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
SUNY AT MORRISVILLE NY0017628 New York Community 9,999
LACKAWANNA CITY NY1400506 New York Community 9,999
WAIALUA-HALEIWA HI0000332 Hawaii Community 9,996
BOONEVILLE WATER DEPT. MS0590004 Mississippi Community 9,995
SUMMERVILLE GA0550003 Georgia Community 9,993
AUSTINS COLONY TX2270255 Texas Community 9,987
FORREST CITY WATERWORKS AR0000004 Arkansas Community 9,986
ADAMSVILLE WATER SYSTEM TN0000002 Tennessee Community 9,985
CHEAT VIEW PSD WV3303106 West Virginia Community 9,984
REEDSBURG WATERWORKS WI1570102 Community 9,984
CITY OF IOWA COLONY TX0200832 Texas Community 9,978
Shiprock-Rattlesnake-Cudei-Beclabito NTUA NN3500248 Arizona Community 9,975
BEREA MUNICIPAL UTILITIES KY0760030 Kentucky Community 9,972
WATERTOWN WATER & SEWER AUTHORITY CT1530021 Connecticut Community 9,972
FAIRVIEW, CITY OF OR4100296 Oregon Community 9,963
WEST MANCHESTER TWP AUTH PA7670101 Pennsylvania Community 9,960
MARYSVILLE, CITY OF MI0004160 Michigan Community 9,959
LUCY BRANCH WATER PLANT FL2100693 Florida Community 9,957
CEDARTOWN GA2330000 Georgia Community 9,955
SOUTHLAKE UTILITIES FL3354916 Florida Community 9,950
STEAMBOAT SPRINGS CITY OF CO0154725 Colorado Community 9,950
CAL-AM WATER COMPANY - EAST PASADENA CA1910020 California Community 9,949
NEWBERRY CITY OF (3610001) SC3610001 South Carolina Community 9,947
STANLY CO-WEST STANLY DIST NC0184035 North Carolina Community 9,939
GREEN VALLEY CAMPGROUND CA3600011 California Transient Non-Community 9,939
MILWAUKEE COUNTY GROUNDS WI2410778 Wisconsin Community 9,936
TRUMBULL CO. - SOUTHEAST PWS OH7803203 Ohio Community 9,931
DANDRIDGE WATER MGMT FACILITY TN0000170 Tennessee Community 9,931
COCOS PR0004895 Community 9,930
CITY OF FULTON MS0290003 Mississippi Community 9,929
GUTHRIE OK1020903 Oklahoma Community 9,925
HAVRE CITY OF MT0000524 Montana Community 9,921
SAUK IL0312790 Illinois Community 9,921
MUSKEGON HEIGHTS MI0004580 Michigan Community 9,917
HOWELL, CITY OF MI0003250 Michigan Community 9,914
LAKE HENSHAW RESORT INC. CA3700900 California Community 9,913
CITY OF YAZOO CITY MS0820014 Mississippi Community 9,913
MOUNDSVILLE WV3302611 West Virginia Community 9,911
GREAT BASIN WATER CO COLD SPRINGS NV0000207 Nevada Community 9,910
HUMBOLDT UTILITIES-WATER DEPT TN0000314 Tennessee Community 9,908
GREENWOOD WATERWORKS AR0000504 Arkansas Community 9,905
BBP WATER COMPANY IN5260001 Indiana Community 9,903
DOWNINGTOWN WATER AUTHORITY PA1150026 Pennsylvania Community 9,900
TAYLOR-WEST WEBER WID UTAH29019 Utah Community 9,900
EAST GREENWICH TWP WATER DEPT NJ0803001 New Jersey Community 9,900
PEASE TRADE PORT NH1951020 New Hampshire Community 9,900
DECATUR WATER DEPARTMENT IN5201002 Indiana Community 9,900
PATASKALA CITY OH4502512 Ohio Community 9,900
BERLIN TOWNSHIP MI0000635 Michigan Community 9,900
SNAKE RIVER WD CO0159105 Colorado Community 9,900