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Jefferson County, West Virginia — public water systems

At a glance

44 active public water systems are filed under Jefferson County, West Virginia in EPA's SDWIS records, together reporting 34,629 people served. The largest is Charles Town Utilities, which reports serving 15,220 people. 13 are community water systems serving people where they live; the other 31 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

44

Population served

34.6K

Community systems

13

Groundwater share

93.2%

How does Jefferson County compare with other West Virginia counties?

Jefferson County has the 2nd-most active public water systems among the 72 counties listed for active West Virginia systems in EPA records; among the 52 with 3 or more systems, the median has 10. Its systems report 34,629 people served in total, the 14th-largest county figure in the state and 2.2% of the statewide total. The average system here reports serving 787 people, about 61% below the West Virginia average of 2,032. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Jefferson County's drinking water come from?

By primary water source, Jefferson County's active systems draw on groundwater (36, 82%), groundwater under influence of surface water (5, 11%) and surface water (3, 6.8%). Overall, 93% rely mainly on groundwater (including purchased groundwater) and 6.8% on surface water, compared with 65% and 35% across West Virginia. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Charles Town Utilities, draws primarily on surface water.

What kinds of water systems operate in Jefferson County?

Jefferson County's active systems break down as 13 community systems (30%), 11 non-transient non-community systems (25%) and 20 transient non-community systems (45%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (64%), local government (27%), federal government (6.8%) and state government (2.3%).

Water systems in Jefferson County

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Active public water systems in Jefferson County, West Virginia
#Water systemCountyPopulation servedTypeSource
1Charles Town UtilitiesJefferson15,220CommunitySurface water
2Wvaw - Walnut Grove UtilitiesJefferson7,250CommunityGroundwater under influence of surface water
3Corporation of ShepherdstownJefferson4,300CommunitySurface water
4Corporation of Harpers FerryJefferson2,122CommunitySurface water
5Wvaw - the Mountain Water SystemJefferson976CommunityGroundwater
6Blue Ridge ElementaryJefferson455Non-transient non-communityGroundwater
7Shepherdstown Elementary SchoolJefferson450Non-transient non-communityGroundwater
8Page Jackson Solar ElemJefferson450Non-transient non-communityGroundwater
9South Jefferson ElementaryJefferson424Non-transient non-communityGroundwater
10Eastern Panhandle Preparatory AcademyJefferson300Non-transient non-communityGroundwater
11Blue Ridge Primary SchoolJefferson248Non-transient non-communityGroundwater
12E Z MartJefferson200Transient non-communityGroundwater
13Charles Town Utl-Glen Haven UtilitiesJefferson195CommunityGroundwater
14Oak Hill Mobile Home Community LLCJefferson172CommunityGroundwater
15Allens WonderlandJefferson157Transient non-communityGroundwater
16Us Fish & Wildlife-NctcJefferson150Non-transient non-communityGroundwater
17Wvaw - Deerfield Village SubdivisionJefferson132CommunityGroundwater under influence of surface water
18Wvaw - Cave Quarter UtilityJefferson126CommunityGroundwater
19Summit Point Tactical Training CenterJefferson125Non-transient non-communityGroundwater
20Rock Spring ChurchJefferson120Non-transient non-communityGroundwater
21Charles Town Utl-Cavaland SubdivisionJefferson107CommunityGroundwater
22Usgs Leetown Science CenterJefferson105Non-transient non-communityGroundwater under influence of surface water
23Summit Point RacewayJefferson100Transient non-communityGroundwater
24Leights MHPJefferson78CommunityGroundwater under influence of surface water
25Russells MHPJefferson75CommunityGroundwater under influence of surface water
26Usda Appalachian Fruit Research StationJefferson70Non-transient non-communityGroundwater
27Caz/Hillbrook InnJefferson70Transient non-communityGroundwater
28Summit Point - Main OfficeJefferson50Transient non-communityGroundwater
29Potomac Farms Water CoJefferson27CommunityGroundwater
30Morgan Grove ParkJefferson25Transient non-communityGroundwater
31River Country StoreJefferson25Transient non-communityGroundwater
32Rolling Ridge ConservatoryJefferson25Transient non-communityGroundwater
33Bakerton MarketJefferson25Transient non-communityGroundwater
34Tj'S Pit StopJefferson25Transient non-communityGroundwater
35Mountaineer Mini MartJefferson25Transient non-communityGroundwater
36Hawthorne InnJefferson25Transient non-communityGroundwater
37Middleway MarketJefferson25Transient non-communityGroundwater
38Dollar General Store MiddlewayJefferson25Transient non-communityGroundwater
39Black Dog CoffeeJefferson25Transient non-communityGroundwater
40Claymont SocietyJefferson25Transient non-communityGroundwater
41Summit Point ParkJefferson25Transient non-communityGroundwater
42Harpers Ferry CampgroundJefferson25Transient non-communityGroundwater
43Images C and A EnterprisesJefferson25Transient non-communityGroundwater
44Railside MarketJefferson25Transient non-communityGroundwater

Jefferson County water systems: frequently asked questions

How many public water systems are in Jefferson County, West Virginia?

EPA's SDWIS records file 44 active public water systems under Jefferson County, West Virginia: 13 community systems (30%), 11 non-transient non-community systems (25%) and 20 transient non-community systems (45%).

Who supplies drinking water in Jefferson County, WV?

The largest community water systems filed under Jefferson County are Charles Town Utilities (15,220 people served), Wvaw - Walnut Grove Utilities (7,250 people served) and Corporation of Shepherdstown (4,300 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Jefferson County's drinking water come from groundwater or surface water?

Of the 44 active public water systems in Jefferson County, 93% draw mainly on groundwater and 6.8% on surface water, counting purchased supplies. The largest system, Charles Town Utilities, uses surface water.

Where can I find a water quality report for Jefferson County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 13 community systems are filed under Jefferson County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Jefferson County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More West Virginia water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Jefferson County, West Virginia”, https://aquacensus.com/water-systems/west-virginia/jefferson (data as of October 1, 2026).