Public water system · MT0003035
ActiveFallon County Water District
At a glance
Fallon County Water District (PWSID MT0003035) is an active community water system in Fallon County, Montana. It reports serving 85 people through 35 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
85
Service connections
35
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Fallon County Water District compare with other water systems in Fallon County?
By EPA's size categories, Fallon County Water District is a very small system (500 people or fewer). Fallon County has 4 active public water systems, and Fallon County Water District is the 4th-largest of them by population served. Its population served is well below the county average of 546 people per system, and accounts for 3.9% of the 2,185 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 Fallon County Water 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 104 Montana systems (4.4%) list purchased groundwater as their primary source.
Who owns and regulates Fallon County Water District?
EPA lists Fallon County Water District as privately owned. 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. 1 of the 4 active systems in Fallon County (25%) are also privately owned.
Does Fallon County Water 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 September 2022. The violations listed here began between July 2004 and September 2022. By type: 8 public notice, recordkeeping or other, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (8 of them). EPA lists 11 as resolved 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
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.
Fallon County Water District: frequently asked questions
Who runs Fallon County Water District?
Fallon County Water District (PWSID MT0003035) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Fallon County Water District serve?
Fallon County Water District reports serving 85 people through 35 service connections in Fallon County, Montana.
Where does Fallon County Water District get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Fallon County Water 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 September 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 Fallon County Water 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 September 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 Fallon County Water District's water quality report?
As a community water system, Fallon County Water 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 Fallon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Baker City of | Fallon | 1,858 | Community | Groundwater |
| Plevna Town of | Fallon | 130 | Community | Groundwater |
| North Baker Water and Or Sewer Dist | Fallon | 112 | Community | Purchased groundwater |
Related pages
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, “Fallon County Water District, PWSID MT0003035, Montana”, https://aquacensus.com/water-systems/montana/fallon-county-water-district-mt0003035 (data as of October 1, 2026).