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 |
|---|---|---|---|---|
| Upper Leacock Township | Leola, PA | 7,734 | 192 | Detected |
| Telford Borough Authority | Telford, PA | 7,700 | 224 | Detected |
| Wernersville Muni Water Auth | Wernersville, PA | 7,654 | 113 | Detected |
| Veolia Water PA Dallas | Harrisburg, PA | 7,563 | 267 | Detected |
| Maidencreek Twp Water Auth | Blandon, PA | 7,505 | 351 | Detected |
| Upper Saucon Twp Water Supply | Center Valley, PA | 7,300 | 620 | Detected |
| Littlestown Boro | Littlestown, PA | 7,300 | 464 | Detected |
| Minersville Municipal Water Au | Minersville, PA | 7,275 | 395 | Clean |
| Blythe Twp Municipal Authority | New Philadelphia, PA | 7,100 | 104 | Clean |
| Womelsdorf Robesonia Jt Auth | Newmanstown, PA | 7,070 | 600 | Clean |
| Pawc Saw Creek Estates | Bushkill, PA | 7,016 | 151 | Clean |
| Mt Airy Casino & Resort | Mount Pocono, PA | 7,000 | 557 | Clean |
| Palmerton Municipal Authority | Palmerton, PA | 7,000 | 205 | Detected |
| Indian Creek Valley Water Auth | Indian Head, PA | 7,000 | 2,322 | Clean |
| Richland Twp Water Authority | Quakertown, PA | 6,800 | 555 | Detected |
| Sewickley Boro Water Auth | Sewickley, PA | 6,800 | 214 | Detected |
| Neville Twp Water Dept | Pittsburgh, PA | 6,750 | 34 | Clean |
| Manor Twp Jt Muni Auth | Ford City, PA | 6,744 | 159 | Clean |
| East Cocalico Township | Denver, PA | 6,735 | 750 | Detected |
| VA Pittsburgh Ud | Pittsburgh, PA | 6,701 | 10 | Clean |
| Manheim Area Water & Sewer Aut | Manheim, PA | 6,701 | 194 | Detected |
| Kline Township Mun Authority | McAdoo, PA | 6,700 | 242 | Clean |
| Harmony Boro Water Auth | Harmony, PA | 6,669 | 422 | Detected |
| Jersey Shore Area Jnt Wat Auth | Jersey Shore, PA | 6,600 | 657 | Clean |
| Catasauqua Mun Water Works | Catasauqua, PA | 6,598 | 121 | Detected |
| Aqua PA Fawn Lake Forest | Honesdale, PA | 6,533 | 181 | Detected |
| Tyrone Boro Water Auth | Tyrone, PA | 6,500 | 116 | Clean |
| Portage Boro Muni Auth | Portage, PA | 6,500 | 890 | Clean |
| Monaca Boro Water Dept | Monaca, PA | 6,500 | 392 | Detected |
| Derry Boro Muni Auth | Derry, PA | 6,500 | 330 | Detected |
| Outlet Shops at Gettysburg | Gettysburg, PA | 6,500 | 254 | Detected |
| Veolia Newberry System | Harrisburg, PA | 6,480 | 3 | Detected |
| Geisinger Medical Center | Danville, PA | 6,442 | 473 | Clean |
| PA American Water Steelton | Hummelstown, PA | 6,428 | 226 | Clean |
| Kennett Square Mun Water Works | Kennett Square, PA | 6,328 | 653 | Detected |
| Somerset Boro Muni Water Auth | Somerset, PA | 6,309 | 500 | Clean |
| Brookville Municipal Auth | Brookville, PA | 6,220 | 332 | Detected |
| East Petersburg Borough | East Petersburg, PA | 6,215 | 107 | Detected |
| East Penn Mfg Co | Lyon Station, PA | 6,170 | 350 | Clean |
| Titusville Municipal Water | Titusville, PA | 6,146 | 138 | Detected |
| Washington Twp Muni Auth | Waynesboro, PA | 6,134 | 669 | Clean |
| Schuylkill Haven Boro Water | Schuylkill Haven, PA | 6,000 | 110 | Clean |
| College Twp Water Authority | State College, PA | 6,000 | 652 | Detected |
| Belle Vernon Boro Muni Auth | Belle Vernon, PA | 6,000 | 519 | Clean |
| Penn National Gaming | Grantville, PA | 6,000 | 102 | Clean |
| Aqua PA Chalfont | Bryn Mawr, PA | 5,900 | 116 | Detected |
| Buffalo Twp Mun Auth Freeport | Sarver, PA | 5,849 | 425 | Clean |
| North East Township Water | North East, PA | 5,848 | 314 | - |
| Albion Borough | Albion, PA | 5,842 | 214 | Clean |
| Coraopolis Water & Sewer Auth | Coraopolis, PA | 5,804 | 97 | Detected |