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
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 1 CA1910189 California Community 9,630
MAGGIE VALLEY SANITARY DIST NC0144040 North Carolina Community 9,629
NORTHWESTERN W AND SD - OREGON WTLN 200 OH8704203 Ohio Community 9,629
LEWES BOARD OF PUBLIC WORKS DE0000602 Delaware Community 9,627
ALTOONA WATERWORKS WI6180280 Wisconsin Community 9,627
SEMINOLE COUNTY SOUTHWEST FL3590785 Florida Community 9,622
MCCOY WSC TX0070023 Texas Community 9,621
KENWOOD WATER DISTRICT MA3079001 Massachusetts Community 9,620
VERNON COUNTY CONS PWSD 1 MO5024618 Missouri Community 9,615
PRAIRIE GROVE WATERWORKS AR0000573 Arkansas Community 9,615
HYDEN LESLIE CO WATER DISTRICT KY0660204 Kentucky Community 9,614
CITY OF JACINTO CITY TX1010015 Texas Community 9,613
ST JOSEPH TOWNSHIP MI0006315 Michigan Community 9,613
CITY OF SPLENDORA TX1700087 Texas Community 9,612
SOUTH KOHALA HI0000130 Hawaii Community 9,612
LITTLETON WATER DEPARTMENT MA2158000 Massachusetts Community 9,611
SHAWANO WATERWORKS WI4590456 Wisconsin Community 9,610
GUNNISON CITY OF CO0126325 Colorado Community 9,610
MONROE COUNTY WATER DISTRICT KY0860150 Kentucky Community 9,608
OIL CITY PA6610023 Pennsylvania Community 9,608
VEOLIA MIDDLETOWN PA7220038 Pennsylvania Community 9,600
HANOVER WATER DEPT NH1071010 New Hampshire Community 9,600
CITY OF WOLFFORTH TX1520005 Texas Community 9,600
GENEVA, THE WW & SB OF THE CITY OF AL0000622 Alabama Community 9,600
Viejas Community System 090600158 California Community 9,600
RIVER ROAD WATER DISTRICT OR4100288 Oregon Community 9,600
BROADWAY W&S DISTRICT (SC0420008) SC0420008 South Carolina Community 9,586
MOULTON WATER WORKS BOARD AL0000798 Alabama Community 9,585
SUMPTER TOWNSHIP MI0006460 Michigan Community 9,576
BERLIN WATER WORKS NH0231010 New Hampshire Community 9,575
SOUTHWEST WATER USERS LLC AR0000495 Arkansas Community 9,573
FORK TOWNSHIP SANITARY DISTRICT NC0496060 North Carolina Community 9,572
OAKWOOD CITY PWS OH5701915 Ohio Community 9,572
CRITTENDEN-LIVINGSTON CO WATER DISTRICT KY0700532 Kentucky Community 9,571
CITY OF WHITEHOUSE TX2120025 Texas Community 9,571
LINDEN WATER DEPT TN0000404 Tennessee Community 9,568
SOUTHSIDE W/D (3920010) SC3920010 South Carolina Community 9,568
MILES CITY CITY OF MT0000291 Montana Community 9,565
GRINNELL WATER DEPARTMENT IA7930008 Iowa Community 9,564
TROUTMAN, TOWN OF NC0149030 North Carolina Community 9,562
FLORENCE, CITY OF OR4100299 Oregon Community 9,561
EAGLE POINT, CITY OF OR4100267 Oregon Community 9,554
PLATTE CO PWSD 4 MO1024478 Missouri Community 9,552
TOWN OF LEONVILLE WATER SYSTEM LA1097005 Louisiana Community 9,552
GRAY GA1690000 Georgia Community 9,551
KIAWAH ISLAND UTILITY (SC1010008) SC1010008 South Carolina Community 9,550
PRAIRIE VIEW A&M UNIVERSITY TX2370002 Texas Community 9,550
PLEASANTVILLE WATER DISTRICT NY5903455 New York Community 9,550
GUAYANES PR0004544 PR Community 9,549
HANDY SANITARY DISTRICT NC0229035 North Carolina Community 9,548