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
FAIRVIEW, CITY OF OR4100296 Oregon Community 9,963
WEST MANCHESTER TWP AUTH PA7670101 Pennsylvania Community 9,960
MARYSVILLE, CITY OF MI0004160 Michigan Community 9,959
BURLINGTON WATERWORKS WI2520177 Wisconsin Community 9,958
LUCY BRANCH WATER PLANT FL2100693 Florida Community 9,957
COCOS PR0004895 PR Community 9,956
CEDARTOWN GA2330000 Georgia Community 9,955
STEAMBOAT SPRINGS CITY OF CO0154725 Colorado Community 9,950
SOUTHLAKE UTILITIES FL3354916 Florida Community 9,950
CAL-AM WATER COMPANY - EAST PASADENA CA1910020 California Community 9,949
NEWBERRY CITY OF (3610001) SC3610001 South Carolina Community 9,947
STANLY CO-WEST STANLY DIST NC0184035 North Carolina Community 9,939
GREEN VALLEY CAMPGROUND CA3600011 California Transient Non-Community 9,939
MILWAUKEE COUNTY GROUNDS WI2410778 Wisconsin Community 9,936
DANDRIDGE WATER MGMT FACILITY TN0000170 Tennessee Community 9,931
TRUMBULL CO. - SOUTHEAST PWS OH7803203 Ohio Community 9,931
CITY OF FULTON MS0290003 Mississippi Community 9,929
GUTHRIE OK1020903 Oklahoma Community 9,925
TIERRA NUEVA RABANOS PR0003182 PR Community 9,924
SAUK IL0312790 Illinois Community 9,921
HAVRE CITY OF MT0000524 Montana Community 9,921
MUSKEGON HEIGHTS MI0004580 Michigan Community 9,917
CITY OF YOUNGSVILLE WATER SYSTEM LA1055035 Louisiana Community 9,915
HOWELL, CITY OF MI0003250 Michigan Community 9,914
CITY OF YAZOO CITY MS0820014 Mississippi Community 9,913
LAKE HENSHAW RESORT INC. CA3700900 California Community 9,913
MOUNDSVILLE WV3302611 West Virginia Community 9,911
HUMBOLDT UTILITIES-WATER DEPT TN0000314 Tennessee Community 9,908
GREENWOOD WATERWORKS AR0000504 Arkansas Community 9,905
BBP WATER COMPANY IN5260001 Indiana Community 9,903
BERLIN TOWNSHIP MI0000635 Michigan Community 9,900
PATASKALA CITY OH4502512 Ohio Community 9,900
SNAKE RIVER WD CO0159105 Colorado Community 9,900
KEOKUK MUNICIPAL WATER WORKS IA5640019 Iowa Community 9,900
PEASE TRADE PORT NH1951020 New Hampshire Community 9,900
KY TURNPIKE WATER DISTRICT #1 KY0150355 Kentucky Community 9,900
TAYLOR-WEST WEBER WID UTAH29019 Utah Community 9,900
DOWNINGTOWN WATER AUTHORITY PA1150026 Pennsylvania Community 9,900
EAST GREENWICH TWP WATER DEPT NJ0803001 New Jersey Community 9,900
DECATUR WATER DEPARTMENT IN5201002 Indiana Community 9,900
WEST YELLOWSTONE TOWN OF MT0003136 Montana Community 9,899
GRASSY POND WATER CO INC (SC1120002) SC1120002 South Carolina Community 9,895
LITTLE HOCKING WATER ASSOCIATION, INC. OH8400212 Ohio Community 9,892
LCWSA CONSOLIDATED WATER DISTRICT NY2501019 New York Community 9,892
COLUMBIA CITY WATER DEPARTMENT IN5292004 Indiana Community 9,892
TOWN OF MOUNT AIRY MD0060007 Maryland Community 9,890
CITY OF HEATH TX1990014 Texas Community 9,890
WATERVLIET CITY NY0110127 Community 9,889
MORRISON TOWN OF CO0130085 Colorado Community 9,887
MONROEVILLE, WATER WORKS BD. OF CITY OF AL0001052 Alabama Community 9,885