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
KEOKUK MUNICIPAL WATER WORKS IA5640019 Iowa Community 9,900
KY TURNPIKE WATER DISTRICT #1 KY0150355 Kentucky Community 9,900
WEST YELLOWSTONE TOWN OF MT0003136 Montana Community 9,899
GRASSY POND WATER CO INC (SC1120002) SC1120002 South Carolina Community 9,895
LITTLE HOCKING WATER ASSOCIATION, INC. OH8400212 Ohio Community 9,892
LCWSA CONSOLIDATED WATER DISTRICT NY2501019 New York Community 9,892
COLUMBIA CITY WATER DEPARTMENT IN5292004 Indiana Community 9,892
TOWN OF MOUNT AIRY MD0060007 Maryland Community 9,890
WATERVLIET CITY NY0110127 Community 9,889
MORRISON TOWN OF CO0130085 Colorado Community 9,887
MONROEVILLE, WATER WORKS BD. OF CITY OF AL0001052 Alabama Community 9,885
CITY OF JASPER TX1210001 Texas Community 9,884
SLEEPY HOLLOW (VILLAGE) NY5903450 New York Community 9,870
JULINGTON CREEK WTP FL2554347 Florida Community 9,870
HORNELL CITY NY5001215 New York Community 9,870
CLAY TOWNSHIP MI0001450 Michigan Community 9,866
Cambridge MN1300002 Minnesota Community 9,862
CCWD - JENNY LIND CA0510006 California Community 9,861
MT AIRY WATER DOGGETT NC0286015 North Carolina Community 9,860
CITY OF BILOXI-NORTH MS0240084 Mississippi Community 9,858
GOLDEN HILLS CSD CA1510045 California Community 9,857
CALLAWAY COUNTY PWSD 1 MO3024084 Missouri Community 9,840
STANSBURY PARK IMPROVEMENT DISTRICT UTAH23003 Utah Community 9,839
CITY OF JENNINGS WATER SYSTEM LA1053003 Louisiana Community 9,837
WINFIELD IL0431150 Illinois Community 9,835
BURLINGTON CITY WATER DE NJ0305001 New Jersey Community 9,835
TOHO WATER AUTHORITY-POINCIANA WTP #1 FL3490507 Florida Community 9,831
WHITLEY CO WATER DISTRICT KY1180468 Kentucky Community 9,825
FAIRFIELD WATER SUPPLY IA5131033 Iowa Community 9,821
MAHASKA RURAL WATER SYSTEM, INC. IA6273901 Iowa Community 9,818
HARRIS COUNTY WCID 110 TX1010482 Texas Community 9,807
CITY OF CUERO TX0620001 Texas Community 9,807
VERNON WATER AND SEWER BOARD AL0000773 Alabama Community 9,801
TODD COUNTY WATER DISTRICT KY1100944 Kentucky Community 9,801
WATERFORD WATER WORKS (PURCHASE TROY) NY4500173 New York Community 9,800
FAIRPORT VILLAGE NY2701043 New York Community 9,800
SPRINGFIELD WATER DEPT VT0005333 Vermont Community 9,800
SHELBY WATER DEPARTMENT OH7004514 Ohio Community 9,800
CITY OF JOSEPHINE TX0430036 Texas Community 9,800
MILFORD WATER DEPARTMENT DE0000616 Delaware Community 9,800
LENOX DPW WATER DIVISION MA1152000 Massachusetts Community 9,800
BLYTHE - CITY OF CA3310003 California Community 9,798
LUXOR RESORT AND CASINO NV0001111 Nevada Non-Transient Non-Community 9,796
MAGEES CREEK W/A-NORTH MS0740076 Mississippi Community 9,792
MONETT PWS MO5010537 Missouri Community 9,789
WINSLOW CITY OF AZ0409035 Arizona Community 9,789
LITTLE CREEK AMPHIBIOUS BASE - U.S. NAVY VA3810340 Virginia Community 9,782
DUNLAP WATER SYSTEM TN0000205 Tennessee Community 9,782
JEFF DAVIS WATER AND SEWER COMMISSION 1 LA1053014 Louisiana Community 9,780
CITY OF HOLLY SPRINGS MS0470002 Mississippi Community 9,779