Public Water Systems
7,701 active water systems in PA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| MT UNION MUNICIPAL AUTH | MOUNT UNION, PA | 5,801 | 1,512 | Clean |
| HELLERTOWN BOROUGH AUTHORITY | HELLERTOWN, PA | 5,800 | 473 | Clean |
| BEAVER BORO MUNI AUTH | BEAVER, PA | 5,799 | 617 | Detected |
| HILLTOWN TWP WATER&SEWER AUTH | SELLERSVILLE, PA | 5,770 | 1,138 | Detected |
| PA AMERICAN WATER CO KANE | NEW CASTLE, PA | 5,725 | 2 | Detected |
| LOWER SAUCON AUTHORITY | BETHLEHEM, PA | 5,700 | 47 | Clean |
| MAHANOY TWP AUTH | MAHANOY CITY, PA | 5,584 | 129 | Clean |
| SELINSGROVE MUNI AUTH | SELINSGROVE, PA | 5,584 | 364 | Detected |
| PA AM WATER CO-FRACKVILLE DIST | MILTON, PA | 5,583 | 8 | Detected |
| DUQUESNE WATER DEPT | DUQUESNE, PA | 5,565 | 136 | Clean |
| AQUA PA WATER CO HONESDALE | WHITE HAVEN, PA | 5,500 | 617 | Detected |
| GREENCASTLE AREA WATER AUTH | GREENCASTLE, PA | 5,500 | 263 | Clean |
| NEW HOLLAND BOROUGH | NEW HOLLAND, PA | 5,500 | 221 | Detected |
| BIRDSBORO MUNI WATER AUTH | BIRDSBORO, PA | 5,353 | 299 | Clean |
| TUNKHANNOCK BORO MUNIC AUTH | TUNKHANNOCK, PA | 5,349 | 149 | Detected |
| OXFORD BOROUGH | OXFORD, PA | 5,280 | 349 | Detected |
| STEWARTSTOWN BORO WATER AUTH | STEWARTSTOWN, PA | 5,206 | 575 | Detected |
| SCHWENKSVILLE BOROUGH AUTH | SCHWENKSVILLE, PA | 5,200 | 158 | Detected |
| ROCKVIEW SCI | BELLEFONTE, PA | 5,200 | 584 | Detected |
| MUN AUTH OF BORO OF BEDFORD | BEDFORD, PA | 5,127 | 219 | Clean |
| AQUA PA FLYING HILLS WA SYS | BRYN MAWR, PA | 5,100 | 138 | Detected |
| SHARPSVILLE BORO WATER CO | SHARPSVILLE, PA | 5,029 | 412 | Detected |
| TOWANDA MUNICIPAL AUTHORITY | TOWANDA, PA | 5,000 | 663 | Clean |
| DANVILLE MUNICIPAL WATER AUTH | DANVILLE, PA | 4,992 | 282 | Detected |
| HAMBURG MUNI WATER&SEWER AUTH | HAMBURG, PA | 4,990 | 295 | Clean |
| MONTOURSVILLE WATER COMPANY | MONTOURSVILLE, PA | 4,983 | 141 | Detected |
| TARENTUM BORO WATER DEPT | TARENTUM, PA | 4,927 | 152 | Clean |
| CENTRAL INDIANA CO WATER AUTH | HOMER CITY, PA | 4,920 | 101 | Clean |
| UPMC MAGEE WOMENS HOSPITAL | PITTSBURGH, PA | 4,900 | 37 | Detected |
| LONDON GROVE TWP MUN AUTH | WEST GROVE, PA | 4,770 | 117 | Detected |
| BUCKINGHAM TWP COLD SPRING | BUCKINGHAM, PA | 4,760 | 54 | Detected |
| UPMC SHADYSIDE HILLMAN CAMPUS | PITTSBURGH, PA | 4,750 | 52 | Clean |
| SHREWSBURY BOROUGH | SHREWSBURY, PA | 4,727 | 754 | Detected |
| RIDGWAY BOROUGH WATER SYSTEM | RIDGWAY, PA | 4,700 | 98 | Clean |
| FAWN FRAZER JT WATER AUTH | NATRONA HEIGHTS, PA | 4,650 | 72 | Detected |
| PA AMERICAN WATER KITTANNING | NEW CASTLE, PA | 4,617 | 9 | Clean |
| FREELAND BORO MUNI WATER AUTH | FREELAND, PA | 4,610 | 324 | Detected |
| NORTH EAST BOROUGH WATER DEPT | NORTH EAST, PA | 4,601 | 407 | Clean |
| UPPER HANOVER WATER AUTHORITY | EAST GREENVILLE, PA | 4,600 | 1,170 | Detected |
| MILLERSBURG WATER AUTH | MILLERSBURG, PA | 4,600 | 221 | Detected |
| NORTH SEWICKLEY MUN WATER AUTH | BEAVER FALLS, PA | 4,578 | 112 | Detected |
| BEAR CREEK MOUNTAIN RESORT | MACUNGIE, PA | 4,500 | 81 | — |
| NORTHERN CAMBRIA MUNI WATER | NORTHERN CAMBRIA, PA | 4,500 | 370 | Detected |
| UPMC MONTEFIORE | PITTSBURGH, PA | 4,500 | 36 | Clean |
| PIKE TWP MUNICIPAL AUTHORITY | CURWENSVILLE, PA | 4,500 | 551 | Clean |
| FAIRVIEW TWP WATER DISTRICT 1 | FAIRVIEW, PA | 4,500 | 90 | Clean |
| NEW WILMINGTON BORO WATER DEPT | NEW WILMINGTON, PA | 4,500 | 20 | Clean |
| SENECA & CRANBERRY MALL DIST | SENECA, PA | 4,500 | 106 | Detected |
| MILFORD TWP WATER AUTHORITY | SPINNERSTOWN, PA | 4,497 | 161 | Detected |
| NEW FREEDOM BORO WATER AUTH | NEW FREEDOM, PA | 4,464 | 143 | Detected |