Public water system · MT0004247
ActiveLodge at Lolo Hot Springs
At a glance
Lodge at Lolo Hot Springs (PWSID MT0004247) is an active transient non-community water system in Missoula County, Montana. It reports serving 88 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
88
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lodge at Lolo Hot Springs compare with other water systems in Missoula County?
By EPA's size categories, Lodge at Lolo Hot Springs is a very small system (500 people or fewer). Missoula County has 244 active public water systems. Its population served is well below the county average of 576 people per system, and accounts for less than 0.1% of the 140,505 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 Lodge at Lolo Hot Springs is about 39% 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 Lodge at Lolo Hot Springs?
EPA lists Lodge at Lolo Hot Springs 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. 201 of the 244 active systems in Missoula County (82%) are also privately owned.
Does Lodge at Lolo Hot Springs have drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in August 2023. The violations listed here began between September 2011 and August 2023. By type: 4 monitoring and reporting, 4 contaminant level above the legal limit, 2 required treatment not met, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 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 |
|---|---|---|---|---|
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-10-10 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-09-05 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-04-02 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-03-07 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | 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 |
| 2011-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Lodge at Lolo Hot Springs: frequently asked questions
Who runs Lodge at Lolo Hot Springs?
Lodge at Lolo Hot Springs (PWSID MT0004247) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Lodge at Lolo Hot Springs serve?
Lodge at Lolo Hot Springs reports serving 88 people through 4 service connections in Missoula County, Montana.
Where does Lodge at Lolo Hot Springs 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 Lodge at Lolo Hot Springs have any drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in August 2023. 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 Lodge at Lolo Hot Springs' 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, 6 are health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Lodge at Lolo Hot Springs' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lodge at Lolo Hot Springs 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 Missoula County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Missoula Water | Missoula | 68,200 | Community | Groundwater |
| University of Montana | Missoula | 15,000 | Non-transient non-community | Purchased groundwater |
| Lolo Water and Sewer Dist | Missoula | 3,315 | Community | Groundwater |
| Town Pump Bonner 1 | Missoula | 2,460 | Non-transient non-community | Groundwater |
| Clearwater Junction Rest Area | Missoula | 2,002 | Transient non-community | Groundwater |
| Seeley Lake Water District | Missoula | 1,575 | 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, “Lodge at Lolo Hot Springs, PWSID MT0004247, Montana”, https://aquacensus.com/water-systems/montana/lodge-at-lolo-hot-springs-mt0004247 (data as of October 1, 2026).