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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.

System Name PWSID State Type Population Served
PAW CEASETOWN PA2409002 PA Community 58,467
PG&W GARDNER-MILL CREEK PA2409004 PA Community 58,179
LEBANON WATER AUTH PA7380010 PA Community 57,000
PAW NESBITT PA2409010 PA Community 52,640
BCWSA MAIN LOWER SOUTH PA1090079 PA Community 52,621
PAW WATRES PA2409011 PA Community 52,002
WILLIAMSPORT MUN WATER AUTH PA4410173 PA Community 51,000
PA AMER WATER CO PA7220017 PA Community 50,200
N KENSINGTON WATER PLANT PA5650033 PA Community 50,000
P G AND ELMHURST 7 PA2359009 PA Community 49,547
BEAVER FALLS MUNI AUTH PA5040012 PA Community 49,500
GREATER JOHNSTOWN WA RIVERSIDE PA4110034 PA Community 49,500
AQUA PA WEST CHESTER PA1150098 PA Community 48,600
MONROEVILLE MUNICIPAL AUTH PA5020027 PA Community 48,500
AQUA PA SHENANGO VALLEY WTP PA6430054 PA Community 48,000
NEW KENSINGTON MUNI AUTH PA5650070 PA Community 47,800
LCA WLSA CENTRAL DIVISION PA3390073 PA Community 47,693
PA AMERICAN ROYERSFORD PA1150166 PA Community 46,847
NESHAMINY CREEK WATER PLANT PA1090110 PA Community 46,000
VEOLIA MECHANICSBURG PA7210028 PA Community 45,013
HCA HAZLETON DIVISION PA2408001 PA Community 45,000
P G AND W BRACE BROOK PA2359013 PA Community 44,662
PA AMERICAN WATER CO BUTLER PA5100012 PA Community 43,286
PA AMER WATER CO NEW CASTLE PA6370034 PA Community 43,279
AQUA PA ROARING CREEK DIVISION PA4490024 PA Community 43,000
CRANBERRY TWP WTP PA5100094 PA Community 42,000
HAZELTON WATER AUTHORITY PA2400058 PA Community 41,400
HANOVER MUNI WATER WORKS PA7670076 PA Community 40,900
PA AM CAP DIV Y B II PA7670127 PA Community 40,500
SOUTHWESTERN PA WATER AUTH PA5300017 PA Community 40,000
PRINCE GALITZIN ST PARK PA4110059 PA Transient Non-Community 40,000
NORTHAMPTON BORO MUNI AUTH PA3480057 PA Community 40,000
WARMINSTER MUNICIPAL AUTHORITY PA1090069 PA Community 40,000
OAKMONT WATER AUTHORITY PA5020036 PA Community 39,901
NEWTOWN ARTESIAN WATER CO PA1090043 PA Community 38,500
MOON TWP MUNI AUTH PA5020011 PA Community 38,000
LITTLE PINE STATE PK PA4410177 PA Transient Non-Community 37,000
PENN STATE UNIV PA4140095 PA Community 37,000
PSW RIDLEY CREEK PA1230011 PA Community 36,975
PA AMERICAN COATESVILLE PA1150106 PA Community 36,960
NORTHAMPTON BUCKS CO MUN AUTH PA1090089 PA Community 36,750
PA GAS & WATER COMPANY PA2409102 PA Community 36,503
BCWSA MIDDLETOWN PA1090024 PA Community 36,500
POTTSTOWN BOROUGH WATER AUTH PA1460037 PA Community 36,000
WEST PA WATER CO-BUTLER DIST PA5100095 PA Community 35,700
AQUA PA UWCHLAN PA1150035 PA Community 35,518
NORTH FAYETTE CNTY MUNI AUTH PA5260019 PA Community 35,409
SOUTHWESTERN PA WATER AUTH PA5260024 PA Community 35,000
PA AMERICAN WATER CO YARDLEY PA1090074 PA Community 33,171
WEST CNTY MUNI AUTH-MCKEESPORT PA5020025 PA Community 32,644