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
ST TAMMANY WATER DISTRICT #2 LA1103033 Louisiana Community 5,200
CHEROKEE WATER SUPPLY - PLANT 1 IA1811020 Iowa Community 5,199
SOUTH LOGAN WATER ASSOCIATION KY0710707 Kentucky Community 5,198
SOUTHWEST ALABAMA WATER AUTHORITY AL0001426 Alabama Community 5,196
Pinon-District 4 NTUA NN0403004 Arizona Community 5,195
ST ROBERT PWS MO3010720 Missouri Community 5,192
WBR WATER DISTRICT IV LA1121023 Louisiana Community 5,192
NORTH MOHAVE VALLEY AZ0408068 Arizona Community 5,190
WEST STONE COUNTY WATER ASSN AR0000735 Arkansas Community 5,188
CCWD - COPPER COVE CA0510017 California Community 5,187
CINCO SOUTHWEST MUD 3 DAYCARE TX0790521 Texas Community 5,187
WESTON MUD EAST TX1012709 Texas Community 5,184
SIENNA MUD 6 TX0790491 Texas Community 5,184
MONTGOMERY COUNTY MUD 94 TX1700716 Texas Community 5,184
RUSSELL WATER COMPANY KY0450376 Kentucky Community 5,181
HARRIS COUNTY MUD 33 TX1011162 Texas Community 5,181
LAVADEROS PR0003386 PR Community 5,180
ASHBURN GA2870000 Georgia Community 5,176
MID-OHIO WSD - OLD SPRINGFIELD ROAD WTP OH4901012 Ohio Community 5,176
MACON ELECTRIC & WATER DEPT. MS0520004 Mississippi Community 5,174
GLENNVILLE WATER SYSTEM GA2670002 Georgia Community 5,173
COLUMBUS UTILITIES WI1110038 Community 5,173
LINQ HOTEL AND CASINO NV0001163 Nevada Non-Transient Non-Community 5,172
TRI-COUNTY RWD #2 OK2006362 Oklahoma Community 5,172
MORGANFIELD WATER WORKS KY1130293 Kentucky Community 5,170
EAST PONTOTOC WATER ASSN MS0580002 Mississippi Community 5,170
KIMBALL TOWNSHIP MI0003628 Michigan Community 5,170
TOWN OF BUNKIE WATER SYSTEM LA1009004 Louisiana Community 5,169
SOUTH PARK BUSINESS CENTER IN2410017 Indiana Non-Transient Non-Community 5,167
FRANKLIN COUNTY WATER SERVICE AUTHORITY AL0001500 Alabama Community 5,166
PCUD-HOLIDAY LAKE EST (NPR SO) FL6510812 Florida Community 5,165
CSU SOUTH CAMPUS CO0235181 Colorado Non-Transient Non-Community 5,164
NEW LEXINGTON OH6400411 Ohio Community 5,161
CITY OF BUELLTON WATER DIVISION CA4210018 California Community 5,161
HARRIS COUNTY WCID 114 TX1010317 Texas Community 5,160
CAMINO REAL TX1460196 Texas Community 5,160
DENTON COUNTY FWSD 11-A TX0610259 Texas Community 5,160
MULESHOE MUNICIPAL WATER SYSTEM TX0090001 Texas Community 5,158
TRENTON WATER SYSTEM TN0000707 Tennessee Community 5,155
NORTHEAST HENRY COUNTY U.D. TN0000540 Tennessee Community 5,155
ROXBURY TWP W DEPT-SHORE NJ1436003 New Jersey Community 5,153
CITY OF BROUSSARD WATER SYSTEM LA1055003 Louisiana Community 5,151
CONNELL CITY OF WA5314600 Washington Community 5,150
ALEXANDRIA WATER DEPARTMENT IN5248001 Indiana Community 5,149
MONEE IL1970650 Illinois Community 5,148
IOWA FALLS WATER DEPARTMENT IA4260097 Iowa Community 5,146
POINT PLEASANT WATER WORKS WV3302710 West Virginia Community 5,146
OLD LINE WATER SYSTEM AL0000257 Alabama Community 5,145
NORTHFIELD WATER DEPT VT0005275 Vermont Community 5,145
SWS-LANDRUM WTP (SC4210003) SC4210003 South Carolina Community 5,143