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
IL AMERICAN-STREATOR IL0995030 Illinois Community 19,000
MT WERNER WD CO0154524 Colorado Community 19,000
Otsego MN1860026 Minnesota Community 19,000
HARRIS COUNTY MUD 82 TX1010630 Texas Community 18,990
GREENFIELD, CITY OF CA2710008 California Community 18,967
SAN JACINTO, CITY OF CA3310032 California Community 18,950
LEBANON, CITY OF OR4100473 Oregon Community 18,945
COASTSIDE COUNTY WATER DISTRICT CA4110011 California Community 18,940
CITY OF RIO GRANDE CITY TX2140018 Texas Community 18,912
SOUTH BAY ROD & GUN CLUB INC. CA3700065 California Transient Non-Community 18,900
BRUNSWICK/TOPSHAM WATER DISTRICT ME0090260 Maine Community 18,863
CITY OF BROWNWOOD TX0250002 Texas Community 18,862
ARIZONA WATER CO - WHITE TANKS AZ0407128 Arizona Community 18,858
WESTFORD WATER DEPARTMENT MA3330000 Massachusetts Community 18,848
MOREHEAD CITY, TOWN OF NC0416015 North Carolina Community 18,846
ASHLAND WATER AND SEWER DEPT. MA3014000 Massachusetts Community 18,832
MARSHFIELD UTILITIES WI7720165 Wisconsin Community 18,815
CITY OF LOCKHART TX0280001 Texas Community 18,800
HERNANDO CO UTL-SW HERN WELFLD FL6277028 Florida Community 18,800
TWENTYNINE PALMS WATER DISTRICT CA3610049 California Community 18,795
BEREA CITY PWS OH1800111 Ohio Community 18,789
CONCORD WATER DEPT MA3067000 Massachusetts Community 18,788
BROOKFIELD IL0310330 Illinois Community 18,776
CLINTON UTILITIES BOARD TN0000120 Tennessee Community 18,772
BEAR CREEK W/A -EAST MS0450002 Mississippi Community 18,770
ROWAN WATER INC KY1030375 Kentucky Community 18,765
CANBY UTILITY OR4100157 Oregon Community 18,754
BIXBY PUBLIC WORKS AUTHORITY OK3007243 Community 18,750
AQUARION-DARIEN CT0350011 Connecticut Community 18,737
LAKE WALES, CITY OF FL6532234 Florida Community 18,722
FOXBORO WATER DEPARTMENT MA4099000 Massachusetts Community 18,721
CITY OF DONNA TX1080002 Texas Community 18,720
CITY OF GLENN HEIGHTS TX0570085 Texas Community 18,718
ALTUS OK1011501 Oklahoma Community 18,717
MARIETTA CITY PWS OH8400412 Ohio Community 18,707
VINCENNES WATER DEPARTMENT IN5242014 Indiana Community 18,701
MONTGOMERY CO.RIVERSIDE SUBDIS OH5701603 Ohio Community 18,700
VILLAGES OF LAKE-SUMTER - WTPS 1, 3, ; 5 FL3350942 Florida Community 18,675
CUDAHY WATERWORKS WI2410169 Wisconsin Community 18,659
NORTH SALT LAKE CITY WATER SYSTEM UTAH06019 Utah Community 18,655
SHOREWOOD IL1975080 Illinois Community 18,645
USAF DAVIS MONTHAN AFB AZ0420549 Arizona Community 18,640
UNION CITY GA1210010 Georgia Community 18,636
WEIRTON AREA WATER BOARD WV3300516 West Virginia Community 18,633
COMMUNITY WATER SYSTEM AR0000101 Arkansas Community 18,628
BELLA VISTA WATER DISTRICT CA4510014 California Community 18,612
CITY OF RED OAK TX0700031 Texas Community 18,577
MUSTANG, CITY OF OK2000922 Oklahoma Community 18,576
HUDSON WATERWORKS WI6560087 Community 18,558
SOUTH GRANVILLE WTR&SEWER AUTHORITY NC0239107 North Carolina Community 18,555