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
HARRIS COUNTY MUD 55 HERITAGE PARK TX1010678 Texas Community 16,392
MT STERLING WATER WORKS KY0870298 Kentucky Community 16,391
DUXBURY WATER DEPARTMENT MA4082000 Massachusetts Community 16,387
NORTH READING WATER DEPT. MA3213000 Massachusetts Community 16,379
CANTON GA0570001 Georgia Community 16,375
SNOHOMISH CITY OF WA5380915 Washington Community 16,367
EAST LONGMEADOW DPW WATER DEPT MA1085000 Massachusetts Community 16,358
ROBINSON TWP MUNI AUTH PA5020045 Pennsylvania Community 16,354
AIBONITO LA PLATA PR0004545 PR Community 16,354
OWOSSO, CITY OF MI0005120 Michigan Community 16,353
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
TOWN OF 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
LINCOLNTON, CITY OF NC0155010 North Carolina Community 16,309
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
DADE COUNTY WATER AUTHORITY GA0830000 Georgia Community 16,285
GRANTSVILLE CITY UTAH23002 Utah Community 16,284
CITY OF 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
FORT VALLEY UTILITY COMMISSION GA2250001 Georgia Community 16,257
LEWISTON WATER IMPROVEMENTAREA NY3100561 New York Community 16,257
PA AM CAP DIV Y B I PA7670126 Pennsylvania Community 16,250
MARTINSBURG CITY OF WV3300212 West Virginia Community 16,250
TOWN OF DAVIE FL4064394 Florida 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
DEWITT WDS - SOUTH NY3304343 New York Community 16,200
BEAVER DAM WATER UTILITY WI1140059 Wisconsin Community 16,200
LA GRANGE IL0311530 Illinois Community 16,200
CHELAN CO PUD 1 WA5312284 Washington Community 16,190
MCDONOUGH GA1510003 Georgia Community 16,187
CITY OF COVINGTON WATER SUPPLY LA1103011 Louisiana Community 16,185
TROUTDALE, CITY OF OR4100901 Oregon Community 16,185
UNION CITY WATER DEPT TN0000720 Tennessee Community 16,180
WALNUT PARK MUTUAL WATER CO. CA1910169 California Community 16,180