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
CITY OF WESTMINSTER CA3010064 California Community 90,911
CITY OF SUGAR LAND TX0790005 Texas Community 90,909
LIMESTONE COUNTY WATER & SEWER AUTH. AL0000833 Alabama Community 90,900
SANTA FE WATER SYSTEM (CITY OF) NM3505126 New Mexico Community 90,810
SALEM AND BEVERLY WATER SUPPLY BOARD MA3030001 Massachusetts Community 90,330
MACOMB TOWNSHIP MI0003990 Michigan Community 90,000
Brooklyn Park MN1270005 Minnesota Community 89,995
SANTA MONICA-CITY, WATER DIVISION CA1910146 California Community 89,947
ROCK HILL CITY OF (SC4610002) SC4610002 South Carolina Community 89,850
SOUTH JORDAN CITY UTAH18023 Utah Community 89,704
CLEAR LAKE CITY WATER AUTHORITY TX1010056 Texas Community 89,702
CITY OF REDDING CA4510005 California Community 89,628
PLACER CWA - FOOTHILL CA3110025 California Community 89,544
SJWD MIDDLE TYGER WTP (SC4220006) SC4220006 South Carolina Community 89,531
NORTH MIAMI, CITY OF FL4130977 Florida Community 89,349
CITY OF MANSFIELD TX2200018 Texas Community 89,227
MO AMERICAN ST JOSEPH MO1010714 Missouri Community 89,171
LAWRENCE WATER WORKS MA3149000 Massachusetts Community 89,143
NEWTON WATER DEPT. (MWRA) MA3207000 Massachusetts Community 88,931
PA AMERICAN NORRISTOWN PA1460046 Pennsylvania Community 88,885
PENNICHUCK WATER WORKS NH1621010 New Hampshire Community 88,853
MARYSVILLE UTILITIES WA5351900 Washington Community 88,582
BEAVERTON, CITY OF OR4100081 Oregon Community 88,045
WINTER HAVEN WATER DEPARTMENT FL6531992 Florida Community 87,537
DAYTONA BEACH, CITY OF FL3640275 Florida Community 87,534
EPCOR - SAN TAN AZ0411128 Arizona Community 87,435
OGDEN CITY WATER SYSTEM UTAH29011 Utah Community 87,267
ROCKDALE CO. WATER SYSTEM GA2470000 Georgia Community 87,156
WAUKEGAN IL0971900 Illinois Community 87,149
WEST WILSON UTILITY DISTRICT TN0000743 Tennessee Community 86,978
CITY OF CEDAR PARK TX2460009 Texas Community 86,939
FAYETTE COUNTY GA1130001 Georgia Community 86,934
Duluth MN1690011 Minnesota Community 86,859
INDIANA AMERICAN WATER - JOHNSON COUNTY IN5241005 Indiana Community 86,813
GREENBURGH CONSOLIDATED WD #1 NY5903429 New York Community 86,624
ORANGE WATER & SEWER AUTHORITY NC0368010 North Carolina Community 86,500
OLIVENHAIN MWD CA3710029 California Community 86,458
CHINO, CITY OF CA3610012 California Community 86,435
AQUA WSC TX0110013 Texas Community 86,325
FORT SMITH WATER UTILITIES AR0000507 Arkansas Community 86,209
BESSEMER WATER SERVICE AL0000737 Alabama Community 86,091
WESTERN MWD CA3310049 California Community 86,062
CITY OF BAYTOWN TX1010003 Texas Community 86,004
FKAA J. ROBERT DEAN W.T.P. FL4134357 Florida Community 86,000
HARLINGEN WATER WORKS SYSTEM TX0310002 Texas Community 85,900
TROY MI0006690 Michigan Community 85,854
SIOUX CITY WATER SUPPLY IA9778054 Iowa Community 85,791
LATHAM WATER DISTRICT NY0100198 New York Community 85,590
PLANTATION, EAST ; CENTRAL FL4061121 Florida Community 85,496
WESTLAND MI0007040 Michigan Community 85,420