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
WILMINGTON CITY PWS OH1401211 Ohio Community 12,401
CITY OF SWEETWATER TX1770002 Texas Community 12,401
PCUD-SOUTHEAST #1 FL6512685 Florida Community 12,399
FORT ATKINSON WATERWORKS WI1280103 Community 12,390
MAYFIELD ELECTRIC & WATER KY0420274 Kentucky Community 12,379
PEMBERTON TWP DEPT MAIN NJ0329004 New Jersey Community 12,378
ABERDEEN COMMISSIONERS MD0002179 Maryland Community 12,375
CITY OF SUGAR LAND - GREATWOOD TX0790296 Texas Community 12,368
RAINBOW CITY, WWB OF THE TOWN OF AL0000588 Alabama Community 12,363
MASCOTTE WATER DEPARTMENT FL3350812 Florida Community 12,355
Sycuan 090605024 California Community 12,350
WARRENVILLE IL0430833 Illinois Community 12,350
UNION PWS MO6010801 Missouri Community 12,348
GLACIER RANGER STATION WA53FJ296 Washington Transient Non-Community 12,346
HARRIS COUNTY MUD 1 TX1010539 Texas Community 12,342
ECWA EVANS NY1400445 New York Community 12,338
SOUTHSIDE WATER WORKS AND SEWER BOARD AL0000591 Alabama Community 12,327
GADSDEN CO REGIONAL W/S FL1200797 Florida Community 12,322
PERQUIMANS COUNTY WATER SYSTEM NC0472025 North Carolina Community 12,320
LOGANVILLE GA1350006 Georgia Community 12,319
DALLASTOWN YOE WATER AUTH PA7670085 Pennsylvania Community 12,300
BOWLING GREEN WATER DISTRICT NY2902860 New York Community 12,300
EFFINGHAM COUNTY SURFACE WATER SYSTEM GA1030131 Georgia Community 12,293
SANDPOINT PUBLIC WORKS DEPT ID1090121 Idaho Community 12,284
GRAFTON WATERWORKS WI2460111 Wisconsin Community 12,269
PLATTEVILLE WATERWORKS WI1220115 Wisconsin Community 12,268
SOUTH CENTRAL WATER ASSN MS0250022 Mississippi Community 12,260
GREAT BASIN WATER COMPANY NV0000270 Nevada Community 12,255
AUBURN WATER DISTRICT MA2017000 Massachusetts Community 12,255
EFFINGHAM IL0490250 Illinois Community 12,252
DEFUNIAK SPRINGS W/S, CITY OF FL1660196 Florida Community 12,243
ROUPES VALLEY WATER AUTHORITY AL0000760 Alabama Community 12,240
EXETER WATER DEPT NH0801010 New Hampshire Community 12,236
ERWIN UTILITIES AUTHORITY TN0000231 Tennessee Community 12,236
JBMDL - MCGUIRE AFB NJ0326006 New Jersey Community 12,227
HARALSON COUNTY WATER AUTHORITY GA1430007 Georgia Community 12,220
BEATRICE, CITY OF NE3106705 Nebraska Community 12,220
CITY OF NEWMAN-WATER DEPARTMENT CA5010013 California Community 12,207
C.W.W.I.A.-(HILL TOP) NY1302795 New York Community 12,200
SOMERSWORTH WATER WORKS NH2151010 New Hampshire Community 12,200
BRATTLEBORO WATER DEPT VT0005290 Vermont Community 12,200
MILITARY HWY WSC PROGRESO TX1080234 Texas Community 12,198
Saint Peter MN1520006 Minnesota Community 12,198
GREENUP WATER SYSTEM KY0450169 Kentucky Community 12,193
ARIZONA WATER CO - LAKESIDE AZ0409003 Arizona Community 12,191
CALEDONIA EAST WATER UTILITY DISTRICT WI2520185 Wisconsin Community 12,191
WRENTHAM WATER DIVISION MA4350000 Massachusetts Community 12,190
YANCEY WSC TX1630021 Texas Community 12,186
CENTRALIA IL1214220 Illinois Community 12,182
WVAWC BLUEFIELD DISTRICT WV3302835 Community 12,174