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
OAKLAND WATER DEPT NJ0242001 New Jersey Community 12,754
JERSEY RWC IL0835300 Illinois Community 12,750
HERRIN IL1990400 Illinois Community 12,747
DUNKIRK CITY NY0600360 New York Community 12,743
BROWN DEER WATERWORKS WI2410556 Wisconsin Community 12,741
CONWAY RURAL (SC2620001) SC2620001 South Carolina Community 12,740
BIG BEAR CITY CSD CA3610008 California Community 12,738
EATONTON PUTNAM WATER & SEWER AUTH GA2370000 Georgia Community 12,736
HORN LAKE WATER ASSOCIATION MS0170010 Mississippi Community 12,735
CITY OF HORSESHOE BAY TX1500015 Texas Community 12,729
DIBERVILLE W/S MS0240002 Mississippi Community 12,721
ARGYLE WSC TX0610019 Texas Community 12,720
NEW BALTIMORE, CITY OF MI0004670 Michigan Community 12,720
UWF: JAX HEIGHTS WS FL2160565 Florida Community 12,719
KIMZEY REGIONAL WATER DISTRICT AR0000821 Arkansas Community 12,718
MEDFIELD WATER DEPT. MA2175000 Massachusetts Community 12,713
BOONE WATER WORKS IA0819033 Iowa Community 12,704
BARABOO WATERWORKS WI1570085 Wisconsin Community 12,703
CITY OF MORGAN CITY WATER SYSTEM LA1101005 Louisiana Community 12,703
CITY OF GROVER BEACH PUBLIC WORKS DEPT CA4010004 California Community 12,701
ARCHDALE, CITY OF NC0276030 North Carolina Community 12,700
SHOREWOOD WATER CORP NY5103244 New York Community 12,700
GREENCASTLE DEPARTMENT OF WATER IN5267004 Indiana Community 12,699
FRED DEITZ IN2110104 Indiana Transient Non-Community 12,696
JEFFERSON GA1570003 Georgia Community 12,690
BEAUREGARD WATER AUTHORITY AL0000805 Alabama Community 12,684
HOPKINTON WATER DEPARTMENT MA2139000 Massachusetts Community 12,680
KALAHEO-KOLOA HI0000434 Hawaii Community 12,660
LINDSAY, CITY OF CA5410006 California Community 12,659
CITY OF LEVELLAND TX1100002 Texas Community 12,652
CAMP PENDLETON (NORTH) CA3710700 California Community 12,651
GREENSBURG MUNICIPAL WATER WORKS IN5216002 Indiana Community 12,650
BRANSON PWS MO5010096 Missouri Community 12,640
WESTERN ROCKCASTLE WATER ASSOC KY1020891 Kentucky Community 12,623
GLEN CARBON IL1190300 Illinois Community 12,618
OTTAWA, CITY OF KS2005906 Kansas Community 12,604
HOLTVILLE WATER SYSTEM AL0000540 Alabama Community 12,600
GULFPORT WATER SYSTEM FL6520705 Florida Community 12,600
PLANO IL0930200 Illinois Community 12,600
TOMBALL ISD CYPRESS ROSEHILL PLANT TX1013679 Texas Non-Transient Non-Community 12,600
MDWASA-SO MIAMI HEIGHTS SYSTEM FL4130879 Florida Community 12,600
MANTUA TOWNSHIP MUA NJ0810004 New Jersey Community 12,600
FULTON PWS MO3010296 Missouri Community 12,600
OAK ISLAND TOWN OF NC0410015 North Carolina Community 12,600
BEAR VALLEY JOINT AUTH PA7280043 Pennsylvania Community 12,589
EAST LIVERPOOL CITY OH1500811 Ohio Community 12,586
WARD WATERWORKS AR0000345 Arkansas Community 12,579
DIAMONDHEAD UTILITIES-NORTH MS0230005 Mississippi Community 12,577
WEST WILKES WTR ASSOCIATION INC NC0197020 North Carolina Community 12,573
DAN RIVER WATER INC NC0279040 North Carolina Community 12,573