Public water system · MT0004164
ActiveFlathead River Rv Resort
At a glance
Flathead River Rv Resort (PWSID MT0004164) is an active transient non-community water system in Lake County, Montana. It reports serving 84 people through 53 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, none is health-based, and the most recent began in November 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
84
Service connections
53
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Flathead River Rv Resort compare with other water systems in Lake County?
By EPA's size categories, Flathead River Rv Resort is a very small system (500 people or fewer). Lake County has 90 active public water systems. Its population served is about 62% below the county average of 220 people per system, and accounts for 0.4% of the 19,829 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 Flathead River Rv Resort is about 42% 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 Flathead River Rv Resort?
EPA lists Flathead River Rv Resort 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. 71 of the 90 active systems in Lake County (79%) are also privately owned.
Does Flathead River Rv Resort have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2000. The violations listed here began between January 1999 and November 2000. By type: 12 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Ethylene dibromide (EDB), Heptachlor epoxide and Aldicarb sulfoxide. 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 |
|---|---|---|---|---|
| 2000-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | 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.
Flathead River Rv Resort: frequently asked questions
Who runs Flathead River Rv Resort?
Flathead River Rv Resort (PWSID MT0004164) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Flathead River Rv Resort serve?
Flathead River Rv Resort reports serving 84 people through 53 service connections in Lake County, Montana.
Where does Flathead River Rv Resort 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 Flathead River Rv Resort 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 November 2000. 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 Flathead River Rv Resort'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 November 2000. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Flathead River Rv Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Flathead River Rv Resort 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 Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Polson City of | Lake | 5,300 | Community | Groundwater |
| Ronan City of | Lake | 2,483 | Community | Surface water |
| Pablo Lake County Water and Sewer Dist | Lake | 2,175 | Community | Groundwater |
| St Ignatius Town of | Lake | 700 | Community | Groundwater |
| Woods Bay Water and Sewer District | Lake | 685 | Community | Groundwater |
| Wilson Foods | Lake | 600 | 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, “Flathead River Rv Resort, PWSID MT0004164, Montana”, https://aquacensus.com/water-systems/montana/flathead-river-rv-resort-mt0004164 (data as of October 1, 2026).