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
BAYLEAF MASTER NC0392373 North Carolina Community 16,715
BELLEVUE WATERWORKS WI4050459 Wisconsin Community 16,715
Buffalo MN1860005 Minnesota Community 16,711
HUDSON WATER DEPT NH1201010 New Hampshire Community 16,700
EVERGLADES/REX FL4134292 Florida Community 16,700
DOUGLAS CITY OF AZ0402014 Arizona Community 16,656
RINCON WATER SYSTEM GA1030001 Georgia Community 16,654
HARRIMAN UTILITY BOARD TN0000287 Tennessee Community 16,653
MO AMERICAN PLATTE COUNTY MO1010625 Missouri Community 16,645
SONTERRA MUD TX2460157 Texas Community 16,614
UKIAH, CITY OF CA2310003 California Community 16,607
FULTON CITY NY3704355 New York Community 16,600
PHOENIXVILLE WATER DEPT PA1150077 Pennsylvania Community 16,599
OLIVEHURST PUBLIC U.D. CA5810003 California Community 16,595
NAVAL AIR STATION/WHIDBEY ISLAND WA5303420 Washington Community 16,595
GRAND CANYON NATIONAL PARK AZ0403702 Arizona Community 16,590
WATERFORD WPCA CT1520071 Connecticut Community 16,578
JOHNSON CITY WATER WORKS NY0301668 New York Community 16,578
PINEVILLE WATER SYSTEM KY0070353 Kentucky Community 16,573
TOHO BUENAVENTURA LAKES FL3490184 Florida Community 16,569
BELLINGHAM DPW WATER SEWER DIVISION MA2025000 Massachusetts Community 16,556
WRIGHT-PATTERSON AFB AREA A PWS OH2903412 Community 16,551
COLE COUNTY PWSD 1 MO3024159 Missouri Community 16,548
JEFFERSON COUNTY PWSD 2 MO6024293 Missouri Community 16,548
MCWA GENESEE NY1800547 New York Community 16,541
NEWTON WATER SUPPLY IA5059064 Iowa Community 16,518
NOTLA WATER AUTHORITY GA2910003 Georgia Community 16,518
OHIO COUNTY WATER DISTRICT KY0920332 Kentucky Community 16,511
GIG HARBOR WATER DEPT WA5327600 Washington Community 16,510
CITY OF HIGHLAND VILLAGE TX0610080 Texas Community 16,500
COUNTRY CLUB HILLS IL0310540 Illinois Community 16,500
DEFIANCE CITY OH2000111 Ohio Community 16,494
OPA LOCKA, CITY OF FL4131001 Florida Community 16,479
RAMSEY WATER COMPANY, INC. IN5231005 Indiana Community 16,475
SAFETY HARBOR WATER DEPT FL6521576 Florida Community 16,473
BRIDGEVIEW IL0310270 Illinois Community 16,467
PARK RIDGE WATER DEPT NJ0247001 New Jersey Community 16,466
Red Wing MN1250013 Minnesota Community 16,459
NORTH PENINSULA WA5305122 Washington Community 16,449
EL SEGUNDO-CITY, WATER DEPT. CA1910040 California Community 16,445
JACKSON COUNTY PWSD 2 MO1024276 Missouri Community 16,440
SUMNER CITY OF WA5385120 Washington Community 16,438
CHATHAM IL1670300 Illinois Community 16,423
FRANKFORT WATER WORKS IN5212003 Indiana Community 16,422
BARBOURVILLE UTILITIES KY0610016 Kentucky Community 16,420
FILLMORE WATER DEPT CA5610002 California Community 16,419
BARCELONETA URBANO PR0002722 PR Community 16,404
HAZEL PARK MI0003100 Michigan Community 16,400
ALLEN COUNTY WATER DISTRICT KY0020956 Kentucky Community 16,398
CITY OF CLEVELAND MS0060006 Mississippi Community 16,392