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Public water system · TN0000818

Active

Warren County Utility District

At a glance

Warren County Utility District (PWSID TN0000818) is an active community water system in Warren County, Tennessee. It reports serving 29,055 people through 11,175 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

29,055

Service connections

11,175

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDTN0000818
System typeCommunity water system
Activity statusActive
Population served29,055
Service connections11,175
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyTN state drinking water program
City servedMcminnville
StateTennessee
ZIP—
CountyWarren County

How does Warren County Utility District compare with other water systems in Warren County?

By EPA's size categories, Warren County Utility District is a large system (10,001 to 100,000 people). Warren County has 6 active public water systems, and Warren County Utility District is the largest of them by population served. Its population served is about 158% above the county average of 11,253 people per system, and accounts for 43% 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 Warren County Utility District is about 4.3 times 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 Warren County Utility District?

EPA lists Warren County 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. 3 of the 6 active systems in Warren County (50%) are also owned by a local government.

Does Warren County Utility District have drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024. The violations listed here began between January 2008 and July 2024. By type: 3 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Long Term 2 Enhanced Surface Water Treatment Rule (2 of them). EPA lists 5 as resolved, 2 as archived and 1 as unaddressed. 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. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2016-05-28Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2014-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoArchived
2011-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-10-02Required treatment not metFailure Submit Treatment Requirement Rpt · code 33Long Term 2 Enhanced Surface Water Treatment Rulecode 0800YesResolved
2008-07-15Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2008-01-02Monitoring and reportingMonitoring, Source Water (LT2) · code 32Long Term 2 Enhanced Surface Water Treatment Rulecode 0800NoResolved

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.

Warren County Utility District: frequently asked questions

Who runs Warren County Utility District?

Warren County Utility District (PWSID TN0000818) is a community water system owned by a local government. It is regulated by the TN state drinking water program.

How many people does Warren County Utility District serve?

Warren County Utility District reports serving 29,055 people through 11,175 service connections in Warren County, Tennessee.

Where does Warren County Utility District 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 Warren County Utility District have any drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024. 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 Warren County 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; 3 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.

Where can I find Warren County Utility District's water quality report?

As a community water system, Warren County 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 Warren County

Water systemCountyPopulation servedTypeSource
Mcminnville Water DeptWarren19,029CommunitySurface water
West Warren-Viola U.D.Warren19,009CommunitySurface water
Dollar Gen 15172 Sugar GroveWarren250Transient non-communityGroundwater
Dollar Gen 18051 RussellWarren150Transient non-communityGroundwater
Dollar General #24942 InnsbrookWarren25Transient non-communityGroundwater

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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, “Warren County Utility District, PWSID TN0000818, Tennessee”, https://aquacensus.com/water-systems/tennessee/warren-county-utility-district-tn0000818 (data as of October 1, 2026).