Public water system · TN0000425

Active

Madisonville Water Dept

At a glance

Madisonville Water Dept (PWSID TN0000425) is an active community water system in Monroe County, Tennessee. It reports serving 15,087 people through 6,133 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2008.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

15,087

Service connections

6,133

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTN0000425

System typeCommunity water system

Activity statusActive

Population served15,087

Service connections6,133

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyTN state drinking water program

City servedMadisonville

StateTennessee

ZIP—

CountyMonroe County

How does Madisonville Water Dept compare with other water systems in Monroe County?

By EPA's size categories, Madisonville Water Dept is a large system (10,001 to 100,000 people). Monroe County has 23 active public water systems, and Madisonville Water Dept is the largest of them by population served. Its population served is about 6.3 times the county average of 2,403 people per system, and accounts for 27% of the 55,258 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 Madisonville Water Dept is about 125% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 121 Tennessee systems (8.7%) list purchased surface water as their primary source.

Who owns and regulates Madisonville Water Dept?

EPA lists Madisonville 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. 5 of the 23 active systems in Monroe County (22%) are also owned by a local government.

Does Madisonville Water Dept have drinking water violations?

EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2008. The violations listed here began between July 1993 and October 2008. By type: 5 monitoring and reporting, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as archived and 3 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
2008-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Total trihalomethanes (TTHM)code 2950	No	Resolved
2008-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Haloacetic acids (HAA5)code 2456	No	Resolved
2001-09-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Archived
2001-08-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Archived
1998-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Archived
1997-06-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Archived
1993-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved

All 7 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.

Madisonville Water Dept: frequently asked questions

Who runs Madisonville Water Dept?

Madisonville Water Dept (PWSID TN0000425) is a community water system owned by a local government. It is regulated by the TN state drinking water program.

How many people does Madisonville Water Dept serve?

Madisonville Water Dept reports serving 15,087 people through 6,133 service connections in Monroe County, Tennessee.

Where does Madisonville Water Dept get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Madisonville Water Dept have any drinking water violations?

EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2008. 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 Madisonville 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. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.

Where can I find Madisonville Water Dept's water quality report?

As a community water system, Madisonville 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 Monroe County

Water system	County	Population served	Type	Source
Tellico Area Services System	Monroe	14,836	Community	Surface water
Sweetwater Utility Board	Monroe	13,597	Community	Surface water
Tellico Plains Water Dept	Monroe	7,759	Community	Groundwater
Dollar General 13931	Monroe	1,000	Transient non-community	Groundwater
Indian Boundary Rec Area- Usfs	Monroe	975	Transient non-community	Groundwater
Lost Sea, Inc.	Monroe	700	Transient non-community	Groundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Madisonville Water Dept, PWSID TN0000425, Tennessee”, https://aquacensus.com/water-systems/tennessee/madisonville-water-dept-tn0000425 (data as of October 1, 2026).