Public water system · MT0002690
ActiveMcdonald Pass Westbound Fountain
At a glance
Mcdonald Pass Westbound Fountain (PWSID MT0002690) is an active transient non-community water system in Powell County, Montana. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mcdonald Pass Westbound Fountain compare with other water systems in Powell County?
By EPA's size categories, Mcdonald Pass Westbound Fountain is a very small system (500 people or fewer). Powell County has 17 active public water systems. Its population served is well below the county average of 364 people per system, and accounts for 0.4% of the 6,181 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mcdonald Pass Westbound Fountain is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Montana has 1,206 active transient non-community water systems, 51% 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 Mcdonald Pass Westbound Fountain?
EPA lists Mcdonald Pass Westbound Fountain as owned by a state 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. 2 of the 17 active systems in Powell County (12%) are also owned by a state government.
Does Mcdonald Pass Westbound Fountain have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2022. The violations listed here began between April 2004 and July 2022. By type: 8 contaminant level above the legal limit, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2017-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Mcdonald Pass Westbound Fountain: frequently asked questions
Who runs Mcdonald Pass Westbound Fountain?
Mcdonald Pass Westbound Fountain (PWSID MT0002690) is a transient non-community water system owned by a state government. It is regulated by the MT state drinking water program.
How many people does Mcdonald Pass Westbound Fountain serve?
Mcdonald Pass Westbound Fountain reports serving 25 people through 1 service connection in Powell County, Montana.
Where does Mcdonald Pass Westbound Fountain 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 Mcdonald Pass Westbound Fountain have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are 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 Mcdonald Pass Westbound Fountain'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, 8 are health-based, and the most recent began in July 2022. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Mcdonald Pass Westbound Fountain's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mcdonald Pass Westbound Fountain is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Powell County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Deer Lodge City of | Powell | 2,900 | Community | Groundwater |
| Montana State Prison | Powell | 2,100 | Community | Groundwater |
| Avon Family Cafe | Powell | 305 | Transient non-community | Groundwater |
| Rock Creek Cattle Company | Powell | 165 | Transient non-community | Groundwater |
| Camp Mak-A-Dream | Powell | 115 | Transient non-community | Groundwater |
| Trixis Antler Saloon | Powell | 105 | 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, “Mcdonald Pass Westbound Fountain, PWSID MT0002690, Montana”, https://aquacensus.com/water-systems/montana/mcdonald-pass-westbound-fountain-mt0002690 (data as of October 1, 2026).