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Humphreys County, Tennessee — public water systems

At a glance

17 active public water systems are filed under Humphreys County, Tennessee in EPA's SDWIS records, together reporting 17,560 people served. The largest is Waverly Water Department, which reports serving 9,270 people. 3 are community water systems serving people where they live; the other 14 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

17

Population served

17.6K

Community systems

3

Groundwater share

82.4%

How does Humphreys County compare with other Tennessee counties?

Humphreys County has the 11th-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 17,560 people served in total, the 68th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,033 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 Humphreys County's drinking water come from?

By primary water source, Humphreys County's active systems draw on groundwater (13, 76%), surface water (3, 18%) and groundwater under influence of surface water (1, 5.9%). Overall, 82% rely mainly on groundwater (including purchased groundwater) and 18% 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, Waverly Water Department, draws primarily on surface water.

What kinds of water systems operate in Humphreys County?

Humphreys County's active systems break down as 3 community systems (18%), 3 non-transient non-community systems (18%) and 11 transient non-community systems (65%). 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 (82%) and local government (18%).

Water systems in Humphreys County

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Active public water systems in Humphreys County, Tennessee
#Water systemCountyPopulation servedTypeSource
1Waverly Water DepartmentHumphreys9,270CommunitySurface water
2Mcewen WaterworksHumphreys3,594CommunityGroundwater
3New Johnsonville Water DeptHumphreys2,961CommunitySurface water
4Chemours-New Johnsonville PlantHumphreys465Non-transient non-communitySurface water
5Mason'S Boat DockHumphreys239Transient non-communityGroundwater
6Aspen Youth AcademyHumphreys225Non-transient non-communityGroundwater under influence of surface water
7Scepter Ingot Casting, Inc..Humphreys129Non-transient non-communityGroundwater
8Pine Hill Ch of the NazareneHumphreys120Transient non-communityGroundwater
9Compassion ChurchHumphreys120Transient non-communityGroundwater
10I-40 Hideaway CampgroundHumphreys96Transient non-communityGroundwater
11Cedar Grove Baptist ChurchHumphreys75Transient non-communityGroundwater
12Ellis Grove Presbyterian ChurchHumphreys50Transient non-communityGroundwater
13Clydeton Boat DockHumphreys50Transient non-communityGroundwater
14Bottoms Up Bar & GrillHumphreys50Transient non-communityGroundwater
15Wooten Woods Retreat W.S.Humphreys50Transient non-communityGroundwater
16Turkey Creek MarinaHumphreys41Transient non-communityGroundwater
17Cuba Landing MarinaHumphreys25Transient non-communityGroundwater

Humphreys County water systems: frequently asked questions

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

EPA's SDWIS records file 17 active public water systems under Humphreys County, Tennessee: 3 community systems (18%), 3 non-transient non-community systems (18%) and 11 transient non-community systems (65%).

Who supplies drinking water in Humphreys County, TN?

The largest community water systems filed under Humphreys County are Waverly Water Department (9,270 people served), Mcewen Waterworks (3,594 people served) and New Johnsonville Water Dept (2,961 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 Humphreys County's drinking water come from groundwater or surface water?

Of the 17 active public water systems in Humphreys County, 82% draw mainly on groundwater and 18% on surface water, counting purchased supplies. The largest system, Waverly Water Department, uses surface water.

Where can I find a water quality report for Humphreys 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. 3 community systems are filed under Humphreys 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 Humphreys 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 Humphreys County, Tennessee”, https://aquacensus.com/water-systems/tennessee/humphreys (data as of October 1, 2026).