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
KENDALLVILLE WATER DEPARTMENT IN5257008 Indiana Community 10,300
PERU IL0990850 Illinois Community 10,300
BLUFFTON UTILITIES WATER DEPT IN5290001 Indiana Community 10,298
QUINCY, CITY OF W/S FL1200551 Florida Community 10,298
MOLALLA, CITY OF OR4100534 Oregon Community 10,298
HARRISBURG SD4600148 South Dakota Community 10,297
EAST LAUDERDALE COUNTY WATER AUTHORITY AL0001424 Alabama Community 10,296
RANDOLPH COUNTY WATER & SEWER AUTHORITY AL0001537 Alabama Community 10,290
BAREFOOT BAY FL3050057 Florida Community 10,290
ELMA WATER DISTRICT NO. 1 NY1420549 New York Community 10,287
ST. ELMO-IRVINGTON WATER AUTHORITY AL0001031 Alabama Community 10,284
RIVER GROVE IL0312640 Illinois Community 10,282
CLINTON WATERWORKS AR0000564 Arkansas Community 10,280
RABUN COUNTY WATER & SEWER AUTHORITY GA2410118 Georgia Community 10,276
RIVERDALE IL0312580 Illinois Community 10,266
OPP UTILITIES BOARD AL0000375 Alabama Community 10,266
WANAQUE W DEPT. NJ1613002 New Jersey Community 10,266
WOODBURY CITY W DEPT NJ0822001 New Jersey Community 10,263
BEARDSLEY WATER COMPANY 1 AZ0407007 Arizona Community 10,263
PICKENS WTP (SC3910001) SC3910001 South Carolina Community 10,263
CITY OF BOONVILLE IN5287001 Indiana Community 10,260
MID-OHIO WSD - CHRISMAN AVENUE WTP OH4900712 Ohio Community 10,256
PA AMERICAN WATER CO-CALIFORNA PA5630035 Pennsylvania Community 10,255
FARMERSVILLE, CITY OF CA5410004 California Community 10,243
CITY OF BROUSSARD PURCHASE WATER SYSTEM LA1055193 Louisiana Community 10,242
MURPHYSBORO IL0770500 Illinois Community 10,241
PLYMOUTH WATER DEPARTMENT IN5250010 Indiana Community 10,241
PINE HILL BOROUGH MUA NJ0428002 New Jersey Community 10,233
FORT BEND COUNTY MUD 151 TX0790443 Texas Community 10,233
NORTH GREENBUSH CONSOLIDATED DISTRICT NY4130243 New York Community 10,226
CODY, CITY OF WY5600207 Wyoming Community 10,224
SMITHFIELD CITY UTAH03020 Utah Community 10,223
TUCSON WATER CORONA DE TUCSON AZ0410169 Community 10,217
BRIGHTON, CITY OF MI0000860 Michigan Community 10,210
WALDWICK WATER DEPT NJ0264001 New Jersey Community 10,208
MILTON WATER SYSTEM LA1055046 Louisiana Community 10,200
ST ALBANS WATER DEPT VT0005130 Vermont Community 10,200
KENNETT PWS MO4010417 Missouri Community 10,200
Little Canada MN1620005 Minnesota Community 10,200
YUBA CITY GROUNDWATER-REGION 2-3 CA5110003 California Community 10,200
BEL AIR MD0002215 Maryland Community 10,200
SHASTA DISTRICT FAIR CA4500153 California Transient Non-Community 10,200
ALPINE CITY UTAH25007 Utah Community 10,200
MT. PLEASANT 055293201 Community 10,198
RICHLAND TWP WATER AUTHORITY PA5020018 Pennsylvania Community 10,190
WATERLOO IL1330300 Illinois Community 10,190
CHILLICOTHE MUNICIPAL UTILITIES PWS MO2010162 Missouri Community 10,187
CARROLL MUNICIPAL WATER SUPPLY IA1415072 Iowa Community 10,184
ASTORIA, CITY OF OR4100055 Oregon Community 10,181
RICE WSC TX1750019 Texas Community 10,167