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
BAYOU TECHE WATER WORKS LA1099002 Louisiana Community 10,137
ONTARIO TOWN BENEFIT AREA #1 NY5801233 New York Community 10,136
HARRIS COUNTY WCID 109 TX1010359 Texas Community 10,134
WESTOVER WATER AUTHORITY AL0001169 Alabama Community 10,131
ALPENA, CITY OF MI0000160 Michigan Community 10,128
Graton Resort and Casino 090605174 California Non-Transient Non-Community 10,127
CITY OF ROANOKE TX0610008 Texas Community 10,127
CITY OF BUCKEYE TARTESSO WATER SYSTEM AZ0407526 Arizona Community 10,123
WOODFIN SANITARY WATER AND SEWER NC0111015 North Carolina Community 10,122
HOPE MILLS, TOWN OF NC0326025 North Carolina Community 10,121
MDWASA-POINT ROYALE FL4131255 Florida Community 10,120
SOUTH MESA WC CA3310017 California Community 10,108
CITY OF INGLESIDE TX2050002 Texas Community 10,106
WHITEMAN AIR BASE MO1079501 Missouri Community 10,106
KEANSBURG WATER & SEWER DEPT. NJ1321001 New Jersey Community 10,105
LOXLEY, CITY OF AL0000048 Alabama Community 10,104
BRIDGEPORT TOWNSHIP MI0000840 Michigan Community 10,104
PONDEROSA FOREST UTILITY DISTRICT TX1010384 Texas Community 10,101
SCWA - ARDEN PARK VISTA CA3410002 California Community 10,101
TRI CNTY JT MUNI AUTH PA5630045 Pennsylvania Community 10,100
IRONDALE WATER SYSTEM AL0000751 Alabama Community 10,098
AQUARION-NEW CANAAN CT0900011 Connecticut Community 10,097
PRITCHETT WATER SUPPLY CORPORATION TX2300012 Texas Community 10,089
INDIANA AMERICAN WATER - MOORESVILLE IN5255006 Indiana Community 10,083
BATH COUNTY WATER DISTRICT KY0060022 Kentucky Community 10,083
HAMILTON/NORTH WATER PLANT OH0901012 Ohio Community 10,080
HILLS CO UTL-SUN CITY FL6292098 Florida Community 10,076
VALLEY WATER CO. CA1910166 California Community 10,070
LAGRANGE UTILITIES COMMISSION KY0930481 Kentucky Community 10,067
WARE WATER DEPT MA1309000 Massachusetts Community 10,066
OGDENSBURG CITY NY4404394 New York Community 10,064
AUBURN GA0130000 Georgia Community 10,060
EARNHART HILL WATER DISTRICT PWS OH6500812 Ohio Community 10,057
JESUP WATER SYSTEM GA3050000 Georgia Community 10,055
PARISH WATER COMPANY LA1033035 Louisiana Community 10,052
CLERMONT, CITY OF (2 WPS) FL3350215 Florida Community 10,048
ALGOOD WATER SYSTEM TN0000009 Tennessee Community 10,042
Detroit Lakes MN1030005 Minnesota Community 10,038
ARTHUR-SHAWANEE UTILITY DISTRICT TN0000022 Tennessee Community 10,037
LWWSD - SOUTH SHORE WATER SYSTEM WA5395910 Washington Community 10,028
CITY OF SILSBEE TX1000002 Texas Community 10,026
SPARTA WATERWORKS WI6420297 Wisconsin Community 10,025
O'CONNOR UTILITY DISTRICT TN0000526 Tennessee Community 10,025
ASSATEAGUE NATIONAL PARK NORTH BEACH MD1231261 Transient Non-Community 10,020
HARRISONVILLE PWS MO1010349 Missouri Community 10,019
MISSOULA COUNTY FAIRGROUNDS MT0004157 Montana Transient Non-Community 10,016
CEDAR HILLS TOWN WATER SYSTEM UTAH25137 Utah Community 10,015
STATE FAIR OF VA VA6033545 Virginia Transient Non-Community 10,015
ANZA VALLEY BUSINESS CA3301158 California Transient Non-Community 10,014
DALEVILLE, THE WWSB OF THE CITY OF AL0000420 Alabama Community 10,014