Gibson County, Tennessee — public water systems

At a glance

15 active public water systems are filed under Gibson County, Tennessee in EPA's SDWIS records, together reporting 42,521 people served. The largest is Milan Water Dept, which reports serving 10,932 people. 13 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 October 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

42.5K

Community systems

Groundwater share

100%

How does Gibson County compare with other Tennessee counties?

Gibson County has the 16th-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 42,521 people served in total, the 39th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 2,835 people, about half of 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 Gibson County's drinking water come from?

By primary water source, Gibson County's active systems draw on groundwater (15, 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, Milan Water Dept, draws primarily on groundwater.

What kinds of water systems operate in Gibson County?

Gibson County's active systems break down as 13 community systems (87%), 1 non-transient non-community systems (6.7%) and 1 transient non-community systems (6.7%). 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 local government (73%), private (20%) and federal government (6.7%).

Water systems in Gibson County

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Active public water systems in Gibson County, Tennessee
#	Water system	County	Population served	Type	Source
1	Milan Water Dept	Gibson	10,932	Community	Groundwater
2	Humboldt Utilities-Water Dept	Gibson	9,908	Community	Groundwater
3	Trenton Water System	Gibson	5,155	Community	Groundwater
4	Gibson Co Muni Water Dist #4	Gibson	3,386	Community	Groundwater
5	Gibson Co Muni Water Dist #5	Gibson	2,864	Community	Groundwater
6	Dyer Water Dept	Gibson	2,783	Community	Groundwater
7	Gibson Co Muni Water Dist #1	Gibson	2,433	Community	Groundwater
8	Gibson Co Muni Water Dist #3	Gibson	1,465	Community	Groundwater
9	Rutherford Water Works	Gibson	1,404	Community	Groundwater
10	Bradford Water System	Gibson	1,276	Community	Groundwater
11	Gibson Water Dept	Gibson	466	Community	Groundwater
12	Milan Arsenal #1	Gibson	215	Community	Groundwater
13	First Baptist Church of Medina	Gibson	130	Transient non-community	Groundwater
14	County Line Trailer Park	Gibson	61	Community	Groundwater
15	Nw Headstart of Humboldt Co	Gibson	43	Non-transient non-community	Groundwater

Gibson County water systems: frequently asked questions

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

EPA's SDWIS records file 15 active public water systems under Gibson County, Tennessee: 13 community systems (87%), 1 non-transient non-community systems (6.7%) and 1 transient non-community systems (6.7%).

Who supplies drinking water in Gibson County, TN?

The largest community water systems filed under Gibson County are Milan Water Dept (10,932 people served), Humboldt Utilities-Water Dept (9,908 people served) and Trenton Water System (5,155 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 Gibson County's drinking water come from groundwater or surface water?

Of the 15 active public water systems in Gibson County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Milan Water Dept, uses groundwater.

Where can I find a water quality report for Gibson 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. 13 community systems are filed under Gibson 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 Gibson 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 Gibson County, Tennessee”, https://aquacensus.com/water-systems/tennessee/gibson (data as of October 1, 2026).