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
PORTAGE BORO MUNI AUTH PA4110027 Pennsylvania Community 6,500
LITTLETON WATER AND LIGHT NH1381010 New Hampshire Community 6,500
MONACA BORO WATER DEPT PA5040039 Pennsylvania Community 6,500
MD ANDERSON CANCER CENTER ALKEK TX1013339 Texas Non-Transient Non-Community 6,500
STRATMOOR HILLS WSD CO0121800 Colorado Community 6,500
MOREHEAD STATE UNIVERSITY KY1030480 Kentucky Community 6,500
NOVARTIS PHARMACEUTICALS CORP NJ1410300 New Jersey Non-Transient Non-Community 6,500
NORTH VERNON WATER DEPARTMENT IN5240008 Indiana Community 6,500
PSMCSD - PAJARO CA2710020 California Community 6,500
CITY OF MACCLENNY FL2020204 Florida Community 6,500
DEVENS MASSDEVELOPMENT MA2019001 Massachusetts Community 6,500
BALLYS PARK PLACE CASINO NJ0102302 New Jersey Non-Transient Non-Community 6,500
ORANGE CO I-85 RA S-B NC0368154 North Carolina Transient Non-Community 6,500
MEDINA VILLAGE NY3600600 New York Community 6,500
BARNESVILLE OH0700011 Ohio Community 6,500
DERRY BORO MUNI AUTH PA5650049 Pennsylvania Community 6,500
SHELL SERVICE STATION FL4501295 Florida Transient Non-Community 6,500
MIRAMAR WEST WATER SYSTEM FL4060926 Florida Community 6,500
WESTERN & HOWARD SHOPPING PLAZ IL3004093 Illinois Transient Non-Community 6,500
WESTERN & HOWARD SHOPPING PLAZ IL0004093 Illinois Transient Non-Community 6,500
PORT CLINTON CITY OH6203211 Ohio Community 6,500
OUTLET SHOPS AT GETTYSBURG PA7010952 Pennsylvania Non-Transient Non-Community 6,500
NORTHERN ILLINOIS UNIVERSITY-DEKALB IL0375500 Illinois Community 6,500
CATERPILLAR INC R ANDERSON IL3055889 Illinois Non-Transient Non-Community 6,500
TYRONE BORO WATER AUTH PA4070021 Pennsylvania Community 6,500
LAKE OF THE SPRINGS CA5800809 California Non-Transient Non-Community 6,500
MARYLAND HOUSE OF CORRECTION MD0020022 Maryland Community 6,500
BOULDER VALLEY WTR & SAN DIST CO0079939 Colorado Community 6,500
SPRINGFIELD STATE HOSPITAL MD0002772 Maryland Community 6,500
WATERVILLE CITY OH4801503 Ohio Community 6,500
ENOCH CITY WATER SYSTEM UTAH11004 Utah Community 6,500
MARYLAND HOUSE OF CORRECTION MD0002500 Maryland Community 6,500
SANTA CLARITA VALLEY W.A.-TESORO DIV. CA1910255 California Community 6,499
TOWN OF FORT MYERS BEACH (BEACH WATER) FL5364145 Florida Community 6,499
SHERIDAN, CITY OF OR4100811 Oregon Community 6,494
MADERA VALLEY WATER COMPANY CA2010010 California Community 6,494
RITTMAN CITY PWS OH8503012 Ohio Community 6,491
SUNRISE WATER COMPANY AZ0407070 Arizona Community 6,490
WASHINGTON GA3170002 Georgia Community 6,490
INTRACOASTAL WATER SYSTEM WEST LA1047002 Louisiana Community 6,489
DOUGLAS COUNTY CARSON VALLEY SYSTEM NV0002216 Nevada Community 6,488
CITY OF PARKER TX0430045 Texas Community 6,486
LARCHMONT VILLAGE NY5903433 New York Community 6,485
CANNON PWSD 1 MO2024500 Missouri Community 6,482
WICKENBURG TOWN OF AZ0407045 Arizona Community 6,481
VEOLIA NEWBERRY SYSTEM PA7670061 Pennsylvania Community 6,480
VINITA UTILITIES AUTHORITY OK1021611 Oklahoma Community 6,472
NCTAMS EASTPAC HI0000357 Hawaii Community 6,470
ISHPEMING MI0003440 Michigan Community 6,470
ROATS WATER SYSTEM OR4100113 Oregon Community 6,469