Public water system · TN0000719
ActiveUnicoi Utility District
At a glance
Unicoi Utility District (PWSID TN0000719) is an active community water system in Unicoi County, Tennessee. It reports serving 4,527 people through 2,012 service connections. Its primary water source is purchased groundwater under influence, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,527
Service connections
2,012
Primary source
GUP
Purchased groundwater under influence
System type
CWS
Community water system
System record
How does Unicoi Utility District compare with other water systems in Unicoi County?
By EPA's size categories, Unicoi Utility District is a medium system (3,301 to 10,000 people). Unicoi County has 3 active public water systems, and Unicoi Utility District is the 2nd-largest of them by population served. Its population served is about 19% below the county average of 5,604 people per system, and accounts for 27% of the 16,813 people reported by systems filed under the county. Across Tennessee, the 1,383 active systems average 5,780 people each. Nationally, the average active community water system reports serving 6,703 people, so Unicoi Utility District is about 32% below that figure.
What does “community water system” mean?
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. Tennessee has 450 active community water systems, 33% of the state's 1,383 active systems. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system. 7 Tennessee systems (0.5%) list purchased groundwater under influence as their primary source.
Who owns and regulates Unicoi Utility District?
EPA lists Unicoi Utility District as owned by a local government. The TN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 3 active systems in Unicoi County (67%) are also owned by a local government.
Does Unicoi Utility District have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2004. The violations listed here began between July 1993 and May 2004. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 as archived and 2 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2004-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1998-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Archived |
| 1994-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 8 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Unicoi Utility District: frequently asked questions
Who runs Unicoi Utility District?
Unicoi Utility District (PWSID TN0000719) is a community water system owned by a local government. It is regulated by the TN state drinking water program.
How many people does Unicoi Utility District serve?
Unicoi Utility District reports serving 4,527 people through 2,012 service connections in Unicoi County, Tennessee.
Where does Unicoi Utility District get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater under influence. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system.
Does Unicoi Utility District have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2004. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Unicoi Utility District's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.
Where can I find Unicoi Utility District's water quality report?
As a community water system, Unicoi Utility District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Unicoi County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Erwin Utilities Authority | Unicoi | 12,236 | Community | Groundwater under influence of surface water |
| Coffee Ridge Baptst Church | Unicoi | 50 | Transient non-community | Groundwater |
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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, “Unicoi Utility District, PWSID TN0000719, Tennessee”, https://aquacensus.com/water-systems/tennessee/unicoi-utility-district-tn0000719 (data as of October 1, 2026).