Public water system · TN0000423
ActiveMcminnville Water Dept
At a glance
Mcminnville Water Dept (PWSID TN0000423) is an active community water system in Warren County, Tennessee. It reports serving 19,029 people through 7,319 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
19,029
Service connections
7,319
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mcminnville Water Dept compare with other water systems in Warren County?
By EPA's size categories, Mcminnville Water Dept is a large system (10,001 to 100,000 people). Warren County has 6 active public water systems, and Mcminnville Water Dept is the 2nd-largest of them by population served. Its population served is about 69% above the county average of 11,253 people per system, and accounts for 28% of the 67,518 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 Mcminnville Water Dept is about 184% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 151 Tennessee systems (11%) list surface water as their primary source.
Who owns and regulates Mcminnville Water Dept?
EPA lists Mcminnville Water Dept 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. 3 of the 6 active systems in Warren County (50%) are also owned by a local government.
Does Mcminnville Water Dept have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2014. The violations listed here began between September 1992 and October 2014. By type: 7 monitoring and reporting, 4 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 8 as archived and 4 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 |
|---|---|---|---|---|
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-10-01 | Required treatment not metFailure Submit Treatment Requirement Rpt · code 33 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Resolved |
| 2009-06-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2009-06-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 1994-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1994-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarbcode 2047 | No | Archived |
| 1992-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
The 12 most recent 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.
Mcminnville Water Dept: frequently asked questions
Who runs Mcminnville Water Dept?
Mcminnville Water Dept (PWSID TN0000423) is a community water system owned by a local government. It is regulated by the TN state drinking water program.
How many people does Mcminnville Water Dept serve?
Mcminnville Water Dept reports serving 19,029 people through 7,319 service connections in Warren County, Tennessee.
Where does Mcminnville Water Dept get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Mcminnville Water Dept have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2014. 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 Mcminnville Water Dept'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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.
Where can I find Mcminnville Water Dept's water quality report?
As a community water system, Mcminnville Water Dept 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 Warren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Warren County Utility District | Warren | 29,055 | Community | Surface water |
| West Warren-Viola U.D. | Warren | 19,009 | Community | Surface water |
| Dollar Gen 15172 Sugar Grove | Warren | 250 | Transient non-community | Groundwater |
| Dollar Gen 18051 Russell | Warren | 150 | Transient non-community | Groundwater |
| Dollar General #24942 Innsbrook | Warren | 25 | 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, “Mcminnville Water Dept, PWSID TN0000423, Tennessee”, https://aquacensus.com/water-systems/tennessee/mcminnville-water-dept-tn0000423 (data as of October 1, 2026).