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
AQUA ILLINOIS-VERMILION COUNTY IL1835120 Illinois Community 30,106
MO AMERICAN JEFFERSON CITY DISTRICT MO3010409 Missouri Community 30,075
CABOT WATERWORKS AR0000338 Arkansas Community 30,063
SOUTHGATE MI0006170 Michigan Community 30,047
AQUA ILLINOIS-NORTH MAINE UTILITIES IL0315350 Illinois Community 30,043
LA VIRGENCITA PR0005627 PR Community 30,035
THE MULTI LEARNING CENTE NJ1922316 New Jersey Non-Transient Non-Community 30,035
JBER-ELMENDORF AK2211423 Alaska Community 30,003
CITY OF JAX - LAKESHORE WTP FL2164369 Community 30,000
POCONO RACEWAY-GRANDSTAND PA2451010 Pennsylvania Transient Non-Community 30,000
CANTON WATER DEPT-NORTHWEST OH7601022 Ohio Community 30,000
BARBERTON WATER DEPARTMENT OH7700414 Ohio Community 30,000
SAHARA HOTEL NV0001046 Nevada Transient Non-Community 30,000
GREAT ADVENTURE INC NJ1319200 New Jersey Transient Non-Community 30,000
ARKABUTLA LAKE SOUTH ABUNDMENT MS0690043 Mississippi Transient Non-Community 30,000
YPSILANTI COMM UTILITIES AUTH MI0007255 Michigan Community 30,000
LAWRENCEVILLE GA1350005 Georgia Community 30,000
PENTACOSTAL CHURCH CAMP IL0044883 Illinois Transient Non-Community 30,000
FKAA - FLORIDA KEYS R.O. PLANTS FL5444047 Florida Community 30,000
PUEBLO WEST MD CO0151650 Colorado Community 30,000
TOWN OF OCEAN CITY MD0230003 Maryland Community 30,000
MIDDLETOWN CITY NY3503534 New York Community 30,000
OSSINING WATER DEPARTMENT NY5903451 New York Community 30,000
SCHERERVILLE WATER DEPARTMENT IN5245041 Indiana Community 30,000
DANIA BEACH, CITY OF FL4060253 Florida Community 30,000
CROWN POINT WATER WORKS IN5245008 Indiana Community 30,000
CITY OF SAN JUAN TX1080010 Texas Community 30,000
WEST MORGAN-EAST LAWRENCE W&S AUTHORITY AL0001092 Alabama Community 30,000
VIENNA, TOWN OF VA6059800 Virginia Community 30,000
LATROBE MUNI AUTH PA5650060 Pennsylvania Community 30,000
BRODHEAD CREEK REG WATER AUTH PA2450034 Pennsylvania Community 30,000
QUIL CEDA VILLAGE 105300116 Washington Non-Transient Non-Community 30,000
OAK LODGE WATER SERVICES OR4101512 Oregon Community 30,000
KEENE WATER DEPT NH1241010 New Hampshire Community 30,000
SOUTH STICKNY SD IL0317370 Illinois Community 30,000
CHATHAM WATER DEPARTMENT MA4055000 Massachusetts Community 30,000
BEAR CREEK WSD CO0130138 Colorado Community 30,000
GUILDERLAND TOWN WD NY0100205 New York Community 30,000
Chaska MN1100002 Minnesota Community 30,000
SHAWNEE MUNICIPAL AUTHORITY OK1020504 Oklahoma Community 29,990
VALLEY CENTER MWD CA3710026 California Community 29,938
DEL-CO WATER CO/ALUM CR.PLANT OH2100221 Ohio Community 29,928
DEL-CO WATER/OLENTANGY PLANT OH2100211 Ohio Community 29,928
CLACKAMAS RIVER WATER OR4100187 Oregon Community 29,918
NORWOOD WATER DEPT. (MWRA) MA4220000 Massachusetts Community 29,909
WHEELING WV3303516 West Virginia Community 29,899
MAKAWAO HI0000213 Hawaii Community 29,868
JONAH WATER SUD TX2460022 Texas Community 29,861
CALIF STATE POLYTECHNICAL UNIV - POMONA CA1910022 California Community 29,854
FREEHOLD TWP WATER DEPT NJ1316001 New Jersey Community 29,831