Public water system · MT0004400
ActiveKootenai Woods Subdivision
At a glance
Kootenai Woods Subdivision (PWSID MT0004400) is an active community water system in Lake County, Montana. It reports serving 53 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
53
Service connections
41
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Kootenai Woods Subdivision compare with other water systems in Lake County?
By EPA's size categories, Kootenai Woods Subdivision is a very small system (500 people or fewer). Lake County has 90 active public water systems. Its population served is well below the county average of 220 people per system, and accounts for 0.3% 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 community water system reports serving 6,703 people, so Kootenai Woods Subdivision 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. 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 Kootenai Woods Subdivision?
EPA lists Kootenai Woods Subdivision 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 Kootenai Woods Subdivision have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Kootenai Woods Subdivision. For the latest compliance status, check EPA ECHO for current compliance history.
Kootenai Woods Subdivision: frequently asked questions
Who runs Kootenai Woods Subdivision?
Kootenai Woods Subdivision (PWSID MT0004400) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Kootenai Woods Subdivision serve?
Kootenai Woods Subdivision reports serving 53 people through 41 service connections in Lake County, Montana.
Where does Kootenai Woods Subdivision 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 Kootenai Woods Subdivision have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Kootenai Woods Subdivision'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Kootenai Woods Subdivision's water quality report?
As a community water system, Kootenai Woods Subdivision 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 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, “Kootenai Woods Subdivision, PWSID MT0004400, Montana”, https://aquacensus.com/water-systems/montana/kootenai-woods-subdivision-mt0004400 (data as of October 1, 2026).