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
HDMA - BENTON RD PWS OH8035512 Ohio Non-Transient Non-Community 11,025
COTTONWOOD MUNICIPAL WATER CW1 AZ0413025 Arizona Community 11,023
LAS BOCAS PR0004945 PR Community 11,022
BOONE CT PSD-MADISON WV3300336 West Virginia Community 11,019
CHEROKEE COUNTY WATER & SEWER AUTHORITY AL0000189 Alabama Community 11,013
CENTERVILLE WATER SYSTEM TN0000103 Tennessee Community 11,011
GRANDVIEW CITY OF WA5328970 Washington Community 11,010
CASITAS MUNICIPAL WATER DIST CA5610024 California Community 11,005
CITY OF VERNON TX2440001 Texas Community 11,002
WAPAKONETA CITY PWS OH0600712 Ohio Community 11,000
TARRYTOWN WATER SUPPLY NY5903461 New York Community 11,000
MIDLAND CO., WATER DIST. NO. 1 OF MI0004375 Michigan Community 11,000
LINCOLN PARK WATER DEPT NJ1416001 New Jersey Community 11,000
PRINEVILLE, CITY OF OR4100682 Oregon Community 11,000
NAVAL SUPPORT FACILITY, DAHLGREN VA6099340 Virginia Community 11,000
DOVER AIR FORCE BASE DE0000579 Community 11,000
KIRKMAN BLDG. - STATE OFFICERS FL1370396 Florida Transient Non-Community 11,000
MC CARRAN INTERNATION AIRPORT NV0001077 Nevada Transient Non-Community 11,000
PORT WENTWORTH GA0510002 Georgia Community 11,000
CONSOLIDATED UD OF RUTHERFORD TN0000132 Tennessee Community 11,000
SIERRA MADRE-CITY, WATER DEPT. CA1910148 California Community 11,000
LONG NECK WATER COMPANY DE0000625 Delaware Community 11,000
BORDEN TRI-COUNTY REGION IN5210002 Indiana Community 11,000
ABERDEEN PROV GRDS % US ARMY MD0002848 Maryland Community 11,000
MASON, CITY OF - SOUTH OH8304312 Ohio Community 11,000
MASON, CITY OF OH8300812 Ohio Community 11,000
CITY OF FROSTBURG MD0010011 Maryland Community 11,000
MO AMERICAN EUREKA MO6010258 Missouri Community 11,000
LIBERTY UTILITIES BOLIVAR MO5010085 Missouri Community 11,000
WEST SLOPE WATER DISTRICT OR4100660 Oregon Community 11,000
SONOMA STATE UNIVERSITY CA4910027 California Community 10,986
HEALDSBURG, CITY OF CA4910005 California Community 10,985
SUMTER COUNTY WATER AUTHORITY AL0001222 Alabama Community 10,983
CITY OF BURKBURNETT TX2430005 Texas Community 10,978
Lake Elmo MN1820009 Minnesota Community 10,978
FORT BEND COUNTY MUD 128 TX0790498 Texas Community 10,974
WORTH IL0313360 Illinois Community 10,970
MARINETTE WATERWORKS WI4380395 Wisconsin Community 10,968
RAYNHAM CENTER WATER DISTRICT MA4245000 Massachusetts Community 10,964
GRAYSON UTILITY COMMISSION KY0220164 Kentucky Community 10,950
JBSA RANDOLPH TX0150115 Texas Community 10,949
BERNALILLO WATER SYSTEM NM3508923 New Mexico Community 10,948
NORTH CENTRAL AUSTIN G C MUD N TX2270228 Texas Community 10,941
DEL ORO WATER CO.-PARADISE PINES CA0410011 California Community 10,940
MILAN WATER DEPT TN0000458 Tennessee Community 10,932
FOX CROSSING UTILITIES EAST WI4710453 Wisconsin Community 10,927
GRAFTON WATER DISTRICT MA2110000 Massachusetts Community 10,925
ATLANTIC UTILITIES OF SARASOTA FL6588002 Florida Community 10,922
HOUSTON-RIDGEMONT AREA TX1011592 Texas Community 10,911
CITY OF RAYNE WATER SYSTEM LA1001007 Louisiana Community 10,908