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
CTWC - SHORELINE REGION-GUILFORD SYSTEM CT0608011 Connecticut Community 33,975
OREGON CITY OR4101511 Oregon Community 33,940
HEMET, CITY OF CA3310016 California Community 33,828
MONROE SOUTH COUNTY MI0004455 Michigan Community 33,816
DURANGO CITY OF CO0134150 Colorado Community 33,787
Brooklyn Center MN1270004 Minnesota Community 33,782
PARKLAND LIGHT & WATER COMPANY WA5366200 Washington Community 33,775
COOPER CITY FL4060282 Florida Community 33,752
EAST POINT GA1210003 Georgia Community 33,712
FRANKLIN WATER DEPARTMENT MA2101000 Massachusetts Community 33,706
DAVIESS CO WATER DISTRICT KY0300387 Kentucky Community 33,655
BOTHELL WATER CITY OF WA5307900 Washington Community 33,643
CARLSBAD MUNICIPAL WATER SYSTEM NM3520608 New Mexico Community 33,626
JACKSON COUNTY WATER & SEWER AUTHORITY GA1570117 Georgia Community 33,601
IL AMERICAN-GRANITE CITY IL1195030 Illinois Community 33,572
WOODRIDGE IL0431250 Illinois Community 33,566
SMITHS WATER & SEWER AUTHORITY AL0000820 Alabama Community 33,555
CLEARFIELD CITY WATER SYSTEM UTAH06002 Utah Community 33,540
BETHESDA WSC TX1260017 Texas Community 33,441
PETERSBURG, CITY OF VA3730750 Virginia Community 33,394
ABINGTON/ROCKLAND JOINT WTR. WORKS MA4001000 Massachusetts Community 33,387
DAPHNE, UTILITIES BOARD OF THE CITY OF AL0000029 Alabama Community 33,372
CITY OF GREENVILLE TX1160004 Texas Community 33,354
MEADE COUNTY WATER DISTRICT KY0820369 Kentucky Community 33,313
COVINA-CITY, WATER DEPT. CA1910127 California Community 33,300
GAHANNA CITY PWS OH2501303 Ohio Community 33,258
BETTENDORF WATER SUPPLY IA8209007 Iowa Community 33,215
VERNON HILLS - LAKE CO PW IL0971750 Community 33,207
BROWNSTOWN TOWNSHIP MI0000940 Michigan Community 33,194
GLENDALE HEIGHTS IL0430400 Illinois Community 33,176
PA AMERICAN WATER CO YARDLEY PA1090074 Pennsylvania Community 33,171
JACKSON MI0003470 Michigan Community 33,165
ST CHARLES IL0894830 Illinois Community 33,103
WATERPRO INC UTAH18006 Utah Community 33,100
JONESBOROUGH WATER DEPT TN0000338 Tennessee Community 33,069
MIDVALE CITY WATER SYSTEM UTAH18017 Utah Community 33,005
ELIZABETHTOWN W CO SOMER NJ1818001 New Jersey Community 33,000
PORTSMOUTH WATER WORKS NH1951010 New Hampshire Community 33,000
ATTLEBORO WATER DEPT MA2016000 Massachusetts Community 33,000
BUTTON BAY STATE PARK VT0008033 Vermont Transient Non-Community 33,000
RATHBUN REGIONAL WATER ASSN (RATHBUN) IA0400900 Iowa Community 33,000
NEW PORT RICHEY WATER DEPT FL6511255 Florida Community 33,000
ORION TOWNSHIP MI0005035 Michigan Community 33,000
BETHPAGE WD NY2902817 Community 33,000
BUTTE SILVERBOW WATER DEPT MT0000170 Montana Community 33,000
EAST LANSING, CITY OF MI0001990 Michigan Community 33,000
CROSSVILLE WATER DEPT TN0000150 Tennessee Community 32,985
KAYSVILLE CITY WATER SYSTEM UTAH06006 Utah Community 32,976
SJWTX TRIPLE PEAK PLANT TX0460172 Texas Community 32,973
JACKSONVILLE WATERWORKS AR0000466 Arkansas Community 32,875