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
SJCU-CR214 MAINLAND WTP FL2554447 Florida Community 66,953
CITY OF VICTORIA TX2350002 Texas Community 66,932
RICHMOND COUNTY GA2450004 Georgia Community 66,919
BEAUMONT CHERRY VALLEY WD CA3310002 California Community 66,841
CAL AMERICAN WATER CO CA5610040 California Community 66,809
CITY OF ALEXANDRIA WATER SYSTEM LA1079001 Louisiana Community 66,798
CITY OF JAX - OAKRIDGE WTP FL2164373 Community 66,699
WOODINVILLE WATER DISTRICT WA5341600 Washington Community 66,699
CITY OF TUSTIN CA3010046 California Community 66,600
APOPKA, CITY OF (5 WTPS) FL3480200 Florida Community 66,579
CITY OF MADERA CA2010002 California Community 66,560
CAPITAL REGION WATER PA7220049 Pennsylvania Community 66,540
HYPOTHETICAL WATERS FL1170905 Florida Community 66,500
SKOKIE IL0312880 Illinois Community 66,422
BOONE CO WATER & SEWER DISTRICT KY0080034 Kentucky Community 66,300
OCALA, CITY OF (2 WTPS) FL3420922 Florida Community 66,270
MALDEN WATER DIVISION (MWRA) MA3165000 Massachusetts Community 66,263
CITY OF ROWLETT TX0570056 Texas Community 66,212
LAKEWOOD - CITY, WATER DEPT. CA1910239 California Community 66,135
EAST CHERRY CREEK VALLEY WSD CO0103035 Colorado Community 66,130
SUBURBAN WATER SYSTEMS-WHITTIER CA1910174 California Community 66,045
FKAA LIME SOFTENING PLANT FL5440093 Florida Community 66,000
GALLATIN WATER DEPARTMENT TN0000253 Tennessee Community 65,964
SPRING HILL WATER DEPT TN0000667 Tennessee Community 65,840
LIMA CITY OH0200811 Ohio Community 65,619
HARPETH VALLEY U.D. TN0000286 Tennessee Community 65,518
JOHNSON COUNTY SUD TX1260018 Texas Community 65,517
ROCKWOOD PUD OR4100668 Oregon Community 65,443
AUBURN WATER WORKS AL0000804 Alabama Community 65,313
WATSONVILLE, CITY OF CA4410011 California Community 65,231
JOINT BASE PEARL HARBOR-HICKAM HI0000360 Hawaii Community 65,230
WALTHAM WATER DEPARTMENT MA3308000 Massachusetts Community 65,218
CITY OF JAX - MARIETTA WTP FL2164367 Community 65,190
SILVER LAKE WATER & SEWER DISTRICT WA5379250 Washington Community 65,033
LEESBURG, TOWN OF VA6107300 Virginia Community 65,028
PADUCAH WATER WORKS KY0730533 Kentucky Community 65,004
NJ TURNPIKE AUTHORITY NJ1103300 New Jersey Transient Non-Community 65,000
OLD NORTH UTILITIES SERVICES/FT BRAGG NC5026019 North Carolina Community 65,000
DENNIS WATER DISTRICT MA4075000 Massachusetts Community 65,000
CORAL SPRINGS, CITY OF FL4060290 Florida Community 65,000
SPRING HILL UTILITIES FL6271696 Florida Community 64,702
MORGANTOWN UTILITY BOARD WV3303111 West Virginia Community 64,644
SOOS CREEK WATER & SEWER DISTRICT WA5340100 Washington Community 64,534
BRENTWOOD CA0710004 California Community 64,513
LIBERTY UTILITIES (AV RANCHOS) CORP. CA3610003 California Community 64,469
COUNCIL BLUFFS WATER WORKS IA7820080 Iowa Community 64,447
JANESVILLE WATER UTILITY WI1540127 Wisconsin Community 64,415
PARK MOABI CA3600193 California Non-Transient Non-Community 64,267
CHEYENNE BOARD OF PUBLIC UTILITIES WY5600011 Wyoming Community 64,165
SOUTHWOOD WA5382844 Washington Community 64,155