Public water system · MT0042405
ActiveLogan Montana State Park
At a glance
Logan Montana State Park (PWSID MT0042405) is an active transient non-community water system in Lincoln County, Montana. It reports serving 128 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
128
Service connections
18
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Logan Montana State Park compare with other water systems in Lincoln County?
By EPA's size categories, Logan Montana State Park is a very small system (500 people or fewer). Lincoln County has 92 active public water systems. Its population served is about 40% below the county average of 212 people per system, and accounts for 0.7% of the 19,484 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 Logan Montana State Park is about 11% 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 Logan Montana State Park?
EPA lists Logan Montana State Park 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. 3 of the 92 active systems in Lincoln County (3.3%) are also owned by a state government.
Does Logan Montana State Park have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 2015. The violations listed here began between May 1995 and November 2015. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2015-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Logan Montana State Park: frequently asked questions
Who runs Logan Montana State Park?
Logan Montana State Park (PWSID MT0042405) 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 Logan Montana State Park serve?
Logan Montana State Park reports serving 128 people through 18 service connections in Lincoln County, Montana.
Where does Logan Montana State Park 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 Logan Montana State Park have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 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 Logan Montana State Park'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 4 violations for this system; 1 is health-based, and the most recent began in November 2015. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Logan Montana State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Logan Montana State Park 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Libby City of | Lincoln | 4,892 | Community | Surface water |
| Troy City of | Lincoln | 2,100 | Community | Groundwater |
| Eureka Town of | Lincoln | 1,995 | Community | Surface water |
| Bears Country Store | Lincoln | 805 | Transient non-community | Groundwater |
| Fortine Mercantile | Lincoln | 504 | Transient non-community | Groundwater |
| Indian Springs Ranch Sub | Lincoln | 455 | 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, “Logan Montana State Park, PWSID MT0042405, Montana”, https://aquacensus.com/water-systems/montana/logan-montana-state-park-mt0042405 (data as of October 1, 2026).