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
WAHPETON CITY OF ND3900973 North Dakota Community 7,766
NORTHWEST HARRIS COUNTY MUD 12 TX1011901 Texas Community 7,764
SIGNAL MOUNTAIN WATER SYSTEM TN0000634 Tennessee Community 7,761
TELLICO PLAINS WATER DEPT TN0000693 Tennessee Community 7,759
HAMPSHIRE IL0890450 Illinois Community 7,758
MT HOREB WATERWORKS WI1130247 Wisconsin Community 7,756
NORTH HARDIN WSC TX1000015 Texas Community 7,755
CITY OF CROCKETT TX1130001 Texas Community 7,755
VALLEY PSA (SC0220012) SC0220012 South Carolina Community 7,752
POCAHONTAS WATERWORKS AR0000474 Arkansas Community 7,752
ELVIA WTP FL2160228 Florida Community 7,750
NORTH PRAIRIE RWD-SYSTEM 1&2 ND5101125 North Dakota Community 7,748
JAYUYA URBANO PR0002712 PR Community 7,746
SODUS-HURON-WOLCOTT-BUTLER CSA NY5801247 New York Community 7,746
BLOOMINGDALE WATER DEPT NJ1601001 New Jersey Community 7,742
Scottsdale Community College 090407149 Arizona Non-Transient Non-Community 7,741
MAMMOTH MOUNTAIN SKI AREA - OUTPOST 14 CA2600624 California Non-Transient Non-Community 7,736
UPPER LEACOCK TOWNSHIP PA7360140 Pennsylvania Community 7,734
COLCHESTER FIRE DISTRICT 3 VT0005060 Vermont Community 7,733
PORT RICHEY WATER DEPT-CITY OF FL6510324 Florida Community 7,732
ROGERS CO RWD # 4 OK1021506 Oklahoma Community 7,725
RIPON WATER UTILITY WI4200476 Community 7,716
LAMAR PARK WATER & SEWAGE ASSN MS0370004 Mississippi Community 7,714
ELIZABETHTOWN WATER PLANT #2 KY0470482 Kentucky Community 7,711
KNOX COUNTY WATER AND WASTEWATER PWS OH4202012 Ohio Community 7,710
ROYALTON TOWNWIDE WATER DIST. NY3100580 New York Community 7,710
SUN N LAKES OF SEBRING WATER FL6280274 Florida Community 7,710
AUTAUGA CO WATER AUTHORITY AL0000001 Alabama Community 7,710
WEST BRIDGEWATER WATER DEPT MA4322000 Massachusetts Community 7,709
HUDSONVILLE MI0003290 Michigan Community 7,708
CANFIELD CITY PWS OH5000503 Ohio Community 7,706
CATOOSA UTILITY DISTRICT, CROSSVILLE TN0000158 Tennessee Community 7,705
WESTERN HEIGHTS WATER COMPANY CA3610053 California Community 7,705
MGR,FRIGIDAIRE DIVISION OH5734112 Ohio Transient Non-Community 7,700
TELFORD BOROUGH AUTHORITY PA1460050 Pennsylvania Community 7,700
ACWORTH WATER SYSTEM GA0670000 Community 7,700
PLAYLAND VILLAGE FL4061123 Florida Community 7,700
ANDERSEN AIR FORCE BASE WATER SYSTEM GU0000009 GU Community 7,700
WASHINGTONVILLE VILLAGE NY3503567 New York Community 7,700
SEWARD, CITY OF NE3115905 Nebraska Community 7,700
BUZZARDS BAY WATER DISTRICT MA4036001 Massachusetts Community 7,700
TBCD WEST TREATMENT PLANT TX0360030 Texas Community 7,695
CITY OF RIVER OAKS TX2200069 Texas Community 7,691
FANNIN WATER ASSN-NORTH MS0610008 Mississippi Community 7,690
WOODBINE SPECIAL UTILITY DISTRICT TX0490018 Texas Community 7,689
CLEAR LAKE WATER DEPARTMENT IA1716076 Iowa Community 7,687
UPPER KULA HI0000215 Hawaii Community 7,686
ROCKTON IL2010350 Illinois Community 7,685
RATTLESNAKE PWS OH2437412 Ohio Community 7,685
MATTAPOISETT WATER DEPARTMENT MA4173000 Massachusetts Community 7,685