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
OAK BLUFFS WATER DISTRICT MA4221000 Massachusetts Community 24,000
KINGSTON (CITY) WATER DISTRICT NY5503374 New York Community 24,000
MONROE GA2970001 Georgia Community 23,997
NORTON SHORES MI0004850 Michigan Community 23,994
ROMULUS MI0005785 Michigan Community 23,989
MOUNTAIN PEAK SUD TX0700042 Texas Community 23,988
HIGHLAND WATER WORKS IN5245021 Indiana Community 23,984
MANCHESTER TWP WATER UTILITY - EASTERN NJ1518005 New Jersey Community 23,980
DESERT OASIS AZ0407523 Arizona Community 23,963
CITY OF ANNA TX0430027 Texas Community 23,960
SAN FERNANDO-CITY, WATER DEPT. CA1910143 California Community 23,946
WATERTOWN WATERWORKS WI1280044 Wisconsin Community 23,945
GARDNER, CITY OF KS2009106 Kansas Community 23,942
FREEPORT IL1770200 Illinois Community 23,930
ETOWAH GA0850007 Georgia Community 23,922
Champlin MN1270006 Minnesota Community 23,919
MUNSTER WATER COMPANY IN5245031 Indiana Community 23,894
CITY OF SAGINAW TX2200023 Texas Community 23,890
MIDDLETON WATERWORKS WI1130242 Wisconsin Community 23,868
MENOMONEE FALLS WW - SURFACE WATER WI2680082 Wisconsin Community 23,867
LINCOLN CO B.P.U. #1 TN0000764 Tennessee Community 23,846
EPCOR - ANTHEM AZ0407504 Arizona Community 23,826
CITY OF WATAUGA TX2200328 Texas Community 23,806
UNIONDALE WATER DISTRICT NY2902855 New York Community 23,800
AVON CITY PWS OH4700203 Ohio Community 23,800
POLK COUNTY WATER AUTHORITY GA2330001 Georgia Community 23,792
OAK HARBOR CITY OF WA5362650 Washington Community 23,767
NORTHWEST HARRIS COUNTY MUD 5 TX1010884 Texas Community 23,766
PAW BLUE MOUNTAIN DIVISION PA3480055 Pennsylvania Community 23,763
SHELBYVILLE WATER & SEWER COMMISSION KY1060394 Kentucky Community 23,760
MT WASHINGTON WATER COMPANY KY0150300 Kentucky Community 23,760
CRESTVIEW WSD CO0101040 Colorado Community 23,756
BROWNSBURG WATER WORKS IN5232002 Indiana Community 23,750
GOLDEN STATE WATER COMPANY - BAY POINT CA0710002 California Community 23,731
LEWISTON WATER & SEWER DIVISION ME0090830 Maine Community 23,720
Faribault MN1660002 Minnesota Community 23,718
BCWWS 3B FL4060166 Florida Community 23,695
ADRIAN MI0000040 Michigan Community 23,663
AVON LAKE CITY PWS OH4700311 Ohio Community 23,659
COACHELLA VALLEY CWD CA3310061 California Community 23,650
SOUTH ELGIN IL0890800 Illinois Community 23,648
GRIFFIN GA2550000 Georgia Community 23,643
GROVELAND WATER DEPARTMENT FL3350476 Florida Community 23,628
COLUMBUS LIGHT & WATER MS0440003 Mississippi Community 23,616
HARDIN CO. WATER DIST #1/FT. KNOX KY0470990 Kentucky Community 23,600
SOUTH SALT LAKE CITY WATER SYSTEM UTAH18032 Utah Community 23,600
BELTON PWS MO1010061 Missouri Community 23,598
SHELBY, CITY OF NC0123010 North Carolina Community 23,577
ECWA WEST SENECA NY1404543 New York Community 23,557
RAINBOW MUNICIPAL WD CA3710016 California Community 23,536