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
CENTERVILLE OSTERVILLE MARSTONS MILLS WD MA4020002 Massachusetts Community 50,000
WHITTIER-CITY, WATER DEPT. CA1910173 California Community 49,954
GLENDORA-CITY, WATER DEPT. CA1910044 California Community 49,934
NEWARK CITY PWS OH4502314 Ohio Community 49,934
SHEBOYGAN WATER UTILITIES WI4600354 Wisconsin Community 49,931
CITY OF BEDFORD TX2200003 Texas Community 49,900
POWAY, CITY OF CA3710015 California Community 49,888
LINCOLN COUNTY WTP NC0155035 North Carolina Community 49,693
HOLLAND BOARD OF PUBLIC WORKS MI0003190 Michigan Community 49,687
MISHAWAKA UTILITIES IN5271009 Indiana Community 49,675
UC - DAVIS CA5710009 California Community 49,616
P G AND ELMHURST 7 PA2359009 Pennsylvania Community 49,547
PA AMERICAN ROYERSFORD PA1150166 Pennsylvania Community 49,508
REDFORD TOWNSHIP MI0005640 Michigan Community 49,504
BEAVER FALLS MUNI AUTH PA5040012 Pennsylvania Community 49,500
GREATER JOHNSTOWN WA RIVERSIDE PA4110034 Pennsylvania Community 49,500
PORT OF SEATTLE/SEATAC AIRPORT WA5303182 Washington Non-Transient Non-Community 49,483
WEST BLOOMFIELD TOWNSHIP MI0006975 Michigan Community 49,479
MONROE MI0004450 Michigan Community 49,467
DOWNERS GROVE IL0430300 Illinois Community 49,425
ISABELA PR0002672 PR Community 49,419
GREEN MOUNTAIN WSD CO0130321 Colorado Community 49,400
MYRTLE BEACH CITY OF (SC2610001) SC2610001 South Carolina Community 49,375
ENID OK2002412 Oklahoma Community 49,347
PACE WATER SYSTEM, INC. FL1570671 Florida Community 49,328
FORT BEND COUNTY WCID 2 TX0790004 Texas Community 49,173
CITY OF MARYVILLE W&S DEPT TN0000438 Tennessee Community 49,135
WARREN CITY PWS OH7803811 Ohio Community 49,130
LONGVIEW WATER DEPARTMENT WA5348100 Washington Community 49,111
JACKSONVILLE CITY OF NC0467010 North Carolina Community 49,093
EVERETT WATER DEPT. (MWRA) MA3093000 Massachusetts Community 49,075
WAUWATOSA WATERWORKS WI2410596 Wisconsin Community 49,064
CITY OF LAWRENCE UTILITIES IN5249005 Indiana Community 49,000
BRISTOL COUNTY WATER AUTHORITY RI1647515 Rhode Island Community 49,000
VALDOSTA GA1850002 Georgia Community 48,959
PINELLAS PARK WATER DEPT FL6521406 Florida Community 48,939
NORTHGLENN CITY OF CO0101115 Colorado Community 48,927
LEVITTOWN WATER DISTRICT NY2902832 New York Community 48,900
NAVAL STATION NORFOLK VA3710050 Virginia Community 48,826
MINOT CITY OF ND5100660 North Dakota Community 48,743
COOKEVILLE WATER DEPT TN0000133 Tennessee Community 48,711
SOUTHWEST METROPOLITAN WSD CO0103723 Colorado Community 48,648
AQUA PA WEST CHESTER PA1150098 Pennsylvania Community 48,600
Commonwealth Utilities Corp (Saipan) MP0000001 MP Community 48,524
CITY OF HUNTSVILLE TX2360001 Texas Community 48,522
MONROEVILLE MUNICIPAL AUTH PA5020027 Pennsylvania Community 48,500
CITY OF BREA CA3010002 California Community 48,479
EAST BRUNSWICK WATER UTILITY NJ1204001 New Jersey Community 48,474
NEWNAN UTILITIES GA0770002 Georgia Community 48,451
SANFORD, CITY OF NC0353010 North Carolina Community 48,350