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
BURLINGTON DEPT PUBLIC WORKS WATER DIV VT0005053 Vermont Community 42,000
ISU IA8503528 Iowa Community 42,000
SOUTH NORWALK ELECTRIC & WATER CT1030021 Connecticut Community 42,000
QUINCY IL0010650 Illinois Community 42,000
KENTUCKY-AMERICAN WATER CO/RR KY0340909 Kentucky Community 42,000
CITY OF SCHERTZ TX0940003 Texas Community 41,948
FITCHBURG DPW DIVISION OF WATER SUPPLY MA2097000 Massachusetts Community 41,946
GREENE CO.-NORTHWEST REG WATER OH2903512 Community 41,895
LAGRANGE GA2850001 Georgia Community 41,852
MARLBOROUGH DPW WATER DIV. (MWRA) MA2170000 Massachusetts Community 41,799
WENTZVILLE PWS MO6010849 Missouri Community 41,784
MT LAUREL TWP MUA NJ0324001 New Jersey Community 41,743
SACRAMENTO INTERNATIONAL AIRPORT [SWS] CA3400139 California Non-Transient Non-Community 41,717
BLOOMFIELD TOWNSHIP MI0000790 Michigan Community 41,691
LEOMINSTER WATER DIVISION MA2153000 Massachusetts Community 41,683
CITY OF COPPERAS COVE TX0500001 Texas Community 41,669
KEARNY WATER DEPARTMENT NJ0907001 New Jersey Community 41,664
CHESTERFIELD TOWNSHIP MI0001390 Michigan Community 41,650
DEDHAM WESTWOOD WATER DIST. MA3073000 Massachusetts Community 41,630
MARION MUNICIPAL WATER DEPT IA5751035 Iowa Community 41,623
OAK RIDGE DEPT OF PUBLIC WORKS TN0000522 Tennessee Community 41,614
CITY OF PLANT CITY UTILITY FL6290323 Florida Community 41,601
INDIAN WELLS VALLEY W.D. CA1510017 California Community 41,580
WESTERN MWD CA1310049 California Community 41,549
BARTLETT IL0314120 Illinois Community 41,500
INDIANA AMERICAN WATER - RICHMOND IN5289012 Indiana Community 41,485
HAZELTON WATER AUTHORITY PA2400058 Pennsylvania Community 41,400
HOPKINSVILLE WATER ENVIRONMENT AUTHORITY KY0240201 Kentucky Community 41,350
KNOX-CHAPMAN UTILITY DISTRICT TN0000367 Tennessee Community 41,311
GCWSD WACCAMAW NECK (SC2220010) SC2220010 South Carolina Community 41,300
CARMICHAEL WATER DISTRICT CA3410004 California Community 41,193
Mohegan Sun RETAIL/CASINO/HOTEL/ETC 010109001 Non-Transient Non-Community 41,185
SOUTH COAST WATER DISTRICT CA3010042 California Community 41,118
WESTFIELD DPWWATER DIVISION MA1329000 Massachusetts Community 41,094
GEORGETOWN TOWNSHIP MI0002620 Michigan Community 41,086
EPCOR WATER NEW MEXICO INC CLOVIS NM3527305 New Mexico Community 41,066
MIDDLETOWN WATER DEPARTMENT CT0830011 Connecticut Community 41,019
INMAN CAMPOBELLO W/D (4220002) SC4220002 South Carolina Community 41,007
CALIFORNIA STATE UNIVERSITY FRESNO CA1010339 California Community 41,000
TOWN OF LITTLE ELM TX0610035 Texas Community 41,000
MOUNT PROSPECT IL0311980 Illinois Community 41,000
ALABASTER WATER DEPARTMENT, CITY OF AL0001148 Alabama Community 40,986
GULF SHORES, THE UB OF THE CITY OF AL0000038 Alabama Community 40,947
HANOVER MUNI WATER WORKS PA7670076 Pennsylvania Community 40,900
WOBURN WATER DEPT. MA3347000 Massachusetts Community 40,876
BAY COUNTY WATER SYSTEM FL1030050 Florida Community 40,848
SAGINAW CHARTER TOWNSHIP MI0005860 Michigan Community 40,840
SOQUEL CREEK WATER DISTRICT CA4410017 California Community 40,809
CHELSEA WATER DEPT. (MWRA) MA3057000 Massachusetts Community 40,787
CEDAR FALLS MUNICIPAL WATER UTILITIES IA0709084 Iowa Community 40,713