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Preston County, West Virginia — public water systems

At a glance

75 active public water systems are filed under Preston County, West Virginia in EPA's SDWIS records, together reporting 32,453 people served. The largest is Preston County Psd 4, which reports serving 8,753 people. 13 are community water systems serving people where they live; the other 62 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

75

Population served

32.5K

Community systems

13

Groundwater share

89.3%

How does Preston County compare with other West Virginia counties?

Preston County has the 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 32,453 people served in total, the 16th-largest county figure in the state and 2% of the statewide total. The average system here reports serving 433 people, well 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 Preston County's drinking water come from?

By primary water source, Preston County's active systems draw on groundwater (66, 88%), purchased surface water (5, 6.7%), surface water (3, 4%) and groundwater under influence of surface water (1, 1.3%). Overall, 89% rely mainly on groundwater (including purchased groundwater) and 11% 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, Preston County Psd 4, draws primarily on groundwater.

What kinds of water systems operate in Preston County?

Preston County's active systems break down as 13 community systems (17%), 1 non-transient non-community systems (1.3%) and 61 transient non-community systems (81%). 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 (83%), local government (16%) and state government (1.3%).

The 50 largest water systems in Preston County

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Active public water systems in Preston County, West Virginia
#Water systemCountyPopulation servedTypeSource
1Preston County Psd 4Preston8,753CommunityGroundwater
2Kingwood Water BoardPreston7,674CommunitySurface water
3Preston County Psd 1Preston3,455CommunitySurface water
4Masontown Water WorksPreston2,239CommunityPurchased surface water
5Terra Alta Water WorksPreston1,856CommunityGroundwater under influence of surface water
6Tunnelton Town ofPreston1,346CommunityPurchased surface water
7Alpine Lake Public UtilitiesPreston1,325CommunityGroundwater
8Newburg Town ofPreston1,116CommunityPurchased surface water
9Rowlesburg Water WorksPreston680CommunitySurface water
10Albright Town ofPreston317CommunityPurchased surface water
11Preston Co Psd 1 PurchaserPreston291CommunityPurchased surface water
12Arthurdale Water Assoc.Preston264CommunityGroundwater
13Aurora Elementary and Jr HighPreston195Non-transient non-communityGroundwater
14Alyeska Inc.Preston50Transient non-communityGroundwater
15Alyeska Inc.Preston50Transient non-communityGroundwater
16Alyeska Inc.Preston50Transient non-communityGroundwater
17Alyeska Inc.Preston50Transient non-communityGroundwater
18Alyeska Inc.Preston50Transient non-communityGroundwater
19Alyeska Inc.Preston50Transient non-communityGroundwater
20Alyeska Inc.Preston50Transient non-communityGroundwater
21Alyeska Inc.Preston50Transient non-communityGroundwater
22Alyeska Inc.Preston50Transient non-communityGroundwater
23Alyeska Inc.Preston50Transient non-communityGroundwater
24Alyeska Inc.Preston50Transient non-communityGroundwater
25Alyeska Inc.Preston50Transient non-communityGroundwater
26Alyeska Inc.Preston50Transient non-communityGroundwater
27Alyeska Inc.Preston50Transient non-communityGroundwater
28Alyeska Inc.Preston50Transient non-communityGroundwater
29Alyeska Inc.Preston50Transient non-communityGroundwater
30Alyeska Inc.Preston50Transient non-communityGroundwater
31Alyeska Inc.Preston50Transient non-communityGroundwater
32Alyeska Inc.Preston50Transient non-communityGroundwater
33Alyeska Inc.Preston50Transient non-communityGroundwater
34Alyeska Inc.Preston50Transient non-communityGroundwater
35Alyeska Inc.Preston50Transient non-communityGroundwater
36Alyeska Inc.Preston50Transient non-communityGroundwater
37Alyeska - Big Bear Lake StorePreston50Transient non-communityGroundwater
38Alyeska Inc.Preston50Transient non-communityGroundwater
39Alyeska Inc.Preston50Transient non-communityGroundwater
40Alyeska Inc.Preston50Transient non-communityGroundwater
41Alyeska Inc.Preston50Transient non-communityGroundwater
42Alyeska Inc.Preston50Transient non-communityGroundwater
43Alyeska Inc.Preston50Transient non-communityGroundwater
44Alyeska Inc.Preston50Transient non-communityGroundwater
45Alyeska Inc.Preston50Transient non-communityGroundwater
46Alyeska Inc.Preston50Transient non-communityGroundwater
47Alyeska Inc.Preston50Transient non-communityGroundwater
48Alyeska Inc.Preston50Transient non-communityGroundwater
49Alyeska Inc.Preston50CommunityGroundwater
50Alyeska Inc.Preston50Transient non-communityGroundwater

All other water systems in Preston County (25)

The remaining active systems filed under Preston County, largest first, with the population each reports serving.

Preston County water systems: frequently asked questions

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

EPA's SDWIS records file 75 active public water systems under Preston County, West Virginia: 13 community systems (17%), 1 non-transient non-community systems (1.3%) and 61 transient non-community systems (81%).

Who supplies drinking water in Preston County, WV?

The largest community water systems filed under Preston County are Preston County Psd 4 (8,753 people served), Kingwood Water Board (7,674 people served) and Preston County Psd 1 (3,455 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 Preston County's drinking water come from groundwater or surface water?

Of the 75 active public water systems in Preston County, 89% draw mainly on groundwater and 11% on surface water, counting purchased supplies. The largest system, Preston County Psd 4, uses groundwater.

Where can I find a water quality report for Preston 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 Preston 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 Preston 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 Preston County, West Virginia”, https://aquacensus.com/water-systems/west-virginia/preston (data as of October 1, 2026).