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Madison County, Tennessee — public water systems

At a glance

23 active public water systems are filed under Madison County, Tennessee in EPA's SDWIS records, together reporting 99,581 people served. The largest is Jackson Water System, which reports serving 91,111 people. 2 are community water systems serving people where they live; the other 21 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

23

Population served

99.6K

Community systems

2

Groundwater share

100%

How does Madison County compare with other Tennessee counties?

Madison County has the 3rd-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 99,581 people served in total, the 16th-largest county figure in the state and 1.2% of the statewide total. The average system here reports serving 4,330 people, about 25% 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 Madison County's drinking water come from?

By primary water source, Madison County's active systems draw on groundwater (23, 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, Jackson Water System, draws primarily on groundwater.

What kinds of water systems operate in Madison County?

Madison County's active systems break down as 2 community systems (8.7%) and 21 transient non-community systems (91%). 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 private (83%), local government (8.7%) and state government (8.7%).

Water systems in Madison County

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Active public water systems in Madison County, Tennessee
#Water systemCountyPopulation servedTypeSource
1Jackson Water SystemMadison91,111CommunityGroundwater
2I-40 Rest Area MadisonMadison5,000Transient non-communityGroundwater
3Travel Center of AmericaMadison700Transient non-communityGroundwater
4Antioch Bc - HumboldtMadison300Transient non-communityGroundwater
5Bethlehem Baptist ChurchMadison300Transient non-communityGroundwater
6Parkburg Baptist ChurchMadison279Transient non-communityGroundwater
7Friendship Baptist St ChurchMadison245Transient non-communityGroundwater
8Dollar General #20756 - Mount SterlingMadison223Transient non-communityGroundwater
9Rodeway InnMadison200Transient non-communityGroundwater
10Denmark Truck StopMadison200Transient non-communityGroundwater
11Jea-Mercer PlantMadison168CommunityGroundwater
12Cane Creek Baptist ChurchMadison125Transient non-communityGroundwater
13Camp Clark Williamson LodgeMadison100Transient non-communityGroundwater
14Cerro Gordo Baptist ChurchMadison100Transient non-communityGroundwater
15Camp Clark WilliamsonMadison100Transient non-communityGroundwater
16Ararat Baptist ChurchMadison100Transient non-communityGroundwater
17Maple Springs Baptist ChurchMadison70Transient non-communityGroundwater
18Dollar General - ElwoodMadison55Transient non-communityGroundwater
19Wards Grove Baptist ChurchMadison55Transient non-communityGroundwater
20Joy-O Travel ParkMadison50Transient non-communityGroundwater
21Middle Fork Bottoms TnparkMadison50Transient non-communityGroundwater
22Dollar General - DenmarkMadison25Transient non-communityGroundwater
23Dollar General #31330 MarquandMadison25Transient non-communityGroundwater

Madison County water systems: frequently asked questions

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

EPA's SDWIS records file 23 active public water systems under Madison County, Tennessee: 2 community systems (8.7%) and 21 transient non-community systems (91%).

Who supplies drinking water in Madison County, TN?

The largest community water systems filed under Madison County are Jackson Water System (91,111 people served) and Jea-Mercer Plant (168 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 Madison County's drinking water come from groundwater or surface water?

Of the 23 active public water systems in Madison County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Jackson Water System, uses groundwater.

Where can I find a water quality report for Madison 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. 2 community systems are filed under Madison 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 Madison 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 Madison County, Tennessee”, https://aquacensus.com/water-systems/tennessee/madison (data as of October 1, 2026).