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
HIGH POINT SUD TX1290016 Texas Community 16,341
CITY OF CUPERTINO CA4310018 California Community 16,336
CWSC KING CITY CA2710009 California Community 16,334
WEST VIRGINIA WATER COMPANY WV3302047 West Virginia Community 16,333
BLANCHARD WATER SYSTEM LA1017006 Louisiana Community 16,326
MOUNT CLEMENS, CITY OF MI0004510 Michigan Community 16,314
MARION COUNTY WATER DISTRICT KY0780268 Kentucky Community 16,311
WAYNE WATER DISTRICTS PURCHASE NC6096001 North Carolina Community 16,302
WILLIAMSBURG, CITY OF VA3830850 Virginia Community 16,300
MARINE CORPS BASE HAWAII HI0000356 Hawaii Community 16,300
SOUTH MONROE COUNTY WATER SYSTEM GA2070074 Georgia Community 16,292
SIKESTON PWS MO4010743 Missouri Community 16,291
BARCELONETA URBANO PR0002722 PR Community 16,290
DADE COUNTY WATER AUTHORITY GA0830000 Georgia Community 16,285
GRANTSVILLE CITY UTAH23002 Utah Community 16,284
MINDEN WATER SYSTEM LA1119021 Louisiana Community 16,281
NORTH MARSHALL WATER DISTRICT #1 KY0790319 Kentucky Community 16,276
NASA AMES RESEARCH CENTER CA4300997 California Community 16,273
CITY OF MERCEDES TX1080007 Texas Community 16,258
LEWISTON WATER IMPROVEMENTAREA NY3100561 New York Community 16,257
PA AM CAP DIV Y B I PA7670126 Pennsylvania Community 16,250
TOWN OF DAVIE FL4064394 Florida Community 16,250
MARTINSBURG CITY OF WV3300212 West Virginia Community 16,250
CARROLLS CREEK, WATER AUTHORITY AL0001540 Alabama Community 16,248
CITY OF SULPHUR SPRINGS TX1120002 Texas Community 16,243
WESTCHESTER IL0313150 Illinois Community 16,241
CITY OF MOUNT PLEASANT TX2250001 Texas Community 16,238
EL RENO OK2000902 Oklahoma Community 16,212
EASTHAMPTON WATER DEPT MA1087000 Massachusetts Community 16,211
CHEROKEE WATER SYSTEM 043740039 North Carolina Community 16,203
AIBONITO LA PLATA PR0004545 PR Community 16,202
BEAVER DAM WATER UTILITY WI1140059 Wisconsin Community 16,200
LA GRANGE IL0311530 Illinois Community 16,200
DEWITT WDS - SOUTH NY3304343 New York Community 16,200
FORNEY LAKE WSC TX1290014 Texas Community 16,188
MCDONOUGH GA1510003 Georgia Community 16,187
TROUTDALE, CITY OF OR4100901 Oregon Community 16,185
COVINGTON WATER SUPPLY LA1103011 Louisiana Community 16,185
UNION CITY WATER DEPT TN0000720 Tennessee Community 16,180
WALNUT PARK MUTUAL WATER CO. CA1910169 California Community 16,180
CITY OF MADISON MS0450010 Mississippi Community 16,136
GROSSE POINTE WOODS MI0002920 Michigan Community 16,135
CITY OF GATESVILLE TX0500002 Texas Community 16,135
CLAIBORNE UTILITIES DISTRICT TN0000113 Tennessee Community 16,135
SUMMIT WATER & SUPPLY CO WA5385050 Washington Community 16,109
MAXWELL SUD TX0280003 Texas Community 16,104
FORT LAWN SC1220005 South Carolina Community 16,100
GREAT FALLS SC1220004 South Carolina Community 16,100
REPUBLIC PWS MO5010681 Missouri Community 16,100
LINCOLN AVENUE WATER CO. CA1910063 California Community 16,088