25,921 water systems tracked in Illinois, serving 0 people. Data from EPA UCMR5, screened against the 4 ppt federal MCL.
PFOA MCL: 2 ppt(EPA: 4 ppt)
PFOS MCL: 6 ppt(EPA: 4 ppt)
IL health-based guidance levels: PFOA 2 ppt, PFOS 6 ppt, PFBS 2100 ppt, PFHxS 140 ppt, PFNA 21 ppt, GenX 12 ppt. New 2026 PFAS regulations taking effect.
Illinois has health-based guidance levels for PFAS. Some among the strictest in the nation (PFOA 2 ppt). New 2026 regulations strengthen state PFAS framework. Contamination around military installations.
Serious SDWA violator: EATON PWD, Crawford, IL
PWS ID: IL0335100. County: Crawford
2026-07-13 · Read more →
Serious SDWA violator: EVONIK CORPORATION, Peoria, IL
PWS ID: IL3000455. County: Peoria
2026-07-13 · Read more →
Serious SDWA violator: BLM GW MHP, LLC, Bloomington, IL
PWS ID: IL1130210. County: McLean
2026-07-13 · Read more →
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly Illinois MCL, deadline, and funding alerts.
Firms with PFAS-related federal awards routed to Illinois (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | ILLINOIS ENVIRONMENTAL PROTECTION AGENCY | $117,038,548 | 6 |
| 2 | CURRENT INNOVATION NFP | $27,448,182 | 1 |
| 3 | UNIVERSITY OF ILLINOIS | $12,212,408 | 10 |
| 4 | ATI-CTI JV LLC | $4,336,031 | 1 |
| 5 | LEIDOS, INC. | $2,272,636 | 2 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|
PWS ID: IL1170300. County: Macoupin
2026-07-13 · Read more →
Serious SDWA violator: EVENING STAR CAMPING RESORT (150201), Mason, IL
PWS ID: IL3150201. County: Mason
2026-07-13 · Read more →
PFAS-credentialed labs, treatment designers, remediation firms, and compliance consultants with active Illinois coverage. Free directory, no lead-gen pricing.