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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.

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