Public Water Systems
7,701 active water systems in PA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| PAW CRYSTAL LAKE | SCRANTON, PA | 9,773 | 3 | Detected |
| SUBURBAN LOCK HAVEN WATER AUTH | MILL HALL, PA | 9,700 | 471 | Clean |
| ICMSA CROOKED CREEK | INDIANA, PA | 9,638 | 270 | Clean |
| OIL CITY | OIL CITY, PA | 9,608 | 83 | Clean |
| VEOLIA MIDDLETOWN | MIDDLETOWN, PA | 9,600 | 341 | Detected |
| AQUA SHENANDOAH | SHAMOKIN, PA | 9,500 | 113 | Detected |
| BELLEFONTE BOROUGH WATER AUTH | BELLEFONTE, PA | 9,500 | 1,031 | Clean |
| MYERSTOWN WATER AUTH | MYERSTOWN, PA | 9,500 | 234 | Clean |
| WINDBER AREA AUTH | WINDBER, PA | 9,463 | 141 | Detected |
| LITITZ BORO | LITITZ, PA | 9,397 | 73 | Detected |
| LANSFORD COALDALE JT WATER AUT | LANSFORD, PA | 9,300 | 68 | Clean |
| MUNI AUTH OF WASHINGTON TWP | BELLE VERNON, PA | 9,100 | 179 | Clean |
| PAW BANGOR DISTRICT | CLARKS SUMMIT, PA | 9,008 | 10 | Clean |
| LEHIGHTON WATER AUTHORITY | LEHIGHTON, PA | 9,000 | 214 | Clean |
| AQUA PA FRIENDSHIP | BRYN MAWR, PA | 8,800 | 216 | Detected |
| PA AMERICAN WATER PUNXSY | NEW CASTLE, PA | 8,800 | 5 | Detected |
| DOYLESTOWN BORO WATER DEPT | DOYLESTOWN, PA | 8,700 | 210 | Detected |
| MUNICIPAL WATER AUTH ADAMS TWP | MARS, PA | 8,700 | 115 | Clean |
| DTMA MAIN SYSTEM | DOYLESTOWN, PA | 8,655 | 203 | Detected |
| GREENVILLE MUNI WATER AUTH | GREENVILLE, PA | 8,600 | 438 | Clean |
| GENERAL AUTHORITY OF FRANKLIN | FRANKLIN, PA | 8,600 | 61 | Detected |
| WARWICK TWP LITITZ SYS | LITITZ, PA | 8,561 | 130 | Detected |
| MERCK AND CO INC | WEST POINT, PA | 8,550 | 70 | Detected |
| HOLLIDAYSBURG MUNI AUTH | HOLLIDAYSBURG, PA | 8,523 | 61 | Clean |
| SALISBURY TWP WATER SYSTEM | ALLENTOWN, PA | 8,522 | 13 | Detected |
| DILLSBURG AREA AUTHORITY | DILLSBURG, PA | 8,506 | 194 | Detected |
| WYOMISSING BORO WATER SYSTEM | WYOMISSING, PA | 8,500 | 32 | Detected |
| EBENSBURG BORO MUNI AUTH | EBENSBURG, PA | 8,500 | 789 | Clean |
| COLLEGEVILLE TRAPPE JOINT PWD | TRAPPE, PA | 8,470 | 434 | Detected |
| N MIDDLETON WATER AUTH | CARLISLE, PA | 8,455 | 153 | Detected |
| LV HOSPITAL CEDAR CREST | ALLENTOWN, PA | 8,425 | 5 | — |
| HOUTZDALE MUNICIPAL AUTHORITY | HOUTZDALE, PA | 8,410 | 91 | Clean |
| HEMLOCK FARMS (MAIN) | LORDS VALLEY, PA | 8,321 | 275 | Detected |
| WELLSBORO MUNICIPAL AUTHORITY | WELLSBORO, PA | 8,225 | 688 | Detected |
| PA AMERICAN AUDUBON | NORRISTOWN, PA | 8,200 | 5,456 | Detected |
| UPMC PRESBYTERIAN | PITTSBURGH, PA | 8,200 | 47 | Clean |
| AQUA PA SPRING RUN | BRYN MAWR, PA | 8,151 | 395 | Detected |
| BOYERTOWN MUNI AUTH | BOYERTOWN, PA | 8,000 | 251 | Clean |
| TAMAQUA AREA WATER AUTHORITY | TAMAQUA, PA | 8,000 | 168 | Clean |
| KITTANNING SUBURB JT WATER AUT | ADRIAN, PA | 8,000 | 291 | Clean |
| MILLERSVILLE UNIV | MILLERSVILLE, PA | 7,950 | 669 | Detected |
| BRIGHTON TWP MUNI AUTH | BEAVER, PA | 7,920 | 53 | Detected |
| GROVE CITY BORO WATER DEPT | GROVE CITY, PA | 7,871 | 143 | Detected |
| PA-AMERICAN WATER-BROWNSVILLE | MCMURRY, PA | 7,844 | 53 | Detected |
| VEOLIA WATER BETHEL | HARRISBURG, PA | 7,809 | 54 | Detected |
| CONEMAUGH TWP MUNI AUTH | DAVIDSVILLE, PA | 7,800 | 567 | Detected |
| MUNICIPAL AUTHORITY OF CORRY | CORRY, PA | 7,800 | 383 | Clean |
| EDINBORO WATER AUTHORITY | EDINBORO, PA | 7,800 | 428 | Clean |
| CITY OF DUBOIS WATER DEPART | DUBOIS, PA | 7,794 | 185 | Clean |
| EDGEWORTH BORO MUNI AUTH | LEETSDALE, PA | 7,781 | 23 | Clean |