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Public water system · MT0000460

Active

Belfry Carbon Co Water and Sewer Dist

At a glance

Belfry Carbon Co Water and Sewer Dist (PWSID MT0000460) is an active community water system in Carbon County, Montana. It reports serving 205 people through 136 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2025.

This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.

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

Population served

205

Service connections

136

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000460
System typeCommunity water system
Activity statusActive
Population served205
Service connections136
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedBelfry
StateMontana
ZIP—
CountyCarbon County

How does Belfry Carbon Co Water and Sewer Dist compare with other water systems in Carbon County?

By EPA's size categories, Belfry Carbon Co Water and Sewer Dist is a very small system (500 people or fewer). Carbon County has 36 active public water systems. Its population served is about 19% below the county average of 253 people per system, and accounts for 2.3% of the 9,106 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Belfry Carbon Co Water and Sewer Dist is well 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. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.

Who owns and regulates Belfry Carbon Co Water and Sewer Dist?

EPA lists Belfry Carbon Co Water and Sewer Dist as owned by a local government. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 36 active systems in Carbon County (19%) are also owned by a local government.

Does Belfry Carbon Co Water and Sewer Dist have drinking water violations?

EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2025. The violations listed here began between June 1992 and October 2025. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 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
2025-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2018-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoArchived
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoArchived
1997-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1995-08-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1992-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1992-06-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved

All 11 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.

Belfry Carbon Co Water and Sewer Dist: frequently asked questions

Who runs Belfry Carbon Co Water and Sewer Dist?

Belfry Carbon Co Water and Sewer Dist (PWSID MT0000460) is a community water system owned by a local government. It is regulated by the MT state drinking water program.

How many people does Belfry Carbon Co Water and Sewer Dist serve?

Belfry Carbon Co Water and Sewer Dist reports serving 205 people through 136 service connections in Carbon County, Montana.

Where does Belfry Carbon Co Water and Sewer Dist get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Belfry Carbon Co Water and Sewer Dist have any drinking water violations?

EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2025. 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 Belfry Carbon Co Water and Sewer Dist'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 11 violations for this system; 1 is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Belfry Carbon Co Water and Sewer Dist's water quality report?

As a community water system, Belfry Carbon Co Water and Sewer Dist 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 Carbon County

Water systemCountyPopulation servedTypeSource
Red Lodge Mtn Main LodgeCarbon2,006Transient non-communityGroundwater
Red Lodge Water DeptCarbon2,000CommunityGroundwater
Bridger Town ofCarbon750CommunityGroundwater
Joliet Town ofCarbon600CommunityGroundwater
Fromberg Town ofCarbon498CommunityGroundwater
Bridger Rest AreaCarbon400Transient 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, “Belfry Carbon Co Water and Sewer Dist, PWSID MT0000460, Montana”, https://aquacensus.com/water-systems/montana/belfry-carbon-co-water-and-sewer-dist-mt0000460 (data as of October 1, 2026).