Mercer County, Tennessee — public water systems
At a glance
9 active public water systems are filed under Mercer County, Tennessee in EPA's SDWIS records, together reporting 559 people served. The largest is Dollar Gen 8289 Stoneboro, which reports serving 200 people.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
9
Population served
559
Community systems
—
Groundwater share
100%
How does Mercer County compare with other Tennessee counties?
Mercer County has the 38th-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 559 people served in total, the 133rd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 62 people, well 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 Mercer County's drinking water come from?
By primary water source, Mercer County's active systems draw on groundwater (9, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none 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, Dollar Gen 8289 Stoneboro, draws primarily on groundwater.
What kinds of water systems operate in Mercer County?
Mercer County's active systems break down as 9 transient non-community systems (100%). 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 (100%).
Water systems in Mercer County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Dollar Gen 8289 Stoneboro | Mercer | 200 | Transient non-community | Groundwater |
| 2 | Tsc Store 240 | Mercer | 184 | Transient non-community | Groundwater |
| 3 | Dollar General 30279 Greenvill | Mercer | 25 | Transient non-community | Groundwater |
| 4 | Dollar General 30215 Greenvill | Mercer | 25 | Transient non-community | Groundwater |
| 5 | Dollar Gen 17753 Jackson Ctr | Mercer | 25 | Transient non-community | Groundwater |
| 6 | Dollar Gen 4940 Grove City | Mercer | 25 | Transient non-community | Groundwater |
| 7 | Dollar General New Wilm 10324 | Mercer | 25 | Transient non-community | Groundwater |
| 8 | Dollar Gen 18430 Fredonia | Mercer | 25 | Transient non-community | Groundwater |
| 9 | Dollar Gen 14900 Sheakleyville | Mercer | 25 | Transient non-community | Groundwater |
Mercer County water systems: frequently asked questions
How many public water systems are in Mercer County, Tennessee?
EPA's SDWIS records file 9 active public water systems under Mercer County, Tennessee: 9 transient non-community systems (100%).
Does Mercer County's drinking water come from groundwater or surface water?
Of the 9 active public water systems in Mercer County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Dollar Gen 8289 Stoneboro, uses groundwater.
Where can I find a water quality report for Mercer 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.
How can I check violations for a water system in Mercer 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 Mercer County, Tennessee”, https://aquacensus.com/water-systems/tennessee/mercer (data as of October 1, 2026).