22,500 water systems tracked in Pennsylvania, serving 0 people. Data from EPA UCMR5, screened against the 4 ppt federal MCL.
PFOA MCL: 14 ppt(EPA: 4 ppt)
PFOS MCL: 18 ppt(EPA: 4 ppt)
PA MCLs: PFOA 14 ppt, PFOS 18 ppt. Adopted 2023. Also set MCLs for PFBS (18 ppt) and PFHxS (18 ppt) and GenX (8 ppt).
Pennsylvania adopted some of the strictest state PFAS MCLs in 2023. GenX MCL of 8 ppt is notably strict. Significant contamination near military bases and industrial sites.
Aqua Pennsylvania Wins More Than $74 Million in PENNVEST Funding for PFAS Removal
Aqua Pennsylvania Wins More Than $74 Million in PENNVEST Funding for PFAS Removal Business Wire
2026-07-15 · Read more →
Serious SDWA violator: DONEGAL TOWNSHIP, Washington, PA
PWS ID: PA5630068. County: Washington
2026-07-13 · Read more →
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly Pennsylvania MCL, deadline, and funding alerts.
Firms with PFAS-related federal awards routed to Pennsylvania (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | PENNVEST | $163,437,000 | 4 |
| 2 | EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC | $8,819,484 | 1 |
| 3 | RESOLUTION CONSULTANTS - AN AECOM-ENSAFE JOINT VENTURE | $6,464,616 | 7 |
| 4 | TETRA TECH, INC. | $5,554,059 | 2 |
| 5 | THE PENNSYLVANIA STATE UNIVERSITY | $5,219,846 | 6 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|
PWS ID: PA4070023. County: Blair
2026-07-13 · Read more →
Serious SDWA violator: BUCKINGHAM VLY REHAB & NURSING, Bucks, PA
PWS ID: PA1090002. County: Bucks
2026-07-13 · Read more →
Serious SDWA violator: CAMP MOUNTAIN RUN BSA, Clearfield, PA
PWS ID: PA6170817. County: Clearfield
2026-07-13 · Read more →
PFAS-credentialed labs, treatment designers, remediation firms, and compliance consultants with active Pennsylvania coverage. Free directory, no lead-gen pricing.