Browse Water Systems

434,040 public water systems.

Public Water Systems Database

Browse 434,040 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
COACHELLA VALLEY CWD CA3310061 California Community 23,650
SOUTH ELGIN IL0890800 Illinois Community 23,648
GRIFFIN GA2550000 Georgia Community 23,643
GROVELAND WATER DEPARTMENT FL3350476 Florida Community 23,628
COLUMBUS LIGHT & WATER MS0440003 Mississippi Community 23,616
HARDIN CO. WATER DIST #1/FT. KNOX KY0470990 Kentucky Community 23,600
SHELBY, CITY OF NC0123010 North Carolina Community 23,600
SOUTH SALT LAKE CITY WATER SYSTEM UTAH18032 Utah Community 23,600
BELTON PWS MO1010061 Missouri Community 23,598
ECWA WEST SENECA NY1404543 New York Community 23,557
RAINBOW MUNICIPAL WD CA3710016 California Community 23,536
Farmington MN1190008 Minnesota Community 23,534
TROY UTILITIES, CITY OF AL0001124 Alabama Community 23,523
ATLANTIC BEACH WATER SYSTEM FL2160200 Florida Community 23,503
WINDSOR TOWN OF CO0162843 Colorado Community 23,500
MARGATE CITY WATER DEPARTMENT NJ0116001 New Jersey Community 23,500
KING COUNTY WATER DISTRICT #49 WA5339800 Washington Community 23,492
CITY OF KERRVILLE TX1330001 Texas Community 23,489
MONROE WATER SYSTEM WA5355820 Washington Community 23,467
MERIDIAN MD CO0218015 Colorado Community 23,415
FT KNOX WATER DEPT KY0470624 Kentucky Community 23,400
LYNN HAVEN, CITY OF WATER SYSTEM FL1030435 Florida Community 23,380
BROOKINGS MUNICIPAL UTILITIES SD4600071 South Dakota Community 23,377
KING, CITY OF NC0285010 North Carolina Community 23,370
JACKSONVILLE BEACH WTP FL2160563 Florida Community 23,352
WAHIAWA HI0000333 Hawaii Community 23,348
LOVES PARK IL2010150 Illinois Community 23,335
ROLLING MEADOWS IL0312730 Illinois Community 23,329
CITY OF BILOXI MS0240001 Mississippi Community 23,310
ENUMCLAW WATER DEPARTMENT WA5323600 Washington Community 23,276
NORTH LIBERTY WATER SUPPLY IA5252072 Iowa Community 23,276
GARDEN CITY (V) NY2902824 New York Community 23,272
WESTERN PULASKI CO WATER DISTRICT KY1000363 Kentucky Community 23,264
STONEHAM WATER DEPT (MWRA SUPPLY) MA3284000 Massachusetts Community 23,244
LONGWOOD, CITY OF (2 WPS) FL3590202 Florida Community 23,237
OAKDALE, CITY OF CA5010014 California Community 23,235
WATERTOWN MUNICIPAL UTILITIES SD4600356 South Dakota Community 23,230
Hastings MN1190012 Minnesota Community 23,222
CITY OF CORINTH TX0610065 Texas Community 23,213
DRAPER CITY WATER SYSTEM UTAH18133 Utah Community 23,205
PA-AMERICAN WATER- UNIONTOWN PA5260020 Pennsylvania Community 23,125
CITY OF STEPHENVILLE TX0720002 Texas Community 23,110
VALLEY OF THE MOON WATER DISTRICT CA4910013 California Community 23,107
LOCKPORT IL1970500 Illinois Community 23,100
BEAVER FALLS MA- NEW BRIGHTON PA5040084 Pennsylvania Community 23,099
WEBSTER GROVES MO6010845 Missouri Community 23,095
CITY OF MARSHALL TX1020002 Texas Community 23,091
CHATHAM CO-NORTH NC0319126 North Carolina Community 23,088
BALDWIN COUNTY GA0090000 Georgia Community 23,067
FERNLEY PUBLIC WORKS NV0000062 Nevada Community 23,064