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
WALKER MI0006860 Michigan Community 17,279
COALINGA-CITY CA1010004 California Community 17,277
MEDFORD TWP DEPT OF MUNI NJ0320001 New Jersey Community 17,272
PAWC HILLSIDE FILTER PLANT PA2409005 Pennsylvania Community 17,269
BELFOREST WATER SYSTEM AL0000025 Alabama Community 17,268
WAPELLO RURAL WATER ASSOC. IA9000742 Iowa Community 17,263
CITY OF CRESCENT CITY CA0810001 California Community 17,262
TOWN OF ADDISON TX0570031 Texas Community 17,257
KERMAN, CITY OF CA1010018 California Community 17,256
CHRISTIAN CO WATER DISTRICT KY0240521 Kentucky Community 17,248
AUBURN WATER DISTRICT ME0090070 Maine Community 17,245
ERIE CO PERKINS DISTRICT OH2200603 Ohio Community 17,241
CAMDEN PUMP DISTRICT DE0000124 Community 17,208
TOHO WATER AUTHORITY-POINCIANA WTP #5 FL3535076 Florida Community 17,206
PA AMER WATER CO ELLWOOD CTY PA6370011 Pennsylvania Community 17,200
SUNNYSIDE CITY OF WA5385400 Washington Community 17,194
WAILUA-KAPAA HI0000413 Hawaii Community 17,179
HARRIS COUNTY MUD 26 TX1010715 Texas Community 17,178
FREDERICK TOWN OF CO0162288 Colorado Community 17,173
BELLAGIO RESORT AND CASINO NV0001117 Nevada Non-Transient Non-Community 17,171
CENTERVILLE CITY WATER SYSTEM UTAH06001 Utah Community 17,155
NEVADA ID - E. GEORGE, BANNER MOUNTAIN CA2910004 California Community 17,154
GARRISON LAKE PUMP DISTRICT DE0000004 Community 17,148
MARINE CORPS AIR STATION CHERRY POINT NC0425035 North Carolina Community 17,144
CITY OF SHOW LOW AZ0409026 Arizona Community 17,139
LACONIA WATER WORKS NH1281010 New Hampshire Community 17,125
BUCKSPORT WATER COMPANY (SC2620003) SC2620003 South Carolina Community 17,123
MARCO RURAL WATER CO (SC3320001) SC3320001 South Carolina Community 17,120
NEW CASTLE/STANWOOD W.D. NY5903442 New York Community 17,116
MORTON IL1790500 Illinois Community 17,111
EASTERN WASHINGTON UNIVERSITY WA5321900 Washington Community 17,108
HANNIBAL PWS MO2010344 Missouri Community 17,108
RUSSELLVILLE WATER WORKS AND SEWER BOARD AL0000610 Alabama Community 17,100
PORTSMOUTH WATER & FIRE DISTRICT RI1592022 Rhode Island Community 17,090
HARRIS COUNTY MUD 71 TX1011823 Texas Community 17,079
MOULTRIE GA0710004 Georgia Community 17,067
RAYTOWN WATER COMPANY MO1010676 Missouri Community 17,066
LAKE MARY, CITY OF FL3590201 Florida Community 17,066
PORT TOWNSEND CITY OF WA5369000 Washington Community 17,053
MASHANTUCKET PEQUOT TRIBAL NATION CT0723011 Connecticut Community 17,050
MHOG SEWER & WATER AUTHORITY MI0004098 Michigan Community 17,046
POPLAR BLUFF PWS MO4010656 Missouri Community 17,043
CITY OF PORT NECHES TX1230010 Texas Community 17,043
GRETNA WATERWORKS LA1051003 Louisiana Community 17,026
USMC LEJEUNE--HOLCOMB BLVD NC0467043 North Carolina Community 17,000
JEFFERSON COUNTY PWSD 3 MO6024294 Missouri Community 17,000
GLENS FALLS CITY NY0000104 New York Community 17,000
SUN VALLEY GID NV0000211 Nevada Community 17,000
NAVAL SUPPORT ACTIVITY PORTSMOUTH VA3740500 Virginia Community 17,000
STEUBENVILLE, CITY OF OH4102411 Ohio Community 17,000