Public water system · MT0004734
ActiveFranklin Hills Subdivision
At a glance
Franklin Hills Subdivision (PWSID MT0004734) is an active community water system in Gallatin County, Montana. It reports serving 50 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in November 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
17
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Franklin Hills Subdivision compare with other water systems in Gallatin County?
By EPA's size categories, Franklin Hills Subdivision is a very small system (500 people or fewer). Gallatin County has 207 active public water systems. Its population served is well below the county average of 713 people per system, and accounts for less than 0.1% of the 147,534 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 Franklin Hills 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 Franklin Hills Subdivision?
EPA lists Franklin Hills 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. 180 of the 207 active systems in Gallatin County (87%) are also privately owned.
Does Franklin Hills Subdivision have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in November 2013. The violations listed here began between February 2011 and November 2013. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2013-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
Franklin Hills Subdivision: frequently asked questions
Who runs Franklin Hills Subdivision?
Franklin Hills Subdivision (PWSID MT0004734) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Franklin Hills Subdivision serve?
Franklin Hills Subdivision reports serving 50 people through 17 service connections in Gallatin County, Montana.
Where does Franklin Hills 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 Franklin Hills Subdivision have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in November 2013. 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 Franklin Hills 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 records list 2 violations for this system; 1 is health-based, and the most recent began in November 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Franklin Hills Subdivision's water quality report?
As a community water system, Franklin Hills 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 Gallatin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bozeman City of | Gallatin | 56,000 | Community | Surface water |
| Montana State University Bozeman | Gallatin | 19,200 | Non-transient non-community | Purchased surface water |
| Belgrade City of | Gallatin | 10,460 | Community | Groundwater |
| West Yellowstone Town of | Gallatin | 9,899 | Community | Groundwater |
| North Star Zoot Water | Gallatin | 4,323 | Community | Groundwater |
| River Rock County Water and Sewer Dist | Gallatin | 4,200 | 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, “Franklin Hills Subdivision, PWSID MT0004734, Montana”, https://aquacensus.com/water-systems/montana/franklin-hills-subdivision-mt0004734 (data as of October 1, 2026).