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
BELAIR-BOWIE WATER TREATMENT MD0000710 Maryland Community 31,000
FORT JACKSON (SC4010501) SC4010501 South Carolina Community 31,000
BETHLEHEM WD NO 1 NY0100191 New York Community 31,000
DEWEY BEACH WATER DEPARTMENT DE0000825 Delaware Community 31,000
ARAPAHOE CNTY WWWA CO0203002 Colorado Community 31,000
CITY OF MARTINEZ CA0710006 California Community 30,997
BELLEVUE, CITY OF NE3115306 Nebraska Community 30,994
TULLAHOMA UTILITIES AUTHORITY TN0000715 Tennessee Community 30,958
Joint Powers Water Board MN1860024 Minnesota Community 30,922
NORTH ANDOVER WATER DEPT MA3210000 Massachusetts Community 30,915
STONE HARBOR WATER DEPT NJ0510001 New Jersey Community 30,850
STATESVILLE, CITY OF NC0149010 North Carolina Community 30,843
CITY OF JAX - NORWOOD WTP FL2164368 Community 30,830
SCWA MATHER-SUNRISE CA3410704 California Community 30,825
LIBERTY PWS MO1010466 Missouri Community 30,800
JONES BEACH STATE PARK NY2908333 New York Non-Transient Non-Community 30,799
RINCON DEL DIABLO MWD (ID-1) CA3710018 California Community 30,757
ALGONQUIN IL1110050 Illinois Community 30,700
BENTON WATERWORKS AR0000484 Arkansas Community 30,681
POUGHKEEPSIE CITY NY1330291 New York Community 30,639
CITY OF SACHSE TX0570057 Texas Community 30,630
ATASCADERO MUTUAL WATER CO CA4010002 California Community 30,618
MID-PENINSULA WATER DISTRICT CA4110001 California Community 30,609
STAFFORD TWP WATER - BEACH HAVEN WEST NJ1530004 New Jersey Community 30,603
FAIRMONT CITY OF WV3302502 West Virginia Community 30,586
SAVANNAH VALLEY U.D. TN0000613 Tennessee Community 30,571
DEPTFORD TWP MUA NJ0802001 New Jersey Community 30,561
HAINES CITY, CITY OF FL6532232 Florida Community 30,545
BRENTWOOD WATER DEPARTMENT TN0000069 Tennessee Community 30,493
GARFIELD WATER DEPARTMENT NJ0221001 New Jersey Community 30,487
WEST MELBOURNE WTR SYS(CONSEC) FL3051460 Florida Community 30,443
GALVESTON COUNTY WCID 1 TX0840001 Texas Community 30,399
MILFORD WATER DEPARTMENT MA2185000 Massachusetts Community 30,379
CITY OF BUCKEYE - VALENCIA TOWN DIVISION AZ0407078 Arizona Community 30,377
WALNUT CREEK SUD TX1840008 Texas Community 30,364
MALLORY VALLEY U.D. TN0000428 Tennessee Community 30,347
CITY OF SALISBURY MD0220004 Maryland Community 30,343
VIRGINIA-AMERICAN WATER CO. VA3670800 Virginia Community 30,317
Savage MN1700008 Minnesota Community 30,285
BATTLE GROUND WATER DEPT CITY OF WA5304700 Washington Community 30,237
HARDIN COUNTY WATER DISTRICT #1 KY0470393 Kentucky Community 30,230
YORK COUNTY EAST WD (SC4620002) SC4620002 South Carolina Community 30,225
OCPU/CONWAY COMPLEX FL3480048 Florida Community 30,223
PACE FLEMING GRID FL2104391 Florida Community 30,211
PA AMERICAN WHITE DEER PA4490023 Pennsylvania Community 30,209
GROTON UTILITIES CT0590011 Connecticut Community 30,200
GURNEE IL0970350 Illinois Community 30,193
HIGHLAND PARK IL0970500 Illinois Community 30,176
GREAT ADVENTURE NJ1511300 New Jersey Non-Transient Non-Community 30,150
ORANGE WATER DEPT NJ0717001 New Jersey Community 30,134