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Browse Water Systems

433,347 public water systems.

Public Water Systems Database

Browse 433,347 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
VEOLIA WATER NEW JERSEY TOMS RIVER NJ1507005 New Jersey Community 123,184
CITY OF RICHARDSON TX0570015 Texas Community 122,615
CITY OF VALLEJO CA4810007 California Community 121,420
GRANGER-HUNTER IMPROVEMENT DISTRICT UTAH18007 Utah Community 121,083
CITY OF ORANGE CA3010027 California Community 120,770
FARGO CITY OF ND0900336 North Dakota Community 120,762
CONCORD, CITY OF NC0113010 North Carolina Community 120,548
CITY OF FAIRFIELD CA4810003 California Community 120,377
NJ AMERICAN WATER - ATLANTIC COUNTY NJ0119002 New Jersey Community 120,146
CITY OF LANCASTER PA7360058 Pennsylvania Community 120,000
WA OF WESTERN NASSAU NY2902830 New York Community 120,000
INDEPENDENCE PWS MO1010399 Missouri Community 120,000
COLUMBUS-PARSONS AVENUE WTP OH2500442 Ohio Community 119,329
AQUARION-STAMFORD CT1350011 Connecticut Community 119,214
MADISON COUNTY WATER DEPARTMENT AL0000888 Alabama Community 119,100
HIGH POINT, CITY OF NC0241020 North Carolina Community 118,399
LAKEHAVEN WATER AND SEWER DISTRICT WA5341997 Washington Community 118,273
CAMBRIDGE WATER DEPARTMENT MA3049000 Massachusetts Community 118,214
LCA ALLENTOWN DIVISION PA3390024 Pennsylvania Community 118,000
PAULDING COUNTY WATER SYSTEM GA2230002 Georgia Community 117,468
SPRINGFIELD IL1671200 Illinois Community 117,444
CITY OF BETHLEHEM PA3480046 Pennsylvania Community 117,259
WEST JORDAN CITY WATER SYSTEM UTAH18020 Utah Community 117,025
HARNETT REGIONAL WATER NC0343045 North Carolina Community 116,892
CLARK PUBLIC UTILITIES WA5313333 Washington Community 116,876
BUTLER CO. WATER DISTRICT 2 PWS OH0900303 Ohio Community 116,572
NEW BRAUNFELS UTILITIES TX0460001 Texas Community 116,477
SCHRIEVER WATER TREATMENT SERVICE AREA LA1109002 Louisiana Community 116,460
FAYETTEVILLE WATERWORKS AR0000569 Arkansas Community 116,398
PASCO WATER DEPARTMENT WA5366400 Washington Community 116,342
BROKEN ARROW MUNICIPAL AUTHORITY OK1021508 Oklahoma Community 116,330
PROVO CITY UTAH25006 Utah Community 116,288
HIGHLINE WATER DISTRICT WA5340650 Washington Community 115,950
FIRST U.D. OF KNOX COUNTY TN0000369 Tennessee Community 115,531
CITY OF BEAUMONT WATER UTILITY DEPT TX1230001 Texas Community 115,282
CITY OF ANTIOCH CA0710001 California Community 115,074
LOWELL REGIONAL WATER UTILITY MA3160000 Massachusetts Community 115,000
SOUTH BEND WATER WORKS IN5271014 Indiana Community 115,000
CLEARWATER WATER SYSTEM FL6520336 Florida Community 115,000
CAL-WATER SERVICE CO.-CHICO CA0410002 California Community 114,925
ELGIN IL0894380 Illinois Community 114,797
KENNEWICK CITY OF WA5338100 Washington Community 114,468
GOLDEN STATE WC - WEST ORANGE COUNTY CA3010022 California Community 114,379
PA AMERICAN-CANONS/WASHINGTON PA5630037 Pennsylvania Community 114,135
PUEBLO BOARD OF WW CO0151500 Colorado Community 114,070
BILLINGS CITY OF MT0000153 Montana Community 114,000
CITY OF CONROE TX1700001 Texas Community 113,912
OLYMPIA CITY OF WA5363450 Washington Community 113,584
VENTURA WATER DEPARTMENT CA5610017 California Community 113,500
VALLECITOS WD CA3710002 California Community 113,500