Browse Water Systems

433,698 public water systems.

Public Water Systems Database

Browse 433,698 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
LORAIN CITY PWS OH4700711 Ohio Community 64,152
CALIFORNIA WATER SERVICE-S SAN FRANCISCO CA4110009 California Community 64,146
CONWAY WATER SYSTEM AR0000189 Arkansas Community 64,008
Coon Rapids MN1020017 Minnesota Community 64,000
CITY OF JAX - HIGHLANDS WTP FL2164370 Community 63,910
TAMARAC (WEST), CITY OF FL4061429 Florida Community 63,793
PONTIAC MI0005440 Michigan Community 63,776
Eden Prairie MN1270010 Minnesota Community 63,726
FT COLLINS LOVELAND WD CO0135292 Colorado Community 63,532
GSWC - FLORENCE/GRAHAM CA1910077 California Community 63,500
PORTERVILLE, CITY OF CA5410010 California Community 63,487
CITY OF PFLUGERVILLE TX2270014 Texas Community 63,464
TAYLOR MI0006545 Michigan Community 63,409
CAMPBELL COUNTY WATER DIST KY0190057 Kentucky Community 63,346
WEST ALLIS WATERWORKS WI2410595 Wisconsin Community 63,240
HAVERHILL WATER DEPT MA3128000 Massachusetts Community 63,235
CLERMONT COUNTY WATER, BMWTP OH1300431 Ohio Community 63,191
BROOKLINE WATER AND SEWER DIVISION MA3046000 Massachusetts Community 63,191
CITY OF LA HABRA CA3010018 California Community 63,118
LOWER BUCKS CO JOINT MUN AUTH PA1090026 Pennsylvania Community 63,007
OSHKOSH WATERWORKS WI4710457 Wisconsin Community 63,000
CITY OF BAYONNE NJ0901001 New Jersey Community 63,000
CROFTON-ODENTON MD0020008 Maryland Community 62,986
TIGARD, CITY OF OR4100878 Oregon Community 62,500
CITY OF PITTSBURG CA0710008 California Community 62,500
ALTOONA WATER AUTHORITY PA4070023 Pennsylvania Community 62,500
HAMILTON PUBLIC WATER SYSTEM OH0904012 Ohio Community 62,447
SOUTHEAST MORRIS COUNTY MUA NJ1424001 New Jersey Community 62,349
CITY OF MARGATE FL4060845 Florida Community 62,254
FORT GEORGE G. MEADE MD0020012 Maryland Community 62,234
REGIONAL UTILITIES WATER SYSTEM FL1660596 Florida Community 62,225
JBLM Lewis WA5326050 Washington Community 62,197
REVERE WATER DIVISION (MWRA) MA3248000 Massachusetts Community 62,186
MONTEREY PARK-CITY, WATER DEPT. CA1910092 California Community 62,183
TAUNTON WATER DIVISION MA4293000 Massachusetts Community 62,165
HANFORD, CITY OF CA1610003 California Community 62,127
SPRINGFIELD UTILITY BOARD OR4100837 Oregon Community 62,100
LAKEWOOD WATER DISTRICT WA5345550 Washington Community 62,089
DANBURY WATER DEPARTMENT CT0340011 Connecticut Community 62,055
ARIZONA WATER CO - APACHE JUNCTION AZ0411004 Arizona Community 62,055
DEERFIELD BEACH, CITY OF FL4060254 Florida Community 62,000
HAMPTON SHALER WATER AUTHORITY PA5020019 Pennsylvania Community 61,949
NJAWCO SWIMMING RIVER PLANT NJ1514001 New Jersey Community 61,925
SCHENECTADY CITY WATER WORKS NY4600070 New York Community 61,821
Burnsville MN1190002 Minnesota Community 61,747
RIDGEWOOD WATER NJ0251001 New Jersey Community 61,700
MEDFORD WATER DEPT. (MWRA) MA3176000 Massachusetts Community 61,700
WDW-SUBDISTRICT I-PUMP STA A FL3484094 Florida Community 61,691
NORTH MARIN WATER DISTRICT CA2110003 California Community 61,691
CITY OF EULESS TX2200031 Texas Community 61,601