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Lewis County, Tennessee — public water systems

At a glance

4 active public water systems are filed under Lewis County, Tennessee in EPA's SDWIS records, together reporting 13,043 people served. The largest is Hohenwald Water System, which reports serving 12,475 people. 2 are community water systems serving people where they live; the other 2 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

4

Population served

13K

Community systems

2

Groundwater share

75%

How does Lewis County compare with other Tennessee counties?

Lewis County has the 121st-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 13,043 people served in total, the 77th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 3,261 people, about 44% 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 Lewis County's drinking water come from?

By primary water source, Lewis County's active systems draw on groundwater (3, 75%) and surface water (1, 25%). Overall, 75% rely mainly on groundwater (including purchased groundwater) and 25% 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, Hohenwald Water System, draws primarily on groundwater.

What kinds of water systems operate in Lewis County?

Lewis County's active systems break down as 2 community systems (50%) and 2 transient non-community systems (50%). 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 (75%) and local government (25%).

Water systems in Lewis County

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Active public water systems in Lewis County, Tennessee
#Water systemCountyPopulation servedTypeSource
1Hohenwald Water SystemLewis12,475CommunityGroundwater
2Natchez Trace Wilderness PrsrvLewis333Transient non-communityGroundwater
3The Farm Water SystemLewis210CommunityGroundwater
4Fall Hollow CampgroundLewis25Transient non-communitySurface water

Lewis County water systems: frequently asked questions

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

EPA's SDWIS records file 4 active public water systems under Lewis County, Tennessee: 2 community systems (50%) and 2 transient non-community systems (50%).

Who supplies drinking water in Lewis County, TN?

The largest community water systems filed under Lewis County are Hohenwald Water System (12,475 people served) and The Farm Water System (210 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 Lewis County's drinking water come from groundwater or surface water?

Of the 4 active public water systems in Lewis County, 75% draw mainly on groundwater and 25% on surface water, counting purchased supplies. The largest system, Hohenwald Water System, uses groundwater.

Where can I find a water quality report for Lewis 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 Lewis 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 Lewis 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 Lewis County, Tennessee”, https://aquacensus.com/water-systems/tennessee/lewis (data as of October 1, 2026).