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
BEDFORD REGIONAL WATER AUTHORITY (BRWA) VA5019052 Virginia Community 38,794
LEAVENWORTH WATER DEPARTMENT KS2010317 Kansas Community 38,757
LA VERGNE WATER SYSTEM TN0000386 Tennessee Community 38,730
MURRAY CITY WATER SYSTEM UTAH18024 Utah Community 38,723
PELHAM WATER WORKS AL0001163 Alabama Community 38,703
WARRIOR RIVER WATER AUTHORITY AL0000763 Alabama Community 38,700
KEIZER, CITY OF OR4100744 Oregon Community 38,585
NORTH COAST COUNTY WATER DIST CA4110025 California Community 38,546
CITY AND BOROUGH OF JUNEAU AK2110342 Alaska Community 38,526
NEWTOWN ARTESIAN WATER CO PA1090043 Pennsylvania Community 38,500
OLDHAM COUNTY WATER DISTRICT KY0930333 Kentucky Community 38,409
MARINA COAST WATER DISTRICT CA2710017 California Community 38,377
SHREWSBURY WATER DEPARTMENT MA2271000 Massachusetts Community 38,325
CHELSEA WATER DEPT. (MWRA) MA3057000 Massachusetts Community 38,319
MUSKOGEE OK1021607 Oklahoma Community 38,310
GOLDEN CITY OF CO0130040 Colorado Community 38,288
ENGLEWOOD WATER DIST FL6580531 Florida Community 38,265
GSWC - CULVER CITY CA1910030 California Community 38,213
ELECTRIC CITY UTILITIES (SC0410012) SC0410012 South Carolina Community 38,204
OSWEGO IL0930150 Illinois Community 38,169
LINCOLN PARK MI0003870 Michigan Community 38,144
TEJON CASTAC WD - I5 & LAVAL RD CA1503341 California Community 38,125
NOB HILL WATER ASSOCIATION WA5359700 Washington Community 38,050
FLORISSANT MO6010282 Missouri Community 38,046
MILCROFTON UTILITY DISTRICT TN0000247 Tennessee Community 38,032
ADDISON IL0430050 Illinois Community 38,017
EPCOR - SUN CITY AZ0407099 Arizona Community 38,016
IBM WELL WATER SYSTEM VT0009107 Vermont Transient Non-Community 38,000
MOON TWP MUNI AUTH PA5020011 Pennsylvania Community 38,000
CARPENTERSVILLE IL0890200 Illinois Community 37,983
MONROVIA-CITY, WATER DEPT. CA1910090 California Community 37,931
SCHOFIELD BARRACKS HI0000345 Hawaii Community 37,920
TORRINGTON WATER COMPANY CT1430011 Connecticut Community 37,915
NEW BERN, CITY OF NC0425010 North Carolina Community 37,884
CRAVEN COUNTY WATER SYSTEM NC0425055 North Carolina Community 37,848
REYNOLDSBURG CITY PWS OH2503203 Ohio Community 37,847
HOLYOKE WATER WORKS MA1137000 Massachusetts Community 37,838
IA REGIONAL UTILITIES ASSOC (WAVERLY) IA0990701 Iowa Community 37,820
GCWSD WACCAMAW NECK (SC2220010) SC2220010 South Carolina Community 37,790
GERMANTOWN WATER DEPT TN0000262 Tennessee Community 37,738
BRISTOL DEPARTMENT OF UTILITIES TN0000073 Tennessee Community 37,648
REDMOND WATER DEPARTMENT OR4100693 Oregon Community 37,566
JBSA - SAM HOUSTON TX0150116 Texas Community 37,563
USMC LEJEUNE--HADNOT POINT NC0467041 North Carolina Community 37,500
BOUNTIFUL CITY WATER SYSTEM UTAH06015 Utah Community 37,500
SENECA CITY OF (SC3710002) SC3710002 South Carolina Community 37,478
HANOVER PARK IL0314480 Illinois Community 37,470
BYRON-GAINES UTILITY AUTHORITY MI0001023 Michigan Community 37,464
OCPU/NORTHWESTERN WATER SYSTEM FL3481081 Florida Community 37,443
GLOUCESTER PUBLIC UTILITY DIVISION MA3107000 Massachusetts Community 37,440