Public water system · MT0004635
ActiveFieldstone Subdivision
At a glance
Fieldstone Subdivision (PWSID MT0004635) is an active community water system in Flathead County, Montana. It reports serving 52 people through 22 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
52
Service connections
22
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fieldstone Subdivision compare with other water systems in Flathead County?
By EPA's size categories, Fieldstone Subdivision is a very small system (500 people or fewer). Flathead County has 327 active public water systems. Its population served is well below the county average of 324 people per system, and accounts for less than 0.1% of the 105,781 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 Fieldstone 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 Fieldstone Subdivision?
EPA lists Fieldstone 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. 263 of the 327 active systems in Flathead County (80%) are also privately owned.
Does Fieldstone 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 Fieldstone Subdivision. For the latest compliance status, check EPA ECHO for current compliance history.
Fieldstone Subdivision: frequently asked questions
Who runs Fieldstone Subdivision?
Fieldstone Subdivision (PWSID MT0004635) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Fieldstone Subdivision serve?
Fieldstone Subdivision reports serving 52 people through 22 service connections in Flathead County, Montana.
Where does Fieldstone 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 Fieldstone Subdivision have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Fieldstone 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 Fieldstone Subdivision's water quality report?
As a community water system, Fieldstone 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 Flathead County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kalispell Public Works | Flathead | 25,000 | Community | Groundwater |
| Whitefish City of | Flathead | 10,418 | Community | Surface water |
| Flathead County Water and Sewer | Flathead | 7,775 | Community | Groundwater |
| Bigfork County Water and Sewer | Flathead | 6,100 | Community | Groundwater |
| Columbia Falls City of | Flathead | 4,450 | Community | Groundwater |
| Ridge Run | Flathead | 3,500 | 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, “Fieldstone Subdivision, PWSID MT0004635, Montana”, https://aquacensus.com/water-systems/montana/fieldstone-subdivision-mt0004635 (data as of October 1, 2026).