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
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Charles Town Utilities | Jefferson | 15,220 | Community | Surface water |
| 2 | Wvaw - Walnut Grove Utilities | Jefferson | 7,250 | Community | Groundwater under influence of surface water |
| 3 | Corporation of Shepherdstown | Jefferson | 4,300 | Community | Surface water |
| 4 | Corporation of Harpers Ferry | Jefferson | 2,122 | Community | Surface water |
| 5 | Wvaw - the Mountain Water System | Jefferson | 976 | Community | Groundwater |
| 6 | Blue Ridge Elementary | Jefferson | 455 | Non-transient non-community | Groundwater |
| 7 | Shepherdstown Elementary School | Jefferson | 450 | Non-transient non-community | Groundwater |
| 8 | Page Jackson Solar Elem | Jefferson | 450 | Non-transient non-community | Groundwater |
| 9 | South Jefferson Elementary | Jefferson | 424 | Non-transient non-community | Groundwater |
| 10 | Eastern Panhandle Preparatory Academy | Jefferson | 300 | Non-transient non-community | Groundwater |
| 11 | Blue Ridge Primary School | Jefferson | 248 | Non-transient non-community | Groundwater |
| 12 | E Z Mart | Jefferson | 200 | Transient non-community | Groundwater |
| 13 | Charles Town Utl-Glen Haven Utilities | Jefferson | 195 | Community | Groundwater |
| 14 | Oak Hill Mobile Home Community LLC | Jefferson | 172 | Community | Groundwater |
| 15 | Allens Wonderland | Jefferson | 157 | Transient non-community | Groundwater |
| 16 | Us Fish & Wildlife-Nctc | Jefferson | 150 | Non-transient non-community | Groundwater |
| 17 | Wvaw - Deerfield Village Subdivision | Jefferson | 132 | Community | Groundwater under influence of surface water |
| 18 | Wvaw - Cave Quarter Utility | Jefferson | 126 | Community | Groundwater |
| 19 | Summit Point Tactical Training Center | Jefferson | 125 | Non-transient non-community | Groundwater |
| 20 | Rock Spring Church | Jefferson | 120 | Non-transient non-community | Groundwater |
| 21 | Charles Town Utl-Cavaland Subdivision | Jefferson | 107 | Community | Groundwater |
| 22 | Usgs Leetown Science Center | Jefferson | 105 | Non-transient non-community | Groundwater under influence of surface water |
| 23 | Summit Point Raceway | Jefferson | 100 | Transient non-community | Groundwater |
| 24 | Leights MHP | Jefferson | 78 | Community | Groundwater under influence of surface water |
| 25 | Russells MHP | Jefferson | 75 | Community | Groundwater under influence of surface water |
| 26 | Usda Appalachian Fruit Research Station | Jefferson | 70 | Non-transient non-community | Groundwater |
| 27 | Caz/Hillbrook Inn | Jefferson | 70 | Transient non-community | Groundwater |
| 28 | Summit Point - Main Office | Jefferson | 50 | Transient non-community | Groundwater |
| 29 | Potomac Farms Water Co | Jefferson | 27 | Community | Groundwater |
| 30 | Morgan Grove Park | Jefferson | 25 | Transient non-community | Groundwater |
| 31 | River Country Store | Jefferson | 25 | Transient non-community | Groundwater |
| 32 | Rolling Ridge Conservatory | Jefferson | 25 | Transient non-community | Groundwater |
| 33 | Bakerton Market | Jefferson | 25 | Transient non-community | Groundwater |
| 34 | Tj'S Pit Stop | Jefferson | 25 | Transient non-community | Groundwater |
| 35 | Mountaineer Mini Mart | Jefferson | 25 | Transient non-community | Groundwater |
| 36 | Hawthorne Inn | Jefferson | 25 | Transient non-community | Groundwater |
| 37 | Middleway Market | Jefferson | 25 | Transient non-community | Groundwater |
| 38 | Dollar General Store Middleway | Jefferson | 25 | Transient non-community | Groundwater |
| 39 | Black Dog Coffee | Jefferson | 25 | Transient non-community | Groundwater |
| 40 | Claymont Society | Jefferson | 25 | Transient non-community | Groundwater |
| 41 | Summit Point Park | Jefferson | 25 | Transient non-community | Groundwater |
| 42 | Harpers Ferry Campground | Jefferson | 25 | Transient non-community | Groundwater |
| 43 | Images C and A Enterprises | Jefferson | 25 | Transient non-community | Groundwater |
| 44 | Railside Market | Jefferson | 25 | Transient non-community | Groundwater |
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).