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
KALAMAZOO TOWNSHIP MI0003540 Michigan Community 20,166
CITY OF SEAGOVILLE TX0570016 Texas Community 20,156
FLINT TOWNSHIP MI0002320 Michigan Community 20,142
WASHINGTON WATER AUTHORITY WWA AR0000574 Arkansas Community 20,140
CHANDLER WATER WORKS DEPARTMENT IN5287002 Indiana Community 20,120
CITY OF UNIVERSAL CITY TX0150009 Texas Community 20,119
CENTRAL ARKANSAS WATER MAUMELLE AR0000463 Arkansas Community 20,115
CONSOLIDATED-DEER VALLEY AZ0407020 Arizona Community 20,100
KING COUNTY WATER DISTRICT NO 90 WA5341150 Washington Community 20,100
CORTLAND (C) NY1101754 New York Community 20,095
WARREN WATER DISTRICT IA9133701 Iowa Community 20,095
FT WAINWRIGHT - MAIN POST AK2310918 Alaska Community 20,076
LAHAINA HI0000214 Hawaii Community 20,065
BULLOCK PEN WATER DISTRICT KY0410047 Kentucky Community 20,048
BELLA VISTA CITY WATER SYSTEM AZ0402010 Arizona Community 20,045
GRAYSON COUNTY WATER DISTRICT KY0430616 Kentucky Community 20,033
HUDSON WATER SUPPLY MA2141000 Massachusetts Community 20,032
SILVER CREEK WATER CORPORATION IN5210011 Indiana Community 20,028
GERMANTOWN WATER UTILITY WI2670105 Wisconsin Community 20,027
AQUA INDIANA - NORTH END WATER SUPPLY IN5202002 Indiana Community 20,018
SYCAMORE SHOALS STATE PARK TN0003858 Tennessee Transient Non-Community 20,000
NATURAL TUNNEL STATE PK-SYS 2 VA1169701 Virginia Community 20,000
UNION VILLAGE DAM VT0020484 Vermont Transient Non-Community 20,000
I-95 REST AREA SC1570903 South Carolina Transient Non-Community 20,000
STILLWATER OK3006004 Oklahoma Community 20,000
OHIO WATER SERVICE,LEE/GENEVA OH0400811 Ohio Community 20,000
MADISON TWP RACEWAY PARK NJ1211225 New Jersey Transient Non-Community 20,000
LENOIR CITY OF NC0114015 North Carolina Community 20,000
TALLY HO INN NJ1328206 New Jersey Transient Non-Community 20,000
QUEENSBURY WATER DISTRICT NY0000114 New York Community 20,000
SAIPAN 2 MP1002000 MP Community 20,000
N WILKESBORO SPD-WAY NC0197415 North Carolina Transient Non-Community 20,000
SALISBURY MD0002724 Maryland Community 20,000
DISTRICT 1 TEST SYSTEM LA3051333 Community 20,000
ANYTOWN USA KS2000000 Community 20,000
LOCK & DAM 13 IL0001743 Transient Non-Community 20,000
LOCK & DAM 13 IL0001453 Transient Non-Community 20,000
LOCK & DAM 13 IL0001644 Transient Non-Community 20,000
LOCK & DAM 13 IL0016394 Transient Non-Community 20,000
ST OF ILL CHI CIRCLE CAMPUS IL0317860 Illinois Community 20,000
HAMMONDS KOA ID3710339 Idaho Transient Non-Community 20,000
KISSIMMEE-CAMELOT/FOUNTAIN PK FL3494302 Florida Community 20,000
CAMPBELL WATER COMPANY CA4310003 California Community 20,000
BLUFFDALE WATER SYSTEM UTAH18004 Utah Community 20,000
WHEAT RIDGE WATER DISTRICT CO0130842 Colorado Community 20,000
BVU AUTHORITY VA1520070 Virginia Community 20,000
BEACH HAVEN WATER DEPT NJ1503001 New Jersey Community 20,000
SEASIDE HEIGHTS WATER DE NJ1526001 New Jersey Community 20,000
LEWISTON ORCHARDS IRRIGATION DIST ID2350015 Idaho Community 20,000
WEBER STATE UNIVERSITY - OGDEN CAMPUS UTAH29128 Utah Non-Transient Non-Community 20,000