Obion County, Tennessee — public water systems
At a glance
11 active public water systems are filed under Obion County, Tennessee in EPA's SDWIS records, together reporting 31,724 people served. The largest is Union City Water Dept, which reports serving 16,180 people. 10 are community water systems serving people where they live; the other 1 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
11
Population served
31.7K
Community systems
10
Groundwater share
100%
How does Obion County compare with other Tennessee counties?
Obion County has the 29th-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 31,724 people served in total, the 50th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 2,884 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 Obion County's drinking water come from?
By primary water source, Obion County's active systems draw on groundwater (9, 82%) and purchased groundwater (2, 18%). 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, Union City Water Dept, draws primarily on groundwater.
What kinds of water systems operate in Obion County?
Obion County's active systems break down as 10 community systems (91%) and 1 transient non-community systems (9.1%). 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 local government (73%) and private (27%).
Water systems in Obion County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Union City Water Dept | Obion | 16,180 | Community | Groundwater |
| 2 | South Fulton Water System | Obion | 4,043 | Community | Groundwater |
| 3 | Elbridge Water Association | Obion | 3,239 | Community | Groundwater |
| 4 | Troy Water System | Obion | 2,096 | Community | Groundwater |
| 5 | Obion Water Dept | Obion | 1,615 | Community | Groundwater |
| 6 | Kenton Water Dept | Obion | 1,492 | Community | Groundwater |
| 7 | Hornbeak Utility District | Obion | 1,416 | Community | Groundwater |
| 8 | Samburg Utility District | Obion | 758 | Community | Purchased groundwater |
| 9 | Reelfoot Water Association | Obion | 644 | Community | Purchased groundwater |
| 10 | Mason Hall Development Corp | Obion | 211 | Community | Groundwater |
| 11 | Alamo Baptist Church | Obion | 30 | Transient non-community | Groundwater |
Obion County water systems: frequently asked questions
How many public water systems are in Obion County, Tennessee?
EPA's SDWIS records file 11 active public water systems under Obion County, Tennessee: 10 community systems (91%) and 1 transient non-community systems (9.1%).
Who supplies drinking water in Obion County, TN?
The largest community water systems filed under Obion County are Union City Water Dept (16,180 people served), South Fulton Water System (4,043 people served) and Elbridge Water Association (3,239 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 Obion County's drinking water come from groundwater or surface water?
Of the 11 active public water systems in Obion County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Union City Water Dept, uses groundwater.
Where can I find a water quality report for Obion 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. 10 community systems are filed under Obion 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 Obion 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
- All Tennessee public water systems· 1,383 active
- Montgomery County· 11 systems
- McMinn County· 11 systems
- Hamilton County· 11 systems
- Weakley County· 11 systems
- Jackson County· 10 systems
- Geauga County· 10 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Obion County, Tennessee”, https://aquacensus.com/water-systems/tennessee/obion (data as of October 1, 2026).