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
NORTH OGDEN CITY UTAH29010 Utah Community 22,000
TEMESCAL VALLEY WATER DISTRICT CA3310074 California Community 21,971
NILES CITY PWS OH7802403 Ohio Community 21,961
LOGE CAMP MT. SHASTA CA4700563 Washington Transient Non-Community 21,938
PUD #1 OF ASOTIN COUNTY WA5393343 Washington Community 21,930
FERNANDINA BEACH WTP FL2450364 Florida Community 21,925
SHAFTER, CITY OF CA1510019 California Community 21,915
KING COUNTY WATER DISTRICT #125 WA5341998 Washington Community 21,904
SOUTHEASTERN WATER ASSOC/NELSON VALLEY KY1000311 Kentucky Community 21,895
CHARTER TOWNSHIP OF DELTA MI0001790 Michigan Community 21,856
SELMA, THE WW AND SB OF THE CITY OF AL0000490 Alabama Community 21,834
CALEDONIA WATER UTILITY - VILLAGE OF WI2520184 Wisconsin Community 21,819
ADAMS COUNTY REGIONAL WD PWS OH0100012 Ohio Community 21,810
TOHO WATER AUTHORITY-POINCIANA WTP #2 FL3494315 Florida Community 21,792
MANDAN CITY OF ND3000596 North Dakota Community 21,769
CAMPBELL COUNTY CENTRAL SYSTEM VA5031150 Virginia Community 21,761
DARIEN IL0430270 Illinois Community 21,751
SEDALIA PWS MO3010728 Missouri Community 21,725
CHILLICOTHE CITY PWS OH7100112 Ohio Community 21,725
HAMILTON TOWNSHIP MUA NJ0112001 New Jersey Community 21,720
MOUNT PLEASANT MI0004530 Michigan Community 21,688
PARK FOREST IL0314740 Illinois Community 21,687
LINCOLN WATER COMMISSION RI1858423 Rhode Island Community 21,664
LINDA COUNTY WATER DISTRICT CA5810002 California Community 21,654
SCARSDALE WATER DEPARTMENT NY5903457 New York Community 21,649
MINNEOLA WATER DEPARTMENT (2 WPS) FL3350836 Florida Community 21,630
ENDWELL WD NY0311214 New York Community 21,620
SYLVANIA CITY OH4801303 Ohio Community 21,618
IMPERIAL, CITY OF CA1310006 California Community 21,591
NWWA WARRINGTON TOWNSHIP PA1090070 Pennsylvania Community 21,588
GRAND CHUTE TN SAN DIST 1 WI4450429 Wisconsin Community 21,583
SANTA FE I.D. CA3710023 California Community 21,578
EL DORADO IRRIGATION DISTRICT CA0910020 California Community 21,573
WESTBOROUGH WATER DEPARTMENT MA2328000 Massachusetts Community 21,567
LAFAYETTE WATER SYSTEM TN0000373 Tennessee Community 21,551
MUSKINGUM COUNTY WATER - SE OH6000412 Ohio Community 21,540
ARROYO PR0004575 PR Community 21,524
FOREST CITY, TOWN OF NC0181010 North Carolina Community 21,521
RAYMORE PWS MO1010675 Missouri Community 21,517
WASHINGTON STATE UNIVERSITY WA5393200 Washington Community 21,506
BARTOW, CITY OF FL6530315 Florida Community 21,501
BLUE ISLAND IL0310240 Illinois Community 21,494
Andover MN1020034 Minnesota Community 21,455
WASHOUGAL CITY OF WA5393400 Washington Community 21,441
AMERICAN CANYON, CITY OF CA2810005 California Community 21,437
VINEYARD CITY UTAH25168 Utah Community 21,431
SILOAM SPRINGS WATERWORKS AR0000056 Arkansas Community 21,430
WAREHAM FIRE DISTRICT MA4310000 Massachusetts Community 21,418
AUBURN HILLS MI0005450 Michigan Community 21,412
PORT HUENEME CITY WATER DEPT CA5610009 California Community 21,407