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Public water system · TN0000105

Active

Marshall Co B.P.U. #1

At a glance

Marshall Co B.P.U. #1 (PWSID TN0000105) is an active community water system in Marshall County, Tennessee. It reports serving 13,257 people through 4,965 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in January 2023.

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

Population served

13,257

Service connections

4,965

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTN0000105
System typeCommunity water system
Activity statusActive
Population served13,257
Service connections4,965
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyTN state drinking water program
City served—
StateTennessee
ZIP—
CountyMarshall County

How does Marshall Co B.P.U. #1 compare with other water systems in Marshall County?

By EPA's size categories, Marshall Co B.P.U. #1 is a large system (10,001 to 100,000 people). Marshall County has 4 active public water systems, and Marshall Co B.P.U. #1 is the 2nd-largest of them by population served. Its population served is about 28% above the county average of 10,341 people per system, and accounts for 32% of the 41,362 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 Marshall Co B.P.U. #1 is about twice 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 Marshall Co B.P.U. #1?

EPA lists Marshall Co B.P.U. #1 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 4 active systems in Marshall County (75%) are also owned by a local government.

Does Marshall Co B.P.U. #1 have drinking water violations?

EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in January 2023. The violations listed here began between January 1997 and January 2023. By type: 3 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 3 as resolved, 1 as unaddressed and 1 as archived. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2006-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2006-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2005-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-01-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived

All 5 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.

Marshall Co B.P.U. #1: frequently asked questions

Who runs Marshall Co B.P.U. #1?

Marshall Co B.P.U. #1 (PWSID TN0000105) is a community water system owned by a local government. It is regulated by the TN state drinking water program.

How many people does Marshall Co B.P.U. #1 serve?

Marshall Co B.P.U. #1 reports serving 13,257 people through 4,965 service connections in Marshall County, Tennessee.

Where does Marshall Co B.P.U. #1 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 Marshall Co B.P.U. #1 have any drinking water violations?

EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in January 2023. 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 Marshall Co B.P.U. #1'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 5 violations for this system; 3 are health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.

Where can I find Marshall Co B.P.U. #1's water quality report?

As a community water system, Marshall Co B.P.U. #1 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 Marshall County

Water systemCountyPopulation servedTypeSource
Lewisburg Water SystemMarshall24,569CommunitySurface water
Chapel Hill Water SystemMarshall3,426CommunityPurchased surface water
Horton Haven CampMarshall110Transient 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, “Marshall Co B.P.U. #1, PWSID TN0000105, Tennessee”, https://aquacensus.com/water-systems/tennessee/marshall-co-b-p-u-1-tn0000105 (data as of October 1, 2026).