Dyer County, Tennessee — public water systems
At a glance
6 active public water systems are filed under Dyer County, Tennessee in EPA's SDWIS records, together reporting 37,128 people served. The largest is Dyersburg Water Dept, which reports serving 19,970 people. 5 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
6
Population served
37.1K
Community systems
5
Groundwater share
100%
How does Dyer County compare with other Tennessee counties?
Dyer County has the 84th-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 37,128 people served in total, the 45th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 6,188 people, roughly in line with 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 Dyer County's drinking water come from?
By primary water source, Dyer County's active systems draw on groundwater (6, 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, Dyersburg Water Dept, draws primarily on groundwater.
What kinds of water systems operate in Dyer County?
Dyer County's active systems break down as 5 community systems (83%) and 1 non-transient non-community systems (17%). 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. EPA lists their owner types as local government (67%) and private (33%).
Water systems in Dyer County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Dyersburg Water Dept | Dyer | 19,970 | Community | Groundwater |
| 2 | Newbern Water Dept | Dyer | 8,098 | Community | Groundwater |
| 3 | Northwest Dyersburg U.D. | Dyer | 3,996 | Community | Groundwater |
| 4 | Dyersburg Suburban C.U.D. | Dyer | 3,538 | Community | Groundwater |
| 5 | Trimble Water System | Dyer | 776 | Community | Groundwater |
| 6 | The Hillshire Brands Company | Dyer | 750 | Non-transient non-community | Groundwater |
Dyer County water systems: frequently asked questions
How many public water systems are in Dyer County, Tennessee?
EPA's SDWIS records file 6 active public water systems under Dyer County, Tennessee: 5 community systems (83%) and 1 non-transient non-community systems (17%).
Who supplies drinking water in Dyer County, TN?
The largest community water systems filed under Dyer County are Dyersburg Water Dept (19,970 people served), Newbern Water Dept (8,098 people served) and Northwest Dyersburg U.D. (3,996 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 Dyer County's drinking water come from groundwater or surface water?
Of the 6 active public water systems in Dyer County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Dyersburg Water Dept, uses groundwater.
Where can I find a water quality report for Dyer 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. 5 community systems are filed under Dyer 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 Dyer 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 Dyer County, Tennessee”, https://aquacensus.com/water-systems/tennessee/dyer (data as of October 1, 2026).