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
HAYSVILLE, CITY OF KS2017322 Kansas Community 11,315
ECWA HAMBURG (T) NY1400488 New York Community 11,314
CITY OF CARENCRO WATER SYSTEM LA1055005 Louisiana Community 11,301
GARDNERVILLE RANCHOS GID NV0000066 Nevada Community 11,300
COLCHESTER WATER SYSTEM VT0021810 Vermont Community 11,299
UTILITIES INC - NORTH PARK WATER SUPPLY LA1103124 Louisiana Community 11,298
JEFFERSON WATER AND SEWER DISTRICT PWS OH2504012 Ohio Community 11,294
KEYSTONE WATER CO-PALMYRA DIST PA7380030 Pennsylvania Community 11,290
CITY OF RAYMONDVILLE TX2450001 Texas Community 11,288
ASSOCIATE MUTUAL WATER COMPANY CA1500572 California Non-Transient Non-Community 11,282
CHENIERE DREW NORTH WATER SYSTEM LA1073100 Louisiana Community 11,280
ALAMOSA CITY OF CO0102100 Colorado Community 11,271
TWO RIVERS WATERWORKS WI4360436 Wisconsin Community 11,270
SPRING LAKE WATER DEPARTMENT NJ1348001 New Jersey Community 11,270
Red Hawk Casino - Shingle Springs 090600058 California Community 11,268
CANANDAIGUA CITY NY3401150 New York Community 11,264
MAYSVILLE UTILITY COMMISSION KY0810275 Kentucky Community 11,263
HARRIS COUNTY UTILITY DISTRICT 6 TX1010501 Texas Community 11,262
SNOHOMISH CITY OF WA5380915 Washington Community 11,258
CITY OF FREDERICKSBURG TX0860001 Texas Community 11,257
RIDAUGHT LANDING WTP/CLAY UTIL FL2104214 Florida Community 11,253
RESORTS WORLD LAS VEGAS NV0001210 Nevada Non-Transient Non-Community 11,250
SOUTHERN OKLA WATER CORP OK1010830 Oklahoma Community 11,250
BUTTONWILLOW PARK WATER SYSTEM CA1502306 California Transient Non-Community 11,250
THOMAS HILL PWSD 1 MO2024504 Missouri Community 11,250
NJ AMERICAN WATER - LITTLE FALLS NJ1605001 New Jersey Community 11,247
GA DOT REST AREAS 75 & 76 GA1350013 Georgia Transient Non-Community 11,244
SUGAR GROVE IL0890850 Illinois Community 11,243
HUMBOLDT INDUSTRIAL PARK PA2400806 Pennsylvania Non-Transient Non-Community 11,243
G M WSC TX2020067 Texas Community 11,220
FLORENCE TWP W DEPT NJ0315001 New Jersey Community 11,214
SAN.ENGR,EAST WATER SUBDIST. OH4302916 Ohio Community 11,200
SHO-DEEN SBDV IL0890060 Illinois Community 11,200
PALMDALE INC WATER SYS FL4061060 Florida Community 11,200
PALMDALE INC - COLLIER ESTS FL4061059 Florida Community 11,200
OREGON WATERWORKS WI1130251 Wisconsin Community 11,200
SCOTTSDALE COMMUNITY COL AZ0407149 Arizona Non-Transient Non-Community 11,200
SCOTTS VALLEY WATER DISTRICT CA4410013 California Community 11,197
BROWARD CNTY UTIL DEPT-SYS #2C FL4060164 Florida Community 11,193
KENOVA MUNICIPAL WATER WV3305009 West Virginia Community 11,192
BURR RIDGE IL0434190 Illinois Community 11,192
IL AMERICAN-CHICAGO SUBURBAN IL0315150 Illinois Community 11,187
LAGO GUAJATACA PR0003772 PR Community 11,187
MOUNT KISCO WATER DEPARTMENT NY5903437 New York Community 11,187
CITY OF ROCKPORT TX0040002 Texas Community 11,186
KNIGHT POINT STATE VT0008041 Vermont Transient Non-Community 11,180
ENTERPRISE CDD (CONSECUTIVE) FL3494428 Florida Community 11,178
EXETER, CITY OF CA5410003 California Community 11,169
GASTONIA SCURRY SUD TX1290015 Texas Community 11,169
EAST GREENACRES IRRIGATION DIST ID1280064 Idaho Community 11,165