding contact, tell us what the project needs. We'll point you to who may fit.
Firms with PFAS-related federal awards routed to Wisconsin (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | WISCONSIN DEPARTMENT OF NATURAL RESOURCES | $72,047,567 | 10 |
| 2 | UNIVERSITY OF WISCONSIN SYSTEM | $8,595,359 | 11 |
| 3 | ORIN TECHNOLOGIES, LLC. | $3,958,040 | 1 |
| 4 | VILLAGE OF FRENCH ISLAND | $3,666,000 | 2 |
| 5 | VILLAGE OF RIB MOUNTAIN | $1,667,000 | 1 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|
Reported by northernnewsnow.com. Wisconsin DNR announces new grant programs for PFAS testing Northern News Now
2026-10-27 · Read more →
New Wisconsin Grants Help Pay for PFAS Testing of Private Wells and Wastewater
Reported by eponline.com. New Wisconsin Grants Help Pay for PFAS Testing of Private Wells and Wastewater EP Magazine
2026-10-26 · Read more →
Wisconsin launches grant programs to address PFAS contamination
Reported by wpr.org. Wisconsin launches grant programs to address PFAS contamination WPR
2026-10-23 · Read more →
PFAS-credentialed labs, treatment designers, remediation firms, and compliance consultants with active Wisconsin coverage. Free directory, no lead-gen pricing.