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
GLEN RIDGE WATER DEPT NJ0708001 New Jersey Community 7,681
EARLIMART PUD CA5410021 California Community 7,679
CENTRAL NASH WATER & SEWER NC4064005 North Carolina Community 7,675
YNP-OLD FAITHFUL WY5680085 Wyoming Community 7,675
KINGWOOD WATER BOARD WV3303908 West Virginia Community 7,674
HAMILTON WATER DEPT MA3119000 Massachusetts Community 7,674
NORTHWEST HARRIS COUNTY MUD 10 TX1011649 Texas Community 7,671
CITY OF KENNEDALE TX2200017 Texas Community 7,670
SOUTHWICK WATER DEPT MA1279000 Massachusetts Community 7,669
BLACKWELL MUNICIPAL AUTHORITY OK1021101 Oklahoma Community 7,668
FOUKE WSC TX2500016 Texas Community 7,668
CITY OF OLIVE BRANCH - PLEASANT HILL MS0170016 Mississippi Community 7,668
LEE ROAD WATER CORPORATION LA1103020 Louisiana Community 7,665
WELLINGTON, CITY OF KS2019119 Kansas Community 7,664
RALLS COUNTY PWSD 1 MO2024499 Missouri Community 7,662
CENTRAL WELD CNTY WD CO0162122 Colorado Community 7,662
NORTH CHELMSFORD WATER DIST MA3056002 Massachusetts Community 7,660
CEDAR HILLS FL2161334 Florida Community 7,660
SOUTH HADLEY FIRE DISTRICT #2 MA1117001 Massachusetts Community 7,650
DOSWELL WTP VA4085235 Virginia Community 7,650
WILLIAMSTON, TOWN OF NC0459010 North Carolina Community 7,650
OLD TOWN WATER DISTRICT ME0091200 Maine Community 7,648
WESTON MUD TX1010634 Texas Community 7,647
SOUTH FORK UTILITY DISTRICT TN0000644 Tennessee Community 7,645
LEBANON WATER WORKS CO INC KY0780241 Kentucky Community 7,642
SEM. CO/LAKE HAYES FL3594110 Florida Community 7,639
FORTVILLE WATER WORKS IN5230003 Indiana Community 7,638
DEKALB COUNTY PWSD 1 MO1024191 Missouri Community 7,635
BUTLER WATER DEPT NJ1403001 New Jersey Community 7,630
NORTH TAZEWELL PWD IL1795780 Illinois Community 7,625
HOLLYWOOD GAMING @ MVRC OH5055013 Ohio Non-Transient Non-Community 7,625
CITY OF YOUNGSVILLE PURCHASE WS LA1055195 Louisiana Community 7,623
VANDALIA IL0510350 Illinois Community 7,616
LOWER VALLEY WATER USERS ASSOCIATION NM3510324 New Mexico Community 7,615
DECORAH WATER DEPARTMENT IA9630012 Iowa Community 7,615
LANDER, CITY OF WY5600176 Wyoming Community 7,615
KIMBERLY WATERWORKS WI4450342 Wisconsin Community 7,608
NORTH DESOTO WATER SYSTEM LA1031011 Louisiana Community 7,608
MONTGOMERY COUNTY MUD 18 TX1700546 Texas Community 7,608
HERKIMER VILLAGE NY2102306 New York Community 7,606
CITY OF RICHWOOD TX0200035 Texas Community 7,605
LEDGEVIEW TN SANITARY DIST 2 WI4051418 Wisconsin Community 7,602
NORFOLK WATER DIVISION MA2208000 Massachusetts Community 7,602
OCEANO COMM SERVICES DIST. CA4010005 California Community 7,601
INGALLS WATER COMPANY IN5248012 Indiana Community 7,600
HARTFORD WATER DEPT VT0005319 Vermont Community 7,600
PINE BUSH WATER DISTRICT NY3503553 New York Community 7,600
VAIL ASSOC MIDVAIL EAGLE CO0219800 Colorado Non-Transient Non-Community 7,600
ADELPHIA WATER COMPANY NJ1319001 New Jersey Community 7,600
KENETH BENNETT IN2090199 Indiana Transient Non-Community 7,594