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
EAGLE RIVER WSD CO0119802 Colorado Community 51,515
GRAND ISLAND, CITY OF NE3107902 Nebraska Community 51,478
DELANO, CITY OF CA1510005 California Community 51,428
TROY CITY PWS NY4100050 New York Community 51,401
CITY OF ARCADIA CA1910003 California Community 51,361
BENTONVILLE WATER UTILITIES AR0000041 Arkansas Community 51,250
CITY OF LUFKIN TX0030004 Texas Community 51,236
MIDDLETOWN CITY PWS OH0901712 Ohio Community 51,229
MANCHESTER WATER DEPARTMENT CT0770021 Connecticut Community 51,198
COLUMBUS MUNICIPAL UTILITY IN5203002 Indiana Community 51,122
CUYAHOGA FALLS CITY PWS OH7701012 Ohio Community 51,114
MANSFIELD CITY OH7002914 Ohio Community 51,000
WILLIAMSPORT MUN WATER AUTH PA4410173 Pennsylvania Community 51,000
ALTAMONTE SPRINGS WATER DEPT (2 WPS) FL3590026 Florida Community 51,000
BETHANY BAY PUMP DISTRICT DE0000221 Delaware Community 51,000
LAKEWOOD CITY PWS OH1801003 Ohio Community 50,942
FOLEY, UTILITIES BOARD OF THE CITY OF AL0000036 Alabama Community 50,919
DELAND, CITY OF FL3640286 Florida Community 50,910
CITY OF CEDAR HILL TX0570036 Texas Community 50,904
TEXARKANA WATER UTILITIES AR0000360 Arkansas Community 50,815
CITY OF WAXAHACHIE TX0700008 Texas Community 50,814
CITY OF JAX - ARLINGTON WTP FL2164375 Community 50,699
CITY OF GRAPEVINE TX2200013 Texas Community 50,631
MILILANI HI0000367 Hawaii Community 50,573
CAL AM - PARKWAY CA3410017 California Community 50,573
ROBINSON CREEK CAMPGROUND CA2600560 Nevada Transient Non-Community 50,562
MAYFAIR MALL WI2410926 Wisconsin Non-Transient Non-Community 50,500
ROMEOVILLE IL1970900 Illinois Community 50,458
HUMACAO-LAS PIEDRAS PR0005176 PR Community 50,452
PARSIPPANY-TROY HILLS WATER DEPARTMENT NJ1429001 New Jersey Community 50,400
GOLDEN STATE WC - PLACENTIA/YORBA LINDA CA3010035 California Community 50,381
GSWC - ARTESIA CA1910004 California Community 50,375
Apple Valley MN1190001 Minnesota Community 50,300
CITY OF NACOGDOCHES TX1740003 Texas Community 50,226
PA AMER WATER CO PA7220017 Pennsylvania Community 50,200
NIAGARA FALLS WATER BOARD NY3100568 New York Community 50,193
HOFFMAN ESTATES IL0311290 Illinois Community 50,179
Saint Louis Park MN1270050 Minnesota Community 50,010
SUNRISE WATER AUTHORITY OR4100635 Oregon Community 50,003
SANTA MARGARITA RECREATION AREA CA4000714 California Transient Non-Community 50,001
GOODYEAR WATER DEPARTMENT AZ0407094 Arizona Community 50,001
WILSON, CITY OF NC0498010 North Carolina Community 50,001
N KENSINGTON WATER PLANT PA5650033 Pennsylvania Community 50,000
DUTCHESS COUNTY FAIRGROUNDS NY1330530 New York Transient Non-Community 50,000
PIKE FAIR NY6030006 New York Transient Non-Community 50,000
GRDN ST PKWY SEAVILLE SERVAREA NJ0537200 New Jersey Transient Non-Community 50,000
LARGO WATER DEPARTMENT FL6521047 Florida Community 50,000
UNIVERSITY OF ARIZONA AZ0420423 Arizona Non-Transient Non-Community 50,000
PLAINFIELD IL1970800 Illinois Community 50,000
PURDUE UNIV. WATER WORKS IN5279015 Indiana Community 50,000