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
ST. AUGUSTINE SHORES FL2551083 Florida Community 7,423
PAGE CITY OF AZ0403017 Arizona Community 7,420
CENTER TOWNSHIP WATER AUTH PA5040057 Pennsylvania Community 7,420
VALLEY CENTER, CITY OF KS2017318 Kansas Community 7,419
U.C.P.R PR0458104 PR Non-Transient Non-Community 7,416
NEBRASKA CITY, CITY OF NE3113106 Nebraska Community 7,414
POTOSI WSC TX2210008 Texas Community 7,413
BUCKLEY WATER WA5309000 Washington Community 7,411
STRASBURG, TOWN OF VA2171750 Virginia Community 7,410
DNR-JOHN TANNER STATE PARK GA0450011 Georgia Transient Non-Community 7,410
MDWASA-FAIRWAY PARK FL4130459 Florida Community 7,403
JAMESTOWN MUNICIPAL WATER WORKS KY1040210 Kentucky Community 7,402
PEACOCK HILL WA5366637 Washington Community 7,401
DINNER LAKE-JAN PHYL SYSTEM FL6530459 Florida Community 7,400
UNIVERSITY OF NOTRE DAME IN5271020 Indiana Community 7,400
FAIRFIELD WATER DEPT NJ0707001 New Jersey Community 7,400
POSSUM KINGDOM WSC TX1820076 Texas Community 7,395
STUTTGART WATERWORKS AR0000013 Arkansas Community 7,393
BIG PARK WATER COMPANY AZ0413012 Arizona Community 7,392
MAYFLOWER WATERWORKS AR0000193 Arkansas Community 7,390
HARRIS COUNTY MUD 419 TX1013335 Texas Community 7,389
FIRST U.D. OF HARDIN COUNTY TN0000546 Tennessee Community 7,388
Isanti MN1300005 Minnesota Community 7,386
CITY OF SEMINOLE TX0830012 Texas Community 7,386
CENTRAL WCID OF ANGELINA COUNTY TX0030019 Texas Community 7,381
TEA SD4600409 South Dakota Community 7,381
FT BEND COUNTY MUD NO 12 TX0790071 Texas Community 7,380
PAJUIL-PALOMA PR0002892 PR Community 7,380
INDIAN HILLS FL3590588 Florida Community 7,378
HAMILTON WATER DEPT MA3119000 Massachusetts Community 7,377
SCOTTSBURG WATER DEPARTMENT IN5272001 Indiana Community 7,369
MEANSVILLE RILEY W/D (SC4420001) SC4420001 South Carolina Community 7,368
MULLINS CITY OF (3310002) SC3310002 South Carolina Community 7,366
EAST CLARK CO WATER DISTRICT KY0250981 Kentucky Community 7,366
SIENNA MUD 3 TX0790376 Texas Community 7,365
YORKTOWN WATER ASSOCIATION AR0000319 Arkansas Community 7,364
JOHN F KENNEDY SPACE CENTER (CONSEC) FL3054024 Florida Non-Transient Non-Community 7,364
CITY OF LULING TX0280002 Texas Community 7,364
GSWC - CALIPATRIA CA1310003 California Community 7,363
MILAN MI0004380 Michigan Community 7,363
WASHINGTON WATER DEPARTMENT IA9271068 Iowa Community 7,362
FORT BEND COUNTY MUD 133 TX0790444 Texas Community 7,362
CITY OF ALAMO HEIGHTS TX0150039 Texas Community 7,357
MAHANOY TWP-AUTH-MAHANOY DIV PA3540020 Pennsylvania Community 7,357
CYPRESS FOREST PUD TX1010919 Texas Community 7,356
FORT BEND COUNTY MUD 134B TX0790532 Texas Community 7,356
EAST LOWNDES W/A B WEST-OLD YORKVILLE RD MS0440103 Mississippi Community 7,355
TONTITOWN WATERWORKS AR0000566 Arkansas Community 7,355
HASTINGS MI0003090 Michigan Community 7,350
MADISON WATER DEPARTMENT FL2400205 Florida Community 7,350