Public water system · MT0005172
ActiveHamilton Murdochs
At a glance
Hamilton Murdochs (PWSID MT0005172) is an active transient non-community water system in Ravalli County, Montana. It reports serving 164 people through 1 service connection. 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
164
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hamilton Murdochs compare with other water systems in Ravalli County?
By EPA's size categories, Hamilton Murdochs is a very small system (500 people or fewer). Ravalli County has 130 active public water systems. Its population served is about 31% below the county average of 237 people per system, and accounts for 0.5% of the 30,805 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 Hamilton Murdochs is about 14% above 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 Hamilton Murdochs?
EPA lists Hamilton Murdochs 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. 112 of the 130 active systems in Ravalli County (86%) are also privately owned.
Does Hamilton Murdochs 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 Hamilton Murdochs. For the latest compliance status, check EPA ECHO for current compliance history.
Hamilton Murdochs: frequently asked questions
Who runs Hamilton Murdochs?
Hamilton Murdochs (PWSID MT0005172) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Hamilton Murdochs serve?
Hamilton Murdochs reports serving 164 people through 1 service connection in Ravalli County, Montana.
Where does Hamilton Murdochs 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 Hamilton Murdochs have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Hamilton Murdochs' 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 EPA ECHO, or the MT state drinking water program.
Where can I find Hamilton Murdochs' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hamilton Murdochs 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 Ravalli County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hamilton City of | Ravalli | 5,660 | Community | Groundwater |
| Stevensville Town of | Ravalli | 2,090 | Community | Groundwater |
| Super One Food Store | Ravalli | 1,769 | Non-transient non-community | Groundwater |
| Town Pump Woodside 1 | Ravalli | 1,198 | Transient non-community | Groundwater |
| Town Pump Florence 1 | Ravalli | 1,092 | Transient non-community | Groundwater |
| Florence Carlton School | Ravalli | 1,025 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Hamilton Murdochs, PWSID MT0005172, Montana”, https://aquacensus.com/water-systems/montana/hamilton-murdochs-mt0005172 (data as of October 1, 2026).