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
EAST ALABAMA, WATER & FIRE PRO DISTRICT AL0000174 Alabama Community 17,532
SANTAQUIN CITY UTAH25002 Utah Community 17,532
SOUTH COAST WD - CAPISTRANO BEACH CA3010055 California Community 17,503
SALINA WDS NY3304346 New York Community 17,500
ROCKLAND WATER DEPT MA4251000 Massachusetts Community 17,500
BROWARD COUNTY UTILITIES SYST FL4060171 Florida Community 17,500
SOUTH OGDEN CITY WATER SYSTEM UTAH29017 Utah Community 17,500
VAIL WATER COMPANY AZ0410041 Arizona Community 17,500
LEMONT IL0311620 Illinois Community 17,500
SANTA CLARITA VALLEY W.A.-NEWHALL DIV. CA1910096 California Community 17,498
KAUKAUNA UTILITIES WI4450336 Wisconsin Community 17,493
BELMONT, CITY OF NC0136015 North Carolina Community 17,477
NORWALK CITY PWS OH3901111 Ohio Community 17,466
V.A.W. WATER SYSTEM, INC AL0000413 Alabama Community 17,466
CAYCE CITY OF (SC3210003) SC3210003 South Carolina Community 17,460
HARRISON WATERWORKS AR0000062 Arkansas Community 17,455
WESTERN MWD - MURRIETA DIVISION CA3310036 California Community 17,453
CITY OF UVALDE TX2320002 Texas Community 17,450
HENDERSON COUNTY WATER DISTRICT KY0510189 Kentucky Community 17,447
JASPER MUNICIPAL WATER UTILITY IN5219009 Indiana Community 17,440
GREEN RIVER VALLEY WATER DISTRICT KY0500166 Kentucky Community 17,431
WEST ANDERSON W/D (0420006) SC0420006 South Carolina Community 17,430
RADFORD, CITY OF VA1750100 Virginia Community 17,420
NEW PHILADELPHIA CITY PWS OH7900812 Ohio Community 17,410
ORANGE PARK SOUTH GRID FL2101144 Florida Community 17,399
CITY OF SOUTH HOUSTON TX1010294 Texas Community 17,397
BAKMAN WATER COMPANY CA1010001 California Community 17,393
SWANSEA WATER DISTRICT MA4292000 Massachusetts Community 17,375
AMESBURY DPW WATER DIV. MA3007000 Massachusetts Community 17,366
EASTON UTILITIES MD0200003 Maryland Community 17,357
GLEN HILLS UTILITY DISTRICT TN0000266 Tennessee Community 17,355
MEADVILLE AREA WATER AUTHORITY PA6200036 Pennsylvania Community 17,339
AMMON CITY OF ID7100004 Idaho Community 17,338
PENUELAS PR0004324 PR Community 17,320
SANDY SPRINGS WATER CO INC (SC0420003) SC0420003 South Carolina Community 17,311
HUNTINGTON WATER DEPARTMENT IN5235005 Indiana Community 17,300
EAST MILTON WATER SYSTEM FL1570232 Florida Community 17,292
DERRY WATER DEPT NH0611010 New Hampshire Community 17,290
CHARLESTON IL0290100 Illinois Community 17,286
TONAWANDA CITY NY1400538 New York Community 17,284
WALKER MI0006860 Michigan Community 17,279
COALINGA-CITY CA1010004 California Community 17,277
MEDFORD TWP DEPT OF MUNI NJ0320001 New Jersey Community 17,272
PAWC HILLSIDE FILTER PLANT PA2409005 Pennsylvania Community 17,269
BELFOREST WATER SYSTEM AL0000025 Alabama Community 17,268
WAPELLO RURAL WATER ASSOC. IA9000742 Iowa Community 17,263
CITY OF CRESCENT CITY CA0810001 California Community 17,262
TOWN OF ADDISON TX0570031 Texas Community 17,257
KERMAN, CITY OF CA1010018 California Community 17,256
CHRISTIAN CO WATER DISTRICT KY0240521 Kentucky Community 17,248