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Carter County, Tennessee — public water systems

At a glance

15 active public water systems are filed under Carter County, Tennessee in EPA's SDWIS records, together reporting 59,496 people served. The largest is Elizabethton Water Dept, which reports serving 32,490 people. 9 are community water systems serving people where they live; the other 6 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

15

Population served

59.5K

Community systems

9

Groundwater share

66.7%

How does Carter County compare with other Tennessee counties?

Carter County has the 17th-most active public water systems among the 323 counties listed for active Tennessee systems in EPA records; among the 152 with 3 or more systems, the median has 6. Its systems report 59,496 people served in total, the 30th-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 3,966 people, about 31% below the Tennessee average of 5,780. 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 Carter County's drinking water come from?

By primary water source, Carter County's active systems draw on groundwater (9, 60%), purchased surface water (4, 27%), groundwater under influence of surface water (1, 6.7%) and surface water (1, 6.7%). Overall, 67% rely mainly on groundwater (including purchased groundwater) and 33% on surface water, compared with 80% and 20% across Tennessee. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Elizabethton Water Dept, draws primarily on purchased surface water.

What kinds of water systems operate in Carter County?

Carter County's active systems break down as 9 community systems (60%) and 6 transient non-community systems (40%). 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 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 local government (53%) and private (47%).

Water systems in Carter County

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Active public water systems in Carter County, Tennessee
#Water systemCountyPopulation servedTypeSource
1Elizabethton Water DeptCarter32,490CommunityPurchased surface water
2First U.D. of Carter CountyCarter9,143CommunityGroundwater under influence of surface water
3South Elizabethton U.D.Carter6,244CommunityPurchased surface water
4Hampton Utility DistrictCarter4,354CommunityGroundwater
5Siam Utility DistrictCarter3,319CommunityPurchased surface water
6North Elizabethton Water Co-OpCarter1,555CommunityPurchased surface water
7Roan Mountain Utility DistrictCarter1,226CommunityGroundwater
8Fish Springs MarinaCarter374Transient non-communityGroundwater
9Watauga River Reg Water AuthCarter353CommunitySurface water
10Peters Hollow Water SystemCarter196CommunityGroundwater
11Johnson CabinsCarter73Transient non-communityGroundwater
12Black Bear ResortCarter69Transient non-communityGroundwater
13Cove Creek Campground #2Carter40Transient non-communityGroundwater
14Sugar Hollow Rv ParkCarter34Transient non-communityGroundwater
15Cove Creek Campground #1Carter26Transient non-communityGroundwater

Carter County water systems: frequently asked questions

How many public water systems are in Carter County, Tennessee?

EPA's SDWIS records file 15 active public water systems under Carter County, Tennessee: 9 community systems (60%) and 6 transient non-community systems (40%).

Who supplies drinking water in Carter County, TN?

The largest community water systems filed under Carter County are Elizabethton Water Dept (32,490 people served), First U.D. of Carter County (9,143 people served) and South Elizabethton U.D. (6,244 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 Carter County's drinking water come from groundwater or surface water?

Of the 15 active public water systems in Carter County, 67% draw mainly on groundwater and 33% on surface water, counting purchased supplies. The largest system, Elizabethton Water Dept, uses purchased surface water.

Where can I find a water quality report for Carter 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. 9 community systems are filed under Carter 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 Carter 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 Tennessee 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 Carter County, Tennessee”, https://aquacensus.com/water-systems/tennessee/carter (data as of October 1, 2026).