Browse Water Systems

434,040 public water systems.

Public Water Systems Database

Browse 434,040 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
Willmar MN1340016 Minnesota Community 21,045
HAYS, CITY OF KS2005111 Kansas Community 21,040
VERO BEACH, CITY OF FL4310206 Florida Community 21,024
OHIO-AMER.WATER CO,TIFFIN DIST OH7400611 Ohio Community 21,000
SALEM WATER DEPT NH2051010 New Hampshire Community 21,000
UNION TOWN WATER SYSTEM NO. 1 NY0320536 New York Community 21,000
MONTICELLO WATER & SEWER COMMISSION KY1160291 Kentucky Community 21,000
CANAL GRID FL2161126 Florida Community 21,000
MARTIN CO UTIL VISTA SALERNO FL4431490 Florida Community 21,000
MARTIN CO UTIL MARTIN DOWNS FL4434383 Florida Community 21,000
CHARTER TOWNSHIP OF GRAND BLANC MI0002745 Michigan Community 21,000
BURTON, CITY OF MI0001010 Michigan Community 21,000
GALLIA CO RURAL WATER ASSOCIATION OH2700012 Ohio Community 20,995
EAST HEMPFIELD WATER AUTH PA7360063 Pennsylvania Community 20,988
LOUISVILLE CITY OF CO0107487 Colorado Community 20,975
New Hope MN1270040 Minnesota Community 20,963
Salt River Public Works 090400109 Arizona Community 20,951
MILWAUKIE, CITY OF OR4100528 Oregon Community 20,946
ASHLAND WATER DEPARTMENT OR4100047 Oregon Community 20,946
TAMARAC UTILITIES INCORPORATED FL4061430 Florida Community 20,928
MOROVIS URBANO PR0002762 PR Community 20,927
JBSA LACKLAND TX0150114 Texas Community 20,907
ELLENSBURG WATER DEPT WA5322950 Washington Community 20,900
GALLUP WATER SYSTEM NM3508317 New Mexico Community 20,880
ARCATA, CITY OF CA1210001 California Community 20,875
PAW PHILIPSBURG PA4140087 Pennsylvania Community 20,865
CALCASIEU PARISH WW DISTRICT NO 1 LA1019051 Louisiana Community 20,837
LINCOLN CITY, CITY OF OR4100483 Oregon Community 20,830
SS WSC TX2470015 Texas Community 20,826
HOOPER WATER IMPROVEMENT DISTRICT UTAH29006 Utah Community 20,820
ROLLA PWS MO3010700 Missouri Community 20,800
SIRWA #2 (CRESTON) IA8080701 Iowa Community 20,793
Northfield MN1660010 Minnesota Community 20,790
CRYSTAL CLEAR SUD TX0940015 Texas Community 20,766
WEB WATER DEVELOPMENT ASSOCIATION SD4601089 South Dakota Community 20,750
PITTSBURG, CITY OF KS2003705 Kansas Community 20,738
SARDIS LONE ELM WSC TX0700034 Texas Community 20,736
INDIANA AMERICAN WATER - SEYMOUR IN5236005 Indiana Community 20,725
CAL/AM WATER COMPANY - BALDWIN HILLS CA1910052 California Community 20,724
WINTER HAVEN/GARDEN GROVE SYS FL6532533 Florida Community 20,717
NORTHWEST UTILITY DISTRICT TN0000169 Tennessee Community 20,710
MOORESTOWN WATER DEPT NJ0322001 New Jersey Community 20,700
AMSTERDAM (C) NY2800136 New York Community 20,700
LEBANON CITY OH8304112 Ohio Community 20,700
South Saint Paul MN1190020 Minnesota Community 20,664
SELMER WATER SYSTEM TN0000615 Tennessee Community 20,648
ASHLAND CITY OH0300112 Ohio Community 20,648
MARQUETTE MI0004120 Michigan Community 20,629
CITY OF TAYLOR TX2460004 Texas Community 20,622
SIDNEY CITY PWS OH7501214 Ohio Community 20,614