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
UPPER CAPE REGIONAL WATER COOPERATIVE MA4261024 Massachusetts Community 56,250
COVINGTON WATER DISTRICT WA5341650 Washington Community 56,172
TWIN FALLS CITY OF ID5420058 Idaho Community 56,121
ROWLAND WATER DISTRICT CA1910194 California Community 56,100
CITY OF PORT ARTHUR TX1230009 Texas Community 56,039
MONTE VISTA WD CA3610029 California Community 56,017
HEMPSTEAD (V) NY2902827 New York Community 56,000
BOZEMAN CITY OF MT0000161 Montana Community 56,000
CITY OF SOUTHAVEN MS0170018 Mississippi Community 56,000
MIDWEST CITY OK1020806 Oklahoma Community 55,935
ROCKY MOUNT, CITY OF NC0464010 North Carolina Community 55,891
LIBERTY WATER LPSCO AZ0407046 Arizona Community 55,810
CHICOPEE WATER DEPT (MWRA) MA1061000 Massachusetts Community 55,560
LOGAN CITY WATER SYSTEM UTAH03010 Utah Community 55,540
SARASOTA-CITY OF FL6580326 Florida Community 55,364
ANDERSON WATER DEPARTMENT IN5248002 Indiana Community 55,212
PARAMOUNT - CITY, WATER DEPT. CA1910105 California Community 55,200
AMES WATER TREATMENT PLANT IA8503039 Iowa Community 55,177
MOORE PUBLIC WORKS AUTHORITY OK2001412 Oklahoma Community 55,083
TOWNSHIP OF WAYNE NJ1614001 New Jersey Community 55,000
NEW BRUNSWICK W DEPT NJ1214001 New Jersey Community 55,000
SOUTHGATE WSD CO0103721 Colorado Community 55,000
LAUDERHILL, CITY OF FL4060787 Florida Community 55,000
EAST MEADOW WATER DISTRICT NY2902819 New York Community 54,900
CITY OF EAGLE PASS TX1620001 Texas Community 54,900
GSWC - BELL, BELL GARDENS CA1910011 California Community 54,877
CAL AM - SUBURBAN ROSEMONT CA3410010 California Community 54,793
MANHATTAN, CITY OF KS2016112 Kansas Community 54,763
KANNAPOLIS, CITY OF NC0180065 North Carolina Community 54,757
PARRISH MOBILE HOME PARK NC0332427 North Carolina Transient Non-Community 54,750
CASSELBERRY, CITY OF (3 WPS) FL3590159 Florida Community 54,747
CONSOLIDATED MUTUAL WATER COMPANY CO0130145 Colorado Community 54,669
BCWWS 2A FL4060163 Florida Community 54,622
LAKE HAVASU CITY OF AZ0408022 Arizona Community 54,610
OAK PARK IL0312250 Illinois Community 54,583
WEST SIDE CONSOLIDATED FL6421144 Florida Community 54,542
CITY OF LINCOLN CA3110004 California Community 54,538
CERES, CITY OF CA5010028 California Community 54,513
PEABODY WATER DEPT. MA3229000 Massachusetts Community 54,481
Minnetonka MN1270031 Minnesota Community 54,474
RIALTO, CITY OF CA3610038 California Community 54,453
CITY OF TEXAS CITY TX0840008 Texas Community 54,357
GREENWICH WATER CO NY5903483 New York Community 54,304
COEUR D ALENE CITY OF ID1280053 Idaho Community 54,115
MADISON, THE W & WW BOARD OF THE CITY OF AL0000885 Alabama Community 54,114
FINDLAY CITY PWS OH3200111 Ohio Community 54,040
CITY OF OLIVE BRANCH MS0170015 Mississippi Community 54,025
ROSWELL MUNICIPAL WATER SYSTEM NM3520203 New Mexico Community 54,025
GREER CPW (SC2310005) SC2310005 South Carolina Community 54,024
CITY OF FREDERICK MD0100015 Maryland Community 54,000