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
DUMAS WATERWORKS AR0000171 Arkansas Community 6,338
DAMASCUS WATER DISTRICT OR4100133 Oregon Community 6,336
MARGARET WATER WORKS AL0001199 Alabama Community 6,336
BETHLEHEM-ROANOKE W/D (SC3920003) SC3920003 South Carolina Community 6,334
PARRISH WATER WORKS BOARD AL0001344 Alabama Community 6,333
GRAFTON CITY OF WV3304601 West Virginia Community 6,333
WESTMORELAND WATER SYSTEM TN0000738 Tennessee Community 6,330
DALTON FIRE DISTRICT MA1070000 Massachusetts Community 6,330
HARRIS COUNTY MUD 65 TX1011678 Texas Community 6,330
KENNETT SQUARE MUN WATER WORKS PA1150108 Pennsylvania Community 6,328
CLYDE CITY OH7200211 Ohio Community 6,325
CHERAW TOWN OF (SC1310001) SC1310001 South Carolina Community 6,325
FIRST CRAVEN SANITARY DISTRICT NC0425040 North Carolina Community 6,325
MARSHALL CO WATER CORP OK1010818 Oklahoma Community 6,325
CTWC - NAUGATUCK REG-COLLINSVILLE SYS CT0230011 Connecticut Community 6,324
NASHVILLE WATER DEPT #2 - O.H.U.D TN0000527 Tennessee Community 6,321
NORTH TAHOE PUD - MAIN CA3110001 California Community 6,321
BLAINE CITY OF WA5307300 Washington Community 6,319
CITY OF LINDALE TX2120002 Texas Community 6,313
Byron MN1550001 Minnesota Community 6,312
POWELL, CITY OF WY5600042 Wyoming Community 6,310
SOMERSET BORO MUNI WATER AUTH PA4560042 Pennsylvania Community 6,309
METROPOLIS IL1270150 Illinois Community 6,309
MOUNT OLIVE WATER ASSOCIATION AR0000668 Arkansas Community 6,308
COQUI PR0004915 PR Community 6,307
CARMI IL1930100 Illinois Community 6,307
MARION-ARCADIA-SODUS CSA NY5801231 New York Community 6,303
PARKER COUNTY SUD SURFACE TX1840079 Texas Community 6,300
P G AND W RESERVOIR #5 PA2359017 Pennsylvania Community 6,300
RAINBOW WATER DISTRICT OR4100839 Oregon Community 6,300
E.I. DUPONT DE NEMOURS & CO NJ1716200 New Jersey Transient Non-Community 6,300
NORTHSHORE UNIVERSITY EVANSTON IL3158048 Illinois Non-Transient Non-Community 6,300
CCUA SARATOGA SPRINGS WTP FL2104472 Community 6,300
RICHLAND WATER DIST KY0610369 Kentucky Community 6,300
MR. VERN HAYES IN2540144 Indiana Transient Non-Community 6,300
HOLDEN BEACH, TOWN OF NC0410060 North Carolina Community 6,299
FORT BEND COUNTY MUD 35 TX0790433 Texas Community 6,297
OHIO COUNTY PSD WV3303508 West Virginia Community 6,297
KUSHLA WATER DISTRICT AL0000993 Alabama Community 6,294
CARL T HAYDEN VETERANS MEDICAL CENTER AZ0407580 Arizona Non-Transient Non-Community 6,293
TALENT, CITY OF OR4100857 Oregon Community 6,293
SAN DIEGO MUD 1 TX0660003 Texas Community 6,291
FORT MASSAC PWD IL1275050 Illinois Community 6,290
EL OSO WSC TX1280007 Texas Community 6,288
GULF COUNTY WATER DEPARTMENT FL1230848 Florida Community 6,287
CALAVERAS PUD CA0510002 California Community 6,286
TUCKERTON WATER & SEWER DEPT NJ1532002 New Jersey Community 6,285
GRAND MISSION MUD 2 TX0790449 Texas Community 6,285
ROWLEY WATER DEPARTMENT MA3254000 Massachusetts Community 6,283
MAYES CO RWD # 2 OK3004608 Oklahoma Community 6,280