Browse Water Systems
22,505 public water systems in PA.
Public Water Systems Database
Browse 22,505 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| PHILADELPHIA WATER DEPARTMENT | PA1510004 | Pennsylvania | Community | 1,950,098 |
| PHILADELPHIA WATER DEPARTMENT | PA1510001 | Pennsylvania | Community | 1,600,000 |
| PHILADELPHIA SUBURBAN WATER CO | PA1460021 | Pennsylvania | Community | 900,000 |
| AQUA PA MAIN SYSTEM | PA1460073 | Pennsylvania | Community | 822,600 |
| PHILA SUB WATER CO | PA1090076 | Pennsylvania | Community | 759,135 |
| PA AMER WATER CO-PITTSBURGH | PA5020039 | Pennsylvania | Community | 686,000 |
| CONSOLIDATED COCA-COLA-BOT CO | PA4110804 | Pennsylvania | Transient Non-Community | 670,000 |
| QUEEN LANE WATER PLANT | PA1510003 | Pennsylvania | Community | 535,000 |
| PITTSBURGH WATER & SEWER AUTH | PA5020038 | Pennsylvania | Community | 520,000 |
| PA GAS AND WATER CO-CENTRAL DI | PA2400069 | Pennsylvania | Community | 453,000 |
| KETTLE CREEK STATE PARK | PA4180004 | Pennsylvania | Transient Non-Community | 400,000 |
| BELMONT WATER TREATMENT PLANT | PA1510002 | Pennsylvania | Community | 320,000 |
| RAYSTOWN LAKE ARMY CORPS OF EN | PA4310001 | Pennsylvania | Transient Non-Community | 276,200 |
| ERIE CITY WATER AUTHORITY | PA6250028 | Pennsylvania | Community | 220,001 |
| YORK WATER CO | PA7670100 | Pennsylvania | Community | 206,762 |
| WEST VIEW WATER AUTHORITY | PA5020043 | Pennsylvania | Community | 200,000 |
| PA GAS & WATER COMPANY | PA2359113 | Pennsylvania | Community | 146,568 |
| PA GAS & WATER COMPANY | PA2359111 | Pennsylvania | Community | 146,568 |
| MAWC SWEENEY PLANT | PA5650032 | Pennsylvania | Community | 143,000 |
| PA GAS & WATER COMPANY | PA2409111 | Pennsylvania | Community | 141,281 |
| CHESTER WATER AUTHORITY | PA1230004 | Pennsylvania | Community | 140,437 |
| PA AMER WATER CO LAKE SCRANTON | PA2359008 | Pennsylvania | Community | 134,570 |
| MAWC YOUGH PLANT | PA5260036 | Pennsylvania | Community | 133,000 |
| PHILADELPHIA SUBURBAN WATER CO | PA1150163 | Pennsylvania | Community | 130,000 |
| WESTERN PENNSYLVANIA WATER CO | PA5020042 | Pennsylvania | Community | 127,000 |
| WILKINSBURG-PENN JT WATER AUTH | PA5020056 | Pennsylvania | Community | 125,000 |
| CITY OF LANCASTER | PA7360058 | Pennsylvania | Community | 120,000 |
| LCA ALLENTOWN DIVISION | PA3390024 | Pennsylvania | Community | 118,000 |
| CITY OF BETHLEHEM | PA3480046 | Pennsylvania | Community | 117,259 |
| PA AMERICAN-CANONS/WASHINGTON | PA5630037 | Pennsylvania | Community | 114,135 |
| VEOLIA WATER | PA7220015 | Pennsylvania | Community | 110,000 |
| PA AMERICAN WATER CO WEST | PA7210029 | Pennsylvania | Community | 105,127 |
| PA GAS AND WATER CO - NORT DI | PA2350021 | Pennsylvania | Community | 102,000 |
| EASTON AREA WATER SYSTEM | PA3480050 | Pennsylvania | Community | 96,867 |
| READING AREA WATER AUTHORITY | PA3060059 | Pennsylvania | Community | 95,100 |
| NORTH PENN WATER AUTHORITY | PA1460034 | Pennsylvania | Community | 91,941 |
| PA AMERICAN NORRISTOWN | PA1460046 | Pennsylvania | Community | 88,885 |
| LORIMAR PARK | PA1460871 | Pennsylvania | Transient Non-Community | 75,000 |
| NORTH WALES WATER AUTHORITY | PA1460048 | Pennsylvania | Community | 72,496 |
| STATE COLLEGE BORO WATER AUTH | PA4140096 | Pennsylvania | Community | 72,000 |
| PHILA SUB.WATER CO.CRUM CREEK | PA1230023 | Pennsylvania | Community | 70,000 |
| PA GAS & WATER COMPANY | PA2409100 | Pennsylvania | Community | 68,474 |
| CAPITAL REGION WATER | PA7220049 | Pennsylvania | Community | 66,540 |
| LOWER BUCKS CO JOINT MUN AUTH | PA1090026 | Pennsylvania | Community | 63,007 |
| ALTOONA WATER AUTHORITY | PA4070023 | Pennsylvania | Community | 62,500 |
| HAMPTON SHALER WATER AUTHORITY | PA5020019 | Pennsylvania | Community | 61,949 |
| PLYMOUTH RELIEF | PA2409009 | Pennsylvania | Community | 59,039 |
| AQUA PA BENSALEM | PA1090078 | Pennsylvania | Community | 59,001 |
| EASTON SUBURBAN WATER AUTH | PA3480064 | Pennsylvania | Community | 58,900 |
| P G W MUNDYS GLEN | PA2409007 | Pennsylvania | Community | 58,856 |