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
AQUARION WATER COMPANY OXFORD MA2226000 Massachusetts Community 7,343
EAST MADISON WATER ASSN-WEST MS0450007 Mississippi Community 7,339
SOUTH MONROE WS GOWC LA1073046 Louisiana Community 7,335
TOWN AND COUNTRY UTILITY FL5084116 Florida Community 7,332
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2 CA1910117 California Community 7,330
NORTHWEST RURAL WATER DISTRICT WY5601254 Wyoming Community 7,330
HOMELAND PARK W/D (SC0420001) SC0420001 South Carolina Community 7,328
EATON TOWN OF CO0162233 Colorado Community 7,328
SAVOY SWORDS WATER SYSTEM INC LA1097024 Louisiana Community 7,326
EMERALD FOREST UTILITY DISTRICT TX1010541 Texas Community 7,326
WILLIAMSTOWN WATER DEPT MA1341000 Massachusetts Community 7,326
BATESVILLE WATER UTILITY IN5269001 Indiana Community 7,323
PARKWAY UTILITY DISTRICT TX1010750 Texas Community 7,323
DIANA SUD TX2300006 Texas Community 7,320
GRANITE FALLS, TOWN OF NC0114030 North Carolina Community 7,318
KAUFMAN COUNTY FWSD 4A TX1290056 Texas Community 7,317
HARRIS COUNTY MUD 152 TX1010902 Texas Community 7,314
CITY OF BRUNSWICK MD0100005 Maryland Community 7,312
GROVE MUNICIPAL SERVICES AUTH. OK1021614 Oklahoma Community 7,311
VANDENBERG VILLAGE COMM. SERV. DIST. CA4210017 California Community 7,308
ADAIRSVILLE GA0150000 Georgia Community 7,306
HAMPTON GA1510000 Georgia Community 7,305
TOWN OF ALBANY WATER SYSTEM LA1063022 Louisiana Community 7,305
SOUTH PITTSBURG WATER SYSTEM TN0000651 Tennessee Community 7,304
COTATI, CITY OF CA4910016 California Community 7,303
LAN DEL WATER DISTRICT KS2010313 Kansas Community 7,302
PUTNAM WATER POLLUTION CONTROL AUTHORITY CT1160011 Connecticut Community 7,300
N A S OCEANA VA3810430 Virginia Community 7,300
UPPER SAUCON TWP WATER SUPPLY PA3390077 Pennsylvania Community 7,300
LITTLESTOWN BORO PA7010022 Pennsylvania Community 7,300
HERITAGE WATER COMPANY CT1300021 Connecticut Community 7,300
CAPHART NE3105528 Nebraska Community 7,300
USCE-WINFIELD CAMP #2 GA0730024 South Carolina Transient Non-Community 7,300
TEST SDWIS SYSTEM LA9999999 Louisiana Community 7,300
DUNBAR'S CHEVRON STATION GA2250007 Georgia Transient Non-Community 7,300
WESTFIELD WATER WORKS - NORTH IN5229021 Indiana Community 7,295
LAVALETTE PSD WV3305006 West Virginia Community 7,293
NASHVILLE RURAL WATER AUTHORITY AR0000805 Arkansas Community 7,291
CITY OF LAMPASAS TX1410001 Texas Community 7,291
WILLISTON PARK (V) NY2902858 New York Community 7,287
EAST BAY WATER WORKS 055293603 Michigan Community 7,284
CITY OF WILLS POINT TX2340005 Texas Community 7,281
CITY OF PERRY FL2620208 Florida Community 7,281
D & M WSC TX1740010 Texas Community 7,280
NEW ELLENTON CPW (SC0210007) SC0210007 South Carolina Community 7,277
CITY OF LACY LAKEVIEW TX1550033 Texas Community 7,275
MINERSVILLE MUNICIPAL WATER AU PA3540035 Pennsylvania Community 7,275
Crookston MN1600002 Minnesota Community 7,272
NEPTUNE BEACH FL2160206 Florida Community 7,270
CITY OF GRIDLEY CA0410004 California Community 7,269