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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
MAYAGUEZ PR0003283 PR Community 151,555
CITY OF KILLEEN TX0140006 Texas Community 151,261
MONTGOMERY COUNTY WATER SERVICES 1 PWS OH5701315 Ohio Community 150,207
CITY OF DENTON TX0610002 Texas Community 150,037
MONTGOMERY CO:WATER SYSTEM # 1 OH5701303 Ohio Community 150,000
DEL-CO WATER COMPANY, INC. OH2101412 Ohio Community 150,000
ECWA WOODLAWN PLANT NY1400444 New York Community 150,000
ARNOLD WTP % ANNAPOLIS DPW MD0002869 Maryland Community 150,000
OCEAN CITY MD0002623 Maryland Community 150,000
KENTON CO W D/COVINGTON PLANT KY0190087 Kentucky Community 150,000
IL AMERICAN-CHAMPAIGN IL0195300 Illinois Community 150,000
CWS - VISALIA CA5410016 California Community 148,496
IOWA-AMERICAN WTR CO-DAVENPORT IA8222001 Iowa Community 147,720
HOLLYWOOD, CITY OF FL4060642 Florida Community 147,566
MERIDIAN WATER DEPT ID4010097 Idaho Community 147,340
ROCKFORD IL2010300 Illinois Community 147,051
VEOLIA WATER NEW YORK, INC. RD-1 NY5903444 New York Community 146,732
PA GAS & WATER COMPANY PA2359113 Pennsylvania Community 146,568
PA GAS & WATER COMPANY PA2359111 Pennsylvania Community 146,568
CITY OF WACO TX1550008 Texas Community 146,241
RANCHO CALIFORNIA WATER DISTRICT CA3310038 California Community 146,147
BJW&SA (0720003) SC0720003 South Carolina Community 145,634
HERNANDO CO UTL-WEST FL6277059 Florida Community 145,204
CALIFORNIA WATER SERVICE CO. - DOMINGUEZ CA1910033 California Community 143,996
OLATHE, CITY OF KS2009115 Kansas Community 143,014
MAWC SWEENEY PLANT PA5650032 Pennsylvania Community 143,000
BRUNSWICK COUNTY WATER SYSTEM NC0410045 North Carolina Community 142,227
GENERAL WTRWKS SOUTH FLA DIST FL4130524 Florida Community 142,200
CEDAR RAPIDS WATER DEPARTMENT IA5715093 Iowa Community 141,831
DAYTON PUBLIC WATER SYSTEM OH5703512 Ohio Community 141,407
PA GAS & WATER COMPANY PA2409111 Pennsylvania Community 141,281
MONTGOMERY CO,GR.MORAINE-BV.CR OH5701312 Ohio Community 141,000
CITY OF LEWISVILLE TX0610004 Texas Community 140,880
PALM BAY, CITY OF FL3050442 Florida Community 140,750
CHESTER WATER AUTHORITY PA1230004 Pennsylvania Community 140,437
W JEFFERSON WW DISTRICT 2 LA1051004 Louisiana Community 140,264
SPARTANBURG WATER SYSTEM (4210001) SC4210001 South Carolina Community 140,024
GAINESVILLE GA1390001 Georgia Community 140,000
BELLINGHAM-WATER DIVISION CITY OF WA5305600 Washington Community 139,912
CITY OF FULLERTON CA3010010 California Community 139,461
GWA NORTHERN WATER SYSTEM GU0000006 GU Community 139,207
GUAM INTERNATIONAL AIRPORT AUTHORITY GU0000018 GU Non-Transient Non-Community 138,336
PORT ST. LUCIE UTILITIES JEA FL4565200 Florida Community 138,125
IL AMERICAN-PEORIA IL1435030 Illinois Community 137,575
BELLWOOD PRESSURE ZONE VA4041036 Virginia Community 137,500
ESCONDIDO, CITY OF CA3710006 California Community 137,044
CFTOD CENTRAL (4 WPS) FL3484093 Florida Community 136,500
PWCSA - WEST VA6153251 Virginia Community 136,409
CITY OF CARROLLTON TX0570034 Texas Community 136,170
VICTORVILLE WATER DISTRICT CA3610052 California Community 135,983