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
CASSATT WTR KERSHAW-LEE CO RWA SC2820005 South Carolina Community 25,485
GURABO URBANO PR0005096 PR Community 25,469
NORTHWEST HARRIS COUNTY MUD 5 TX1010884 Texas Community 25,425
DERBY, CITY OF KS2017328 Kansas Community 25,413
CITY OF KINGSVILLE TX1370001 Texas Community 25,402
WASHINGTON CO RWD #3 (NEW,#1) OK1021418 Oklahoma Community 25,375
SUMMIT TOWNSHIP MI0006450 Michigan Community 25,355
BELVIDERE IL0070050 Illinois Community 25,339
CITY OF SOUTH PASADENA CA1910154 California Community 25,329
CITY OF RICHMOND TX0790023 Texas Community 25,326
SHADY GROVE UTILITY DISTRICT TN0000626 Tennessee Community 25,320
MORTON GROVE IL0311950 Illinois Community 25,297
LONG BEACH TWP BRANT BEA NJ1517001 New Jersey Community 25,295
Prior Lake MN1700007 Minnesota Community 25,282
CITY OF KATY TX1010017 Texas Community 25,253
SUNNY SLOPE WATER CO. CA1910157 California Community 25,252
MONROE GA2970001 Georgia Community 25,248
KINGSLAND GA0390000 Georgia Community 25,245
THOMAS BULL MEMORIAL PARK NY0017593 New York Transient Non-Community 25,229
JOHNSTON CO-EAST NC4051018 North Carolina Community 25,212
CARROLLTON GA0450002 Georgia Community 25,200
COLUMBIA WATER CO PA7360123 Pennsylvania Community 25,200
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
ANACORTES CITY OF WA5302200 Washington Community 25,109
FORT PAYNE, THE WW BD OF THE CITY OF AL0000509 Alabama Community 25,107
WELLBORN SUD TX0210016 Texas Community 25,092
DHS BORDER PATROL HWY 94 CHECKPOINT CA3710053 California Non-Transient Non-Community 25,083
INKSTER MI0003360 Michigan Community 25,076
AUERBACH FARMS CA3700044 California Non-Transient Non-Community 25,068
NORCO, CITY OF CA3310025 California Community 25,068
EASTON WATER DIV MA4088000 Massachusetts Community 25,058
DAYTON WATER DEPT TN0000174 Tennessee Community 25,054
ANTELOPE VALLEY POPPY RESERVE STATE PARK CA1910303 California Transient Non-Community 25,007
LAVALLETTE WATER DEPT NJ1515001 New Jersey Community 25,000
NORTH PLATTE, CITY OF NE3111106 Nebraska Community 25,000
ROCHESTER WATER DEPT NH2001010 New Hampshire Community 25,000
HENDERSONVILLE CITY OF WA SYS NC0145015 North Carolina Community 25,000
REHOBOTH BEACH WATER DEPARTMENT DE0000723 Delaware Community 25,000
BRISTOL VA WATER FILTRATION PL VA1191060 Virginia Community 25,000
COACHELLA VALLEY CWD CA3310053 California Community 25,000
FORT FOOTE PLANT WSSC MD0000029 Maryland Community 25,000
ARLINGTON GRID (JEA) FL2161326 Florida Community 25,000
MIAMI INTL AIRPORT FL4134513 Florida Non-Transient Non-Community 25,000
FORT MILL TOWN OF (SC4610003) SC4610003 South Carolina Community 25,000
CITY OF BOWIE MD0160002 Maryland Community 25,000