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
PIMA UTILITIES AZ0407120 Arizona Community 20,000
AMBLER BORO WATER DEPT PA1460020 Pennsylvania Community 20,000
BELMAR WATER DEPT NJ1306001 New Jersey Community 20,000
WIS RAPIDS WATER WORKS & LIGHTING COMM WI7720108 Wisconsin Community 20,000
FRANKLIN SQUARE WD NY2902822 New York Community 20,000
BARNEGAT TWP WATER SEWER NJ1533001 New Jersey Community 20,000
SALISBURY WATER DIVISION MA3259000 Massachusetts Community 20,000
SECURITY WATER DISTRICT CO0121775 Colorado Community 20,000
HERMISTON, CITY OF OR4100372 Oregon Community 20,000
OKEECHOBEE UTILITY AUTHORITY FL4470257 Florida Community 20,000
RAPIDES PARISH WATERWORKS DISTRICT 3 LA1079017 Louisiana Community 19,983
ONEONTA, UB OF THE CITY OF AL0000103 Alabama Community 19,971
DYERSBURG WATER DEPT TN0000211 Tennessee Community 19,970
OZARK UTILITIES BOARD AL0000441 Alabama Community 19,965
OREGON CITY OH4800911 Ohio Community 19,950
EVERGREEN PARK IL0310840 Illinois Community 19,943
CITY OF CROWLEY TX2200034 Texas Community 19,935
PA GAS & WATER COMPANY PA2359112 Pennsylvania Community 19,931
CLACKAMAS RIVER WATER - CLAIRMONT OR4100594 Oregon Community 19,928
SEMINOLE COUNTY NORTHEAST FL3590473 Florida Community 19,925
JACKSONVILLE IL1370200 Illinois Community 19,903
CAL AM - ROSEMONT CA3410034 California Community 19,892
MOKENA IL1970600 Illinois Community 19,887
SHERWOOD, CITY OF OR4100816 Oregon Community 19,885
NEW CASTLE UTILITIES IN5233011 Indiana Community 19,880
NORWOOD CITY PWS OH3101703 Ohio Community 19,870
GLADEVILLE UTILITY DISTRICT TN0000264 Tennessee Community 19,813
BOONE, TOWN OF NC0195010 North Carolina Community 19,811
COMMERCE TOWNSHIP MI0001573 Michigan Community 19,811
HUMBOLDT C.S.D. CA1210009 California Community 19,807
MIAMISBURG CITY PWS OH5701212 Ohio Community 19,790
CENTRAL POINT, CITY OF OR4100178 Oregon Community 19,785
LAKE ZURICH IL0970850 Illinois Community 19,759
WAYNESVILLE, TOWN OF NC0144010 North Carolina Community 19,758
NORTHWESTERN W AND SD - TOLEDO SVC AREA OH8752812 Ohio Community 19,758
WOODSTOCK GA0570003 Georgia Community 19,742
ALLENDALE TOWNSHIP MI0000127 Michigan Community 19,725
SAPULPA OK1020404 Oklahoma Community 19,702
CSU WTP NO. 1 FL6605038 Florida Community 19,699
VC/SOUTHWEST WATER SYSTEM FL3641336 Florida Community 19,672
HARRIS COUNTY FWSD 51 TX1010238 Texas Community 19,671
ARVIN COMMUNITY SERVICES DIST CA1510001 California Community 19,669
PAMLICO COUNTY WATER NC0469025 North Carolina Community 19,665
BELLE CHASSE WATER DISTRICT LA1075001 Louisiana Community 19,644
LAKE FOREST IL0970800 Illinois Community 19,642
LIBERAL, CITY OF KS2017504 Kansas Community 19,640
SMITHTOWN WATER DISTRICT NY5105656 New York Community 19,635
SIESTA KEY UTILITIES AUTHORITY FL6581641 Florida Community 19,620
CITY OF MANOR TX2270002 Texas Community 19,620
MOUNTAIN HOME WATERWORKS AR0000025 Arkansas Community 19,618