Public water system · MT0004177
ActiveFort Peck Rural County Water District
At a glance
Fort Peck Rural County Water District (PWSID MT0004177) is an active community water system in Valley County, Montana. It reports serving 663 people through 412 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
663
Service connections
412
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Fort Peck Rural County Water District compare with other water systems in Valley County?
By EPA's size categories, Fort Peck Rural County Water District is a small system (501 to 3,300 people). Valley County has 13 active public water systems, and Fort Peck Rural County Water District is the 2nd-largest of them by population served. Its population served is about 42% above the county average of 466 people per system, and accounts for 11% of the 6,060 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 Peck Rural 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 surface water means the system buys surface water from another public water system rather than drawing its own. 212 Montana systems (8.9%) list purchased surface water as their primary source.
Who owns and regulates Fort Peck Rural County Water District?
EPA lists Fort Peck Rural County Water 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. 8 of the 13 active systems in Valley County (62%) are also owned by a local government.
Does Fort Peck Rural County Water District have drinking water violations?
EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2020. The violations listed here began between October 2001 and October 2020. By type: 8 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (8 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2020-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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 Peck Rural County Water District: frequently asked questions
Who runs Fort Peck Rural County Water District?
Fort Peck Rural County Water District (PWSID MT0004177) 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 Peck Rural County Water District serve?
Fort Peck Rural County Water District reports serving 663 people through 412 service connections in Valley County, Montana.
Where does Fort Peck Rural County Water District 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 Fort Peck Rural County Water District have any drinking water violations?
EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2020. 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 Peck Rural 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. EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2020. 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 Peck Rural County Water District's water quality report?
As a community water system, Fort Peck Rural 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 Valley County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Glasgow City of | Valley | 3,253 | Community | Surface water |
| North Valley County Water and Sewer Dist | Valley | 450 | Community | Purchased surface water |
| Nashua Town of | Valley | 300 | Community | Purchased surface water |
| Hinsdale Water Department | Valley | 250 | Community | Groundwater |
| Vandalia Glasgow West Rest Area | Valley | 250 | Transient non-community | Groundwater |
| Fort Peck Town of | Valley | 240 | Community | Surface water |
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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 Peck Rural County Water District, PWSID MT0004177, Montana”, https://aquacensus.com/water-systems/montana/fort-peck-rural-county-water-district-mt0004177 (data as of October 1, 2026).