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 |
|---|---|---|---|---|
| Mountaintop Reg Water Auth | Snow Shoe, PA | 3,456 | 177 | - |
| Springdale Boro Water Dept | Springdale, PA | 3,405 | 249 | Detected |
| Borough of Cornwall | Lebanon, PA | 3,343 | 46 | - |
| Fairview Twp Water Auth Dist 3 | Fairview, PA | 3,320 | 158 | Clean |
| Girard Boro Water Dept | Girard, PA | 3,301 | 1,016 | Clean |
| Spring Twp Water Authority | Bellefonte, PA | 3,300 | 226 | Detected |
| Emporium Water Company | Emporium, PA | 3,300 | 708 | Clean |
| Ligonier Twp Muni Auth | Ligonier, PA | 3,293 | 538 | - |
| Mt Holly Springs Boro Auth | Mt Holly Springs, PA | 3,261 | 138 | - |
| Walker Twp Water Assoc | Mingoville, PA | 3,250 | 393 | - |
| Conyngham Sugarloaf Joint MA | Conyngham, PA | 3,230 | 1,576 | - |
| Lake Meade Muni Auth | East Berlin, PA | 3,221 | 84 | - |
| Lykens Boro Auth | Lykens, PA | 3,220 | 632 | - |
| Reserve Twp Water Dept | Pittsburgh, PA | 3,204 | 48 | Clean |
| Pawc Manwalamink | Bushkill, PA | 3,200 | 81 | - |
| Aqua PA Water Co Sci Waymart | White Haven, PA | 3,200 | 90 | - |
| Procter&gamble Paper Products | Mehoopany, PA | 3,200 | 29 | - |
| Glendale Valley Municipal Auth | Flinton, PA | 3,200 | 272 | Clean |
| Harmar Twp Muni Auth | Cheswick, PA | 3,200 | 368 | - |
| Newport Boro Water Auth | Newport, PA | 3,200 | 2,935 | - |
| PA Amer Water Co Forest City | Wilkes Barre, PA | 3,188 | 5 | - |
| Roaring Spring Muni Water Auth | Roaring Spring, PA | 3,182 | 89 | - |
| Esasd North Campus | East Stroudsburg, PA | 3,175 | 54 | - |
| Coudersport Boro Authority | Coudersport, PA | 3,166 | 1,207 | Clean |
| Bellwood Boro Auth | Bellwood, PA | 3,162 | 103 | - |
| Martinsburg Muni Auth | Martinsburg, PA | 3,160 | 59 | - |
| Nanty Glo Water Auth | Nanty Glo, PA | 3,152 | 466 | Detected |
| East Taylor Muni Auth | Johnstown, PA | 3,152 | 332 | - |
| Aspinwall Boro Water Dept | Pittsburgh, PA | 3,151 | 47 | - |
| Tower City Authority | Tower City, PA | 3,150 | 465 | - |
| Redbank Valley Mun Auth | New Bethlehem, PA | 3,150 | 374 | - |
| Quarryville Boro | Quarryville, PA | 3,150 | 137 | - |
| Gallitzin Boro Water Auth | Gallitzin, PA | 3,130 | 279 | - |
| VA Healthcare System Heinz | Pittsburgh, PA | 3,112 | 11 | - |
| Octorara Area School District | Atglen, PA | 3,100 | 205 | - |
| E Greenville Boro Water Dept | East Greenville, PA | 3,100 | 69 | - |
| Eaton Sewer & Water Co | Nicholson, PA | 3,100 | 531 | - |
| Midland Boro Muni Auth | Midland, PA | 3,100 | 896 | - |
| Seven Fields Boro Water Dept | Seven Fields, PA | 3,100 | 90 | - |
| Mawc Furnace Run | Greensburg, PA | 3,100 | 229 | - |
| Strasburg Muni Water Auth | Strasburg, PA | 3,100 | 980 | - |
| Fort Indiantown Gap | Annville, PA | 3,100 | 34 | - |
| Pine Twp Water Distr System | Grove City, PA | 3,082 | 60 | - |
| Bedminster Mun Auth | Perkasie, PA | 3,042 | 235 | - |
| Macungie Borough Authority | Macungie, PA | 3,039 | 17 | - |
| Bcwsa New Hope | Warrington, PA | 3,017 | 995 | - |
| Mansfield University | Mansfield, PA | 3,000 | 728 | - |
| Walnutport Authority | Walnutport, PA | 3,000 | 672 | - |
| Orwigsburg Municipal Water Wks | Orwigsburg, PA | 3,000 | 57 | - |
| Pawc Appalachian Dist | Milton, PA | 3,000 | 266 | - |