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
LAGUNA MADRE WATER DISTRICT TX0310005 Texas Community 46,674
ATTLEBORO WATER DEPT MA4016000 Massachusetts Community 46,654
PRATTVILLE, THE WW BOARD OF THE CITY OF AL0000017 Alabama Community 46,614
ROCKETT SUD TX0700033 Texas Community 46,614
O FALLON IL1631100 Illinois Community 46,603
CITY OF CAMDEN NJ0408001 New Jersey Community 46,585
CHARLOTTESVILLE, CITY OF VA2540500 Virginia Community 46,553
CAGUAS NORTE PR0005086 PR Community 46,530
COLTON, CITY OF CA3610014 California Community 46,525
NORWOOD FL2160816 Florida Community 46,520
SALINA, CITY OF KS2016914 Kansas Community 46,481
ELKHART PUBLIC WORKS AND UTILITIES IN5220008 Indiana Community 46,455
MEDINA CO/NORTHWEST PWS OH5201903 Ohio Community 46,324
AQUA OHIO - MARION OH5100414 Ohio Community 46,317
CITY OF KELLER TX2200096 Texas Community 46,308
ARLINGTON WATER DEPT. (MWRA) MA3010000 Massachusetts Community 46,308
BELLFLOWER - SOMERSET MWC CA1910013 California Community 46,300
SEBRING WATER ; SEWER SYSTEM FL6280250 Florida Community 46,295
PORTAGE MI0005520 Michigan Community 46,292
CITY OF HALTOM CITY TX2200014 Texas Community 46,260
FREDERICK WATER VA2069250 Virginia Community 46,206
GORDONS CORNER WATER CO NJ1326001 New Jersey Community 46,196
DUNEDIN WATER SYSTEM FL6520486 Florida Community 46,161
SALISBURY-ROWAN NC0180010 North Carolina Community 46,156
FLOYD COUNTY GA1150001 Georgia Community 46,143
IL AMERICAN-ALTON IL1195150 Illinois Community 46,127
BRAZORIA COUNTY MUD 18 TX0200582 Texas Community 46,000
NESHAMINY CREEK WATER PLANT PA1090110 Pennsylvania Community 46,000
OKLAHOMA CITY OVERHOLSER OK1020502 Oklahoma Community 46,000
CLEVELAND HEIGHTS CITY PWS OH1800403 Ohio Community 46,000
ELLICOTT CITY MD0130003 Maryland Community 46,000
WASHINGTON CITY UTAH27021 Utah Community 45,865
WOONSOCKET WATER DIVISION RI1559518 Rhode Island Community 45,828
RANDOLPH/HOLBROOK JOINT WATER BOARD MA4244001 Massachusetts Community 45,767
BRUNSWICK REGIONAL WATER AND SEWER H2GO NC0410070 North Carolina Community 45,748
OPELIKA, WW BD. OF THE CITY OF AL0000816 Alabama Community 45,621
URBANDALE WATER UTILITY IA7780042 Iowa Community 45,605
RIVERTON CITY WATER SYSTEM UTAH18025 Utah Community 45,600
ROME GA1150002 Georgia Community 45,586
INDIANA AMERICAN WATER - NOBLESVILLE IN5229015 Indiana Community 45,575
METROPOLITAN DWID AZ0410076 Arizona Community 45,570
CITY OF SAN JOSE - NSJ/ALVISO CA4310019 California Community 45,559
EVESHAM MUA NJ0313001 New Jersey Community 45,538
SOUTH BRUNSWICK TWP W DI NJ1221004 New Jersey Community 45,450
CITY OF THE COLONY TX0610081 Texas Community 45,367
SAYREVILLE W DEPT NJ1219001 New Jersey Community 45,345
WEIR RIVER WATER SYSTEM MA4131000 Massachusetts Community 45,339
Central ASG AS9711948 AS Community 45,315
WALTON CO. WATER & SEWER AUTH. GA2970008 Georgia Community 45,230
NORTH SUMTER UTILITY 3WPS FL6605012 Florida Community 45,214