Public Water Systems
7,701 active public water systems in PA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Hatfield Quality Meats Inc | Hatfield, PA | 1,850 | 48 | - |
| Cornplanter Township | Oil City, PA | 1,835 | 34 | - |
| Sandy Township | Dubois, PA | 1,828 | 54 | - |
| Patton Boro Water Dept | Patton, PA | 1,805 | 432 | - |
| Twp of Upper Makefield | Newtown, PA | 1,800 | 330 | - |
| Aqua PA Water Co Hawley | White Haven, PA | 1,800 | 112 | - |
| Bern Twp Muni Auth | Reading, PA | 1,800 | 30 | - |
| Williamsburg Munic Auth | Williamsburg, PA | 1,800 | 260 | - |
| Beech Creek Borough Authority | Beech Creek, PA | 1,800 | 66 | - |
| Weis Markets East Berlin | East Berlin, PA | 1,800 | 87 | - |
| Grove Worldwide US LLC | Shady Grove, PA | 1,800 | 277 | - |
| Adamstown Borough | Adamstown, PA | 1,800 | 192 | - |
| Camp Kresge on Beaver Lake | White Haven, PA | 1,785 | 100 | - |
| Wysox Twp Municipal Authority | Towanda, PA | 1,763 | 38 | - |
| Ridgway Twp Water Auth | Ridgway, PA | 1,763 | 249 | - |
| Pawc Blue Mt Lake | Bushkill, PA | 1,753 | 31 | - |
| Ojrsd Owen J Roberts MS and Hs | Pottstown, PA | 1,750 | 196 | - |
| East Berlin Area Joint Auth | East Berlin, PA | 1,750 | 348 | - |
| Wawa Store 158 | Media, PA | 1,750 | 7 | - |
| North Warren Muni Authority | Warren, PA | 1,749 | 83 | - |
| Reade Twp Muni Auth | Glasgow, PA | 1,746 | 179 | - |
| Cbsd Central Bucks East Hs | Doylestown, PA | 1,725 | 83 | - |
| Waterside Loysburg Water Suppl | Loysburg, PA | 1,724 | 236 | - |
| Braddock Boro Water Auth | Braddock, PA | 1,708 | 65 | - |
| Mont Alto Municipal Authority | Mont Alto, PA | 1,705 | 680 | - |
| Plumstead Twp Patriots Ridge | Pipersville, PA | 1,704 | 21 | - |
| Camp Morasha | Lakewood, PA | 1,700 | 63 | - |
| Cresson Boro Water Sys | Cresson, PA | 1,700 | 65 | - |
| Shamokin Dam Borough | Shamokin Dam, PA | 1,700 | 420 | - |
| Clymer Boro Muni Auth | Clymer, PA | 1,700 | 181 | - |
| Covington Karthaus Girard a A | Frenchville, PA | 1,700 | 111 | - |
| Waterford Municipal Authority | Waterford, PA | 1,700 | 429 | Clean |
| US Army Garrison | Carlisle, PA | 1,700 | 124 | - |
| Richland Boro Water Supply | Richland, PA | 1,700 | 59 | - |
| Gilpin Twp Muni Auth | Leechburg, PA | 1,680 | 64 | - |
| Saxton Muni Water Auth | Saxton, PA | 1,675 | 526 | - |
| Constellation Nuclear Pwr Plnt | Pottstown, PA | 1,650 | 123 | - |
| Blossburg Municipal Authority | Blossburg, PA | 1,650 | 244 | - |
| Blacklick Valley Muni Auth | Twin Rocks, PA | 1,650 | 174 | - |
| Southern Columbia Area School | Catawissa, PA | 1,650 | 180 | - |
| PA Amer Water Co Lake Heritage | Mechanicsburg, PA | 1,648 | 37 | - |
| Catawissa Municipal Water Auth | Catawissa, PA | 1,644 | 96 | - |
| Elverson Water Company | Elverson, PA | 1,641 | 322 | - |
| Pvsd High School | Brodheadsville, PA | 1,640 | 115 | - |
| Leacock Twp Mun Auth | Intercourse, PA | 1,640 | 24 | - |
| Marsh Creek State Park | Downingtown, PA | 1,630 | 108 | - |
| Jennerstown Muni Auth | Jennerstown, PA | 1,625 | 1,046 | - |
| Aqua PA Honeybrook | Bryn Mawr, PA | 1,600 | 39 | - |
| Middleburg Municipal Authority | Middleburg, PA | 1,600 | 389 | - |
| Township of Springdale | Harwick, PA | 1,600 | 88 | - |