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
SUPT,CIRCLEVILLE WATER DEPT. OH6500414 Ohio Community 11,682
CELINA, CITY OF OH5400011 Ohio Community 11,682
FEDERAL HEIGHTS CITY OF CO0101055 Colorado Community 11,678
HOUMA WATER TREATMENT SERVICE AREA LA1109001 Louisiana Community 11,658
MAGNOLIA WATERWORKS AR0000109 Arkansas Community 11,657
MONMOUTH, CITY OF OR4100537 Oregon Community 11,651
CRESTLINE VILLAGE CWD - DIVISION 10 CA3610015 California Community 11,650
Ak-Chin Village 090400090 Arizona Community 11,646
FONTAINEBLEAU LAS VEGAS NV0001198 Nevada Non-Transient Non-Community 11,644
FLOWERS PLANTATION NC0351195 North Carolina Community 11,643
POMPTONLAKES BOROUGH NJ1615200 New Jersey Transient Non-Community 11,640
EAST GRAND RAPIDS MI0001960 Michigan Community 11,637
HENRY COUNTY WATER AUTHORITY AL0000663 Alabama Community 11,625
NORTH LAWRENCE WATER AUTHORITY IN5247004 Indiana Community 11,625
SAN LEON MUD TX0840063 Texas Community 11,622
GATES COUNTY WATER SYSTEM NC0437020 North Carolina Community 11,621
UXBRIDGE DPW, WATER DIVISION MA2304000 Massachusetts Community 11,612
HARRISON CITY PWS OH3100812 Ohio Community 11,600
ONEIDA W&S COMM TN0000532 Tennessee Community 11,600
ROBERT MOSES STATE PARK NY5117671 New York Community 11,600
HADDONFIELD WATER DEPART NJ0417001 New Jersey Community 11,600
FARMINGTON, CITY OF MI0002230 Michigan Community 11,597
FORT BEND COUNTY MUD 142 TX0790429 Texas Community 11,595
GREENFIELD COUNTY WD CA1510024 California Community 11,590
AVON WATER CO CT0040011 Connecticut Community 11,590
THE CAPE MASTER SYSTEM NC0465199 North Carolina Community 11,587
WALLINGTON WATER DEPT NJ0265001 New Jersey Community 11,583
ROLLING OAKS SUBDIVISION FL6090150 Missouri Community 11,572
SOUTHERN GULF UTIL.- RIVERDALE FL4131340 Florida Community 11,571
LANTANA WATER TREATMENT PLANT FL4500784 Florida Community 11,558
GROSSE POINTE PARK MI0002900 Michigan Community 11,555
RAYFORD ROAD MUD TX1700334 Texas Community 11,550
CCWD - EBBETTS PASS CA0510016 California Community 11,545
LOWER RIO GRANDE PWWA SOUTH VALLEY NM3502407 New Mexico Community 11,542
JAMES FORK REGIONAL WATER DISTRICT AR0000513 Arkansas Community 11,538
TOWN OF LA PLATA MD0080025 Maryland Community 11,535
WALLSBORO-SANTUCK WATER AUTHORITY AL0000550 Alabama Community 11,526
NORTHTOWN MUD TX2270264 Texas Community 11,520
WAIPIO HEIGHTS HI0000334 Hawaii Community 11,516
HARRIS COUNTY MUD 81 TX1010581 Texas Community 11,514
LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM CA1910203 California Community 11,509
STERLING RANCH CAB CO0118724 Colorado Community 11,501
USMC LEJEUNE--NEW RIVER AIR ST NC0467042 North Carolina Community 11,500
MANVILLE W DEPT NJ1811001 New Jersey Community 11,500
BROOKSVILLE CITY OF FL6272180 Florida Community 11,500
SOUTH HADLEY FIRE DISTRICT #1 MA1117000 Massachusetts Community 11,500
KEARNEY PWS MO1010416 Missouri Community 11,500
HOPE WATER LIGHT COMM AR0000230 Arkansas Community 11,500
WISE COUNTY REGIONAL WATER SYSTEM VA1195900 Community 11,500
NORWELL WATER DEPARTMENT MA4219000 Massachusetts Community 11,495