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
YAKIMA WATER DIVISION CITY OF WA5399150 Washington Community 112,858
CITY OF PALM COAST UTILITY FL2180863 Florida Community 112,324
BOYNTON BEACH PWS FL4500145 Florida Community 112,000
PONCE URBANO PR0003824 PR Community 111,926
SKAGIT COUNTY PUD 1 JUDY RES WA5379500 Washington Community 111,415
MURFREESBORO WATER DEPARTMENT TN0000491 Tennessee Community 111,365
MUSTANG SUD TX0610036 Texas Community 110,826
DOWNEY - CITY, WATER DEPT. CA1910034 California Community 110,556
TOHO WATER AUTHORITY EASTERN FL3490751 Florida Community 110,102
GREAT OAKS WC INC CA4310022 California Community 110,088
AZUSA LIGHT AND WATER CA1910007 California Community 110,044
TONAWANDA WD#6 NY0004553 New York Community 110,000
MESA WATER DISTRICT CA3010004 California Community 110,000
VEOLIA WATER PA7220015 Pennsylvania Community 110,000
TOWN OF HEMPSTEAD WATER DEPARTMENT NY2900000 New York Community 110,000
DEARBORN MI0001730 Michigan Community 109,976
SAN BERNARDINO VALLEY WD CA3610019 California Community 109,608
ALAN BIBLE VISITORS CENTER NV0003015 Nevada Transient Non-Community 109,500
CITY OF SANTA MARIA UTILITIES DEPARTMENT CA4210011 California Community 109,477
EAST VALLEY WATER DISTRICT CA3610064 California Community 108,629
RENTON CITY OF WA5371850 Washington Community 108,091
BALDWIN ASSN IL0044958 Illinois Transient Non-Community 108,000
WILMINGTON WATER DEPARTMENT DE0000663 Delaware Community 107,976
KINGSPORT WATER DEPT TN0000349 Tennessee Community 107,739
Auburn City of WA5303350 Washington Community 107,655
GREEN BAY WATERWORKS WI4050356 Wisconsin Community 107,369
RIO RANCHO WATER & WW SERVICES NM3509623 New Mexico Community 107,350
WATERBURY WATER DEPARTMENT CT1510011 Connecticut Community 107,271
CANTON PUBLIC WATER SYSTEM OH7608112 Ohio Community 107,113
CITY OF TYLER TX2120004 Texas Community 107,000
CASTLE ROCK TOWN OF CO0118010 Colorado Community 106,822
RICHLAND CITY OF WA5372250 Washington Community 106,499
TORRANCE-CITY, WATER DEPT. CA1910213 California Community 106,183
BROOMFIELD CITY AND COUNTY OF CO0107155 Colorado Community 106,153
MEDFORD WATER COMMISSION OR4100513 Oregon Community 106,068
CAL-AM WATER CORONADO CA3710001 California Community 106,000
QUINCY WATER DEPT. (MWRA) MA3243000 Massachusetts Community 106,000
GULL POINT STATE PARK IA3050928 Iowa Transient Non-Community 105,965
INIMA USA / AQUARIA LLC MA4076004 Massachusetts Community 105,643
BROCKTON WATER DEPARTMENT MA4044000 Massachusetts Community 105,643
BURBANK-CITY, WATER DEPT. CA1910179 California Community 105,603
ST GEORGE CITY WATER SYSTEM UTAH27015 Utah Community 105,240
CITY OF SAN ANGELO TX2260001 Texas Community 105,229
LACEY WATER DEPARTMENT WA5343500 Washington Community 105,178
PA AMERICAN WATER CO WEST PA7210029 Pennsylvania Community 105,127
RACINE WATERWORKS WI2520062 Wisconsin Community 105,100
JOHNSON CITY WATER DEPT TN0000331 Tennessee Community 105,057
CITY OF DALY CITY CA4110013 California Community 104,901
CITY OF ALLEN TX0430025 Texas Community 104,870
NORMAN UTILITIES AUTHORITY OK1020801 Oklahoma Community 104,868