Pennsylvania utilities 301 to 367.
Each serves 37 to 4,200 people, as it reports to EPA. Your ZIP code finds yours faster.
301 to 367 of 367, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Ashland Area Water Authority | Ashland | 4,200 | PFOS, PFHxS | 0 |
| PA American Dilliner System | Dilliner | 4,200 | None found | 11 |
| Aqua PA Inc Treasure Lake Div | Sharon | 4,155 | None found | 0 |
| Buckingham Twp Furlong | Buckingham | 4,150 | Not sampled | 0 |
| Zelienople Boro | Zelienople | 4,123 | PFOA, PFBS | 1 |
| Mansfield Borough Mun Auth | Mansfield | 4,100 | None found | 3 |
| Wrightsville Boro Muni Auth | Wrightsville | 4,076 | None found | 1 |
| East Donegal | Columbia | 4,048 | PFBS | 0 |
| Blairsville Muni Auth | Blairsville | 4,023 | None found | 4 |
| New Oxford Munci Auth | New Oxford | 3,963 | PFOA, PFOS, PFBS | 0 |
| Baden Boro Water Dept | Baden | 3,948 | None found | 0 |
| Hegins Hubley Authority | Valley View | 3,870 | None found | 1 |
| Denver Boro | Denver | 3,861 | PFBS | 1 |
| Mountain Water Assn | Fairchance | 3,856 | None found | 2 |
| Masontown Muni Water Works | Masontown | 3,841 | None found | 5 |
| Petroleum Valley RWA | Petrolia | 3,800 | Not sampled | 0 |
| Somerset Twp Muni Auth Oakridg | Somerset | 3,800 | None found | 1 |
| Tobyhanna Army Depot | Tobyhanna | 3,800 | None found | 0 |
| Roamingwood Sewer and Water | Lake Ariel | 3,775 | None found | 2 |
| Masonic Homes | Elizabethtown | 3,707 | PFOA, PFBS | 0 |
| Brackenridge Boro Water Dept | Brackenridge | 3,700 | None found | 2 |
| Cooper Twp Municipal Auth | Morrisdale | 3,700 | None found | 1 |
| Mifflinburg Boro Water Dept | Mifflinburg | 3,690 | None found | 0 |
| Pleasant Valley Water Auth | Connellsville | 3,630 | None found | 6 |
| Aqua PA Perkiomen Township | Bryn Mawr | 3,600 | PFOA, PFOS, PFBS | 0 |
| Middlesex Twp Muni Auth | Carlisle | 3,527 | None found | 0 |
| State Correctional Inst | Camp Hill | 3,500 | PFOS, PFBS | 0 |
| Veolia Water PA Shavertown | Harrisburg | 3,472 | Not sampled | 0 |
| Mountaintop Reg Water Auth | Snow Shoe | 3,456 | Not sampled | 2 |
| Springdale Boro Water Dept | Springdale | 3,405 | PFBS | 0 |
| Borough of Cornwall | Lebanon | 3,343 | Not sampled | 0 |
| Fairview Twp Water Auth Dist 3 | Fairview | 3,320 | None found | 1 |
| Girard Boro Water Dept | Girard | 3,301 | None found | 0 |
| Emporium Water Company | Emporium | 3,300 | None found | 2 |
| Spring Twp Water Authority | Bellefonte | 3,300 | PFHxS | 0 |
| Reserve Twp Water Dept | Pittsburgh | 3,204 | None found | 0 |
| Glendale Valley Municipal Auth | Flinton | 3,200 | None found | 3 |
| Coudersport Boro Authority | Coudersport | 3,166 | None found | 1 |
| Nanty Glo Water Auth | Nanty Glo | 3,152 | None found | 8 |
| Seven Springs Muni Auth | Champion | 3,000 | None found | 0 |
| Lca North Whitehall Division | Allentown | 2,910 | PFBS | 0 |
| State Corr Inst Benner Twp | Bellefonte | 2,850 | PFOS | 0 |
| Plumstead Northern System | Pipersville | 2,605 | PFOA, PFOS, PFBS | 0 |
| Hastings Muni Auth | Hastings | 2,100 | None found | 0 |
| Newville Boro Water Auth | Newville | 2,070 | None found | 1 |
| Centre Hall Boro Water Dept | Centre Hall | 1,900 | None found | 1 |
| E Armstrong Cnty Muni Auth | Elderton | 1,875 | None found | 1 |
| Waterford Municipal Authority | Waterford | 1,700 | None found | 6 |
| Aqua PA Lake Latonka WTP | Sharon | 1,600 | None found | 3 |
| Ellsworth Boro Water Dept | Ellsworth | 1,250 | None found | 7 |
| Rockwood Boro Muni Auth | Rockwood | 1,250 | None found | 0 |
| Croyle Twp Water Auth | Summerhill | 989 | None found | 1 |
| Millville Municipal Authority | Millville | 969 | None found | 2 |
| Buck Hill Falls Water Co | Buck Hill Falls | 876 | None found | 1 |
| Conneaut Lake Borough WTP | Conneaut Lake | 870 | None found | 0 |
| Fishertown Water Assn | Fishertown | 801 | None found | 2 |
| Hickory Hills Mhc | Bath | 800 | None found | 1 |
| Washington Twp Water System | Edinboro | 797 | None found | 0 |
| Penns Creek Municipal Auth | Penns Creek | 725 | None found | 0 |
| Eei Meadows Complex | Dallas | 628 | PFOS, PFBS | 0 |
| Meshoppen Borough Water Co | Meshoppen | 563 | None found | 2 |
| Lutheran Home at Topton | Topton | 410 | None found | 2 |
| Foxcroft Manor Mobile Home Pk | Williamsport | 200 | None found | 3 |
| Skyview Gardens Heights Apts | Olyphant | 186 | None found | 7 |
| Evitts Creek Water Co | Bedford | 100 | None found | 1 |
| Lakeview Mobilehome Park | Valencia | 44 | None found | 0 |
| Maple Manor MHP | Slippery Rock | 37 | None found | 0 |
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.
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