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
MISSION SPRINGS WD CA3310008 California Community 43,484
CITY OF HATTIESBURG MS0180008 Mississippi Community 43,449
HUBER HEIGHTS PUBLIC WATER SYSTEM OH5703612 Ohio Community 43,439
LIBERTY UTILITIES AR0000272 Arkansas Community 43,438
ATHENS,THE WATER WORKS BD OF THE CITY OF AL0000824 Alabama Community 43,431
BONNEY LAKE WATER DEPARTMENT CITY WA5307650 Washington Community 43,371
DIABLO WATER DISTRICT CA0710007 California Community 43,357
SPRINGFIELD WATER SYSTEM TN0000666 Tennessee Community 43,338
PA AMERICAN WATER CO BUTLER PA5100012 Pennsylvania Community 43,286
PA AMER WATER CO NEW CASTLE PA6370034 Pennsylvania Community 43,279
FORT CAMPBELL WATER SYSTEM TN0000820 Kentucky Community 43,270
BUFFALO GROVE IL0314180 Illinois Community 43,212
BRIDGEWATER ENGINEERING CO NJ1810211 New Jersey Transient Non-Community 43,200
CITY OF COPPELL TX0570040 Texas Community 43,193
CITY OF FRIENDSWOOD TX0840002 Texas Community 43,190
GSWC - NORWALK CA1910098 California Community 43,176
MONROE, CITY OF NC0190010 North Carolina Community 43,081
SOUTHINGTON WATER DEPARTMENT CT1310011 Connecticut Community 43,069
ST. AUGUSTINE WS FL2550210 Florida Community 43,069
DANVILLE, CITY OF VA5590100 Virginia Community 43,055
LEXINGTON PARK MD0180007 Maryland Community 43,030
POUGHKEEPSIE TOWNWIDE WD NY1302812 New York Community 43,000
MANHASSET LAKEVILLE WD NY2902836 New York Community 43,000
MASSAPEQUA WD NY2902837 New York Community 43,000
AQUA PA ROARING CREEK DIVISION PA4490024 Pennsylvania Community 43,000
WALLA WALLA WATER DIVISION WA5392500 Washington Community 42,959
FUQUAY-VARINA, TOWN OF NC0392055 North Carolina Community 42,954
SOUTHWEST REGIONAL WATER DISTRICT OH0903912 Ohio Community 42,856
Mankato MN1070009 Minnesota Community 42,803
MANASSAS, CITY OF VA6685100 Virginia Community 42,696
CITY OF SAN BRUNO CA4110023 California Community 42,631
TOWN OF PROSPER TX0430009 Texas Community 42,598
MIDLAND, CITY OF MI0004370 Michigan Community 42,547
MAINE WATER COMPANY BIDDEFORD SACO DIV ME0090170 Maine Community 42,508
ORO VALLEY WATER UTILITY AZ0410164 Arizona Community 42,316
PLAINFIELD TOWNSHIP MI0005370 Michigan Community 42,271
PHENIX CITY UTILITIES AL0001142 Alabama Community 42,267
CAMP PENDLETON (SOUTH) CA3710702 California Community 42,219
PRESCOTT CITY OF AZ0413045 Arizona Community 42,217
CITY OF ROSENBERG TX0790003 Texas Community 42,158
NEWPORT-CITY OF RI1592010 Rhode Island Community 42,155
SHELBY CO BD OF PUBLIC UTILITY TN0000773 Tennessee Community 42,150
BILLERICA WATER WORKS MA3031000 Massachusetts Community 42,119
KENTUCKY-AMERICAN WATER CO/RR KY0340909 Kentucky Community 42,000
GREENLAWN WATER DISTRICT NY5103271 New York Community 42,000
CRANBERRY TWP WTP PA5100094 Pennsylvania Community 42,000
ISU IA8503528 Iowa Community 42,000
SOUTH NORWALK ELECTRIC & WATER CT1030021 Connecticut Community 42,000
BURLINGTON DEPT PUBLIC WORKS WATER DIV VT0005053 Vermont Community 42,000
QUINCY IL0010650 Illinois Community 42,000