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Public water system · MT0004765

Active

Fort Smith Water and Sewer District

At a glance

Fort Smith Water and Sewer District (PWSID MT0004765) is an active community water system in Big Horn County, Montana. It reports serving 450 people through 212 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2022.

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

450

Service connections

212

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0004765
System typeCommunity water system
Activity statusActive
Population served450
Service connections212
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedFort Smith
StateMontana
ZIP—
CountyBig Horn County

How does Fort Smith Water and Sewer District compare with other water systems in Big Horn County?

By EPA's size categories, Fort Smith Water and Sewer District is a very small system (500 people or fewer). Big Horn County has 23 active public water systems, and Fort Smith Water and Sewer District is the 6th-largest of them by population served. Its population served is roughly in line with the county average of 449 people per system, and accounts for 4.4% of the 10,335 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 Fort Smith Water and Sewer District 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 Fort Smith Water and Sewer District?

EPA lists Fort Smith Water and Sewer District 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. 4 of the 23 active systems in Big Horn County (17%) are also owned by a local government.

Does Fort Smith Water and Sewer District have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2022. The violations listed here began between April 2013 and July 2022. By type: 5 public notice, recordkeeping or other, 5 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2016-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2015-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-04-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved

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.

Fort Smith Water and Sewer District: frequently asked questions

Who runs Fort Smith Water and Sewer District?

Fort Smith Water and Sewer District (PWSID MT0004765) is a community water system owned by a local government. It is regulated by the MT state drinking water program.

How many people does Fort Smith Water and Sewer District serve?

Fort Smith Water and Sewer District reports serving 450 people through 212 service connections in Big Horn County, Montana.

Where does Fort Smith Water and Sewer District 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 Fort Smith Water and Sewer District have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2022. 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 Fort Smith Water and Sewer 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Fort Smith Water and Sewer District's water quality report?

As a community water system, Fort Smith Water and Sewer 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 Big Horn County

Water systemCountyPopulation servedTypeSource
Hardin City ofBig Horn3,500CommunitySurface water
Little Bighorn Battlefield NmBig Horn2,020Non-transient non-communityGroundwater
Hardin Eastbound Rest AreaBig Horn877Transient non-communityGroundwater
Hardin Westbound Rest AreaBig Horn715Transient non-communityGroundwater
Lodge Grass Town ofBig Horn480CommunityGroundwater
Tongue River Campers PointBig Horn305Transient non-communityGroundwater

Related pages

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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, “Fort Smith Water and Sewer District, PWSID MT0004765, Montana”, https://aquacensus.com/water-systems/montana/fort-smith-water-and-sewer-district-mt0004765 (data as of October 1, 2026).