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
CITY OF KATY TX1010017 Texas Community 25,253
SUNNY SLOPE WATER CO. CA1910157 California Community 25,252
THOMAS BULL MEMORIAL PARK NY0017593 New York Transient Non-Community 25,229
SABANA GRANDE PR0003333 PR Community 25,229
CARROLLTON GA0450002 Georgia Community 25,200
COLUMBIA WATER CO PA7360123 Pennsylvania Community 25,200
CITY OF PARIS TX1390002 Texas Community 25,171
WEST CHICAGO IL0430900 Illinois Community 25,166
NEWBERG, CITY OF OR4100557 Oregon Community 25,138
FOUNTAIN CITY OF CO0121275 Colorado Community 25,130
LOMA LINDA, CITY OF CA3610013 California Community 25,129
MADISON CO UTILITIES DISTRICT KY0760224 Kentucky Community 25,120
GORGE AMPHITHEATRE WA5362514 Washington Transient Non-Community 25,119
FORT PAYNE, THE WW BD OF THE CITY OF AL0000509 Alabama Community 25,107
DHS BORDER PATROL HWY 94 CHECKPOINT CA3710053 California Non-Transient Non-Community 25,083
INKSTER MI0003360 Michigan Community 25,076
NORCO, CITY OF CA3310025 California Community 25,068
AUERBACH FARMS CA3700044 California Non-Transient Non-Community 25,068
WELLBORN SUD TX0210016 Texas Community 25,065
DAYTON WATER DEPT TN0000174 Tennessee Community 25,054
ANTELOPE VALLEY POPPY RESERVE STATE PARK CA1910303 California Transient Non-Community 25,007
BRISTOL VA WATER FILTRATION PL VA1191060 Virginia Community 25,000
MORAINE STATE PARK W S PA5100100 Pennsylvania Transient Non-Community 25,000
HENDERSONVILLE CITY OF WA SYS NC0145015 North Carolina Community 25,000
FORT FOOTE PLANT WSSC MD0000029 Maryland Community 25,000
ILLINOIS SYNOD L.C.A. IL0001867 Illinois Transient Non-Community 25,000
ILLINOIS SYNOD L.C.A. IL0001859 Illinois Transient Non-Community 25,000
ARLINGTON GRID (JEA) FL2161326 Florida Community 25,000
COACHELLA VALLEY CWD CA3310053 California Community 25,000
CITY OF CLINTON MS0250003 Mississippi Community 25,000
CITY OF BOWIE MD0160002 Maryland Community 25,000
ROCHESTER WATER DEPT NH2001010 New Hampshire Community 25,000
LOS ALAMOS MUNICIPAL WATER SYSTEM NM3500115 New Mexico Community 25,000
FORT MILL TOWN OF (SC4610003) SC4610003 South Carolina Community 25,000
NORTH PLATTE, CITY OF NE3111106 Nebraska Community 25,000
KALISPELL PUBLIC WORKS MT0000259 Montana Community 25,000
ELMWOOD PARK IL0310780 Illinois Community 25,000
LAVALLETTE WATER DEPT NJ1515001 New Jersey Community 25,000
MIAMI INTL AIRPORT FL4134513 Florida Non-Transient Non-Community 25,000
ORCHARD DALE WATER DISTRICT CA1910101 California Community 25,000
REHOBOTH BEACH WATER DEPARTMENT DE0000723 Delaware Community 25,000
HARVEY IL0311110 Illinois Community 25,000
BERMUDA WATER COMPANY INC AZ0408063 Arizona Community 25,000
EAST WINDSOR MUA NJ1101002 New Jersey Community 25,000
CLINTON COUNTY FAIR NY0930127 New York Transient Non-Community 25,000
PATTERSON, CITY OF CA5010017 California Community 24,977
MANCHESTER WATER DEPARTMENT TN0000429 Tennessee Community 24,975
GURABO URBANO PR0005096 PR Community 24,967
SOUTH WATER TREATMENT PLANT (SWTP) 055294506 Minnesota Community 24,959
SUNNYSLOPE COUNTY WATER DIST CA3510003 California Community 24,954