Public water system · MT0000215
ActiveForsyth City of
At a glance
City of Forsyth (PWSID MT0000215) is an active community water system in Rosebud County, Montana. It reports serving 2,260 people through 915 service connections. Its primary water source is surface water, 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 April 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,260
Service connections
915
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Forsyth compare with other water systems in Rosebud County?
By EPA's size categories, City of Forsyth is a small system (501 to 3,300 people). Rosebud County has 15 active public water systems, and City of Forsyth is the 2nd-largest of them by population served. Its population served is about 4.6 times the county average of 494 people per system, and accounts for 30% of the 7,415 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 City of Forsyth is about 66% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 60 Montana systems (2.5%) list surface water as their primary source.
Who owns and regulates City of Forsyth?
EPA lists City of Forsyth 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 15 active systems in Rosebud County (27%) are also owned by a local government.
Does City of Forsyth have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2015. The violations listed here began between January 2009 and April 2015. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5), Consumer Confidence Rule and Cadmium. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | 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.
City of Forsyth: frequently asked questions
Who runs City of Forsyth?
City of Forsyth (PWSID MT0000215) is a community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does City of Forsyth serve?
City of Forsyth reports serving 2,260 people through 915 service connections in Rosebud County, Montana.
Where does City of Forsyth get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does City of Forsyth 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 April 2015. 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 City of Forsyth'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 April 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find City of Forsyth's water quality report?
As a community water system, City of Forsyth 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 Rosebud County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Colstrip City of | Rosebud | 2,350 | Community | Surface water |
| St Labre Indian School | Rosebud | 650 | Community | Groundwater |
| East Bound Hathaway Rest Area | Rosebud | 600 | Transient non-community | Groundwater |
| Wb Hathaway Rest Area | Rosebud | 600 | Transient non-community | Groundwater |
| Ashland Water and Sewer Dist | Rosebud | 400 | Community | Groundwater |
| Western Energy Company | Rosebud | 200 | Non-transient non-community | Groundwater |
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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, “Forsyth City of, PWSID MT0000215, Montana”, https://aquacensus.com/water-systems/montana/forsyth-city-of-mt0000215 (data as of October 1, 2026).