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
BELL ARTHUR WATER CORP NC0474045 North Carolina Community 11,483
EAST MONTANA WATER SYSTEM TX0710178 Texas Community 11,480
CITY OF GRANBURY TX1110001 Texas Community 11,468
FINDLAY TWP MUNICIPAL AUTH PA5020078 Pennsylvania Community 11,460
SALADO WSC TX0140035 Texas Community 11,460
HOQUIAM WATER DEPARTMENT WA5334350 Washington Community 11,456
GEN'L WWKS OF S.FLA-K.BISCAYNE FL4131615 Florida Community 11,450
KENNESAW GA0670004 Georgia Community 11,445
GUYMON OK2007003 Oklahoma Community 11,442
CITY OF BELL GARDENS CA1910108 California Community 11,437
POMPTON LAKES MUA NJ1609001 New Jersey Community 11,435
MADISON CO WATER FACILITIES BD AR0000349 Arkansas Community 11,435
WOODBURY WATER SYSTEM TN0000756 Tennessee Community 11,434
STORM LAKE WATER TREATMENT PLANT IA1178097 Iowa Community 11,431
WYLIE NORTHEAST SUD TX0430051 Texas Community 11,430
BREWTON WATER WORKS AL0000555 Alabama Community 11,430
URBANA CITY PWS OH1101212 Ohio Community 11,428
PA-AMERICAN WATER CO-CONNELLSV PA5260022 Pennsylvania Community 11,425
CITY OF SELMA TX0150492 Texas Community 11,418
PERU WATER DEPARTMENT IN5252016 Indiana Community 11,417
ROCKWOOD WATER, SEWER & GAS TN0000590 Tennessee Community 11,412
RAPID VALLEY SANITARY DISTRICT SD4600274 South Dakota Community 11,408
HOLBROOK PUBLIC WORKS DEPT MA4133000 Massachusetts Community 11,405
MENDOTA, CITY OF CA1010021 California Community 11,404
AQUA PA SUPERIOR MAIN SYSTEM PA1460085 Pennsylvania Community 11,400
TRINIDAD CITY OF CO0136800 Colorado Community 11,400
RATTLESNAKE RIDGE WATER DISTRICT KY0220555 Kentucky Community 11,397
UH - CLEVELAND MEDICAL CENTER OH1841113 Ohio Non-Transient Non-Community 11,395
BRADFORDVILLE REGIONAL W/S FL1370393 Florida Community 11,395
ASH/WIN JOINT WATER AUTHORITY MA2011004 Massachusetts Community 11,394
EAST HANOVER TWP WATER DEPT NJ1410001 New Jersey Community 11,393
ONEIDA CITY NY2602381 New York Community 11,393
KINGSTON WATER SYSTEM TN0000360 Tennessee Community 11,392
WESTON WATER DEPT. MA3333000 Massachusetts Community 11,391
MEMORIAL VILLAGES WATER AUTHORITY TX1010148 Texas Community 11,382
WASHINGTON COUNTY WATER COMPANY IL1895600 Illinois Community 11,374
HENRY COUNTY WATER COMPANY MO1010177 Missouri Community 11,373
BEDFORD TOWNSHIP MI0000530 Michigan Community 11,368
AQUARION WATER COMPANY, MILLBURY MA2186000 Massachusetts Community 11,368
LAKE OF EGYPT PWD IL1995200 Illinois Community 11,368
GRANTS WATER SYSTEM NM3526132 New Mexico Community 11,365
CITY OF RIPLEY MS0700008 Mississippi Community 11,351
ELON, TOWN OF NC0201025 North Carolina Community 11,350
MANCHESTER WATER WORKS KY0260737 Kentucky Community 11,349
Grand Rapids MN1310011 Minnesota Community 11,346
COMMERCE GA1570001 Georgia Community 11,340
GREENVILLE UTILITIES VIL OF WI4450278 Wisconsin Community 11,340
BREVARD, CITY OF NC0188010 North Carolina Community 11,336
ROBINSON-PALESTINE WATER COMMISSION IL0335030 Illinois Community 11,331
HILLSVILLE UTILITY DISTRICT TN0000430 Tennessee Community 11,325