Public water system · MT0005109
ActiveCmrwa Musselshell Judith Rural Water Sys
At a glance
Cmrwa Musselshell Judith Rural Water Sys (PWSID MT0005109) is an active community water system in Wheatland County, Montana. It reports serving 1,100 people through 16 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
1,100
Service connections
16
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cmrwa Musselshell Judith Rural Water Sys compare with other water systems in Wheatland County?
By EPA's size categories, Cmrwa Musselshell Judith Rural Water Sys is a small system (501 to 3,300 people). Wheatland County has 8 active public water systems, and Cmrwa Musselshell Judith Rural Water Sys is the largest of them by population served. Its population served is about 3.3 times the county average of 337 people per system, and accounts for 41% of the 2,697 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 Cmrwa Musselshell Judith Rural Water Sys 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 Cmrwa Musselshell Judith Rural Water Sys?
EPA lists Cmrwa Musselshell Judith Rural Water Sys 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. 5 of the 8 active systems in Wheatland County (63%) are also privately owned.
Does Cmrwa Musselshell Judith Rural Water Sys 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 Cmrwa Musselshell Judith Rural Water Sys. For the latest compliance status, check EPA ECHO for current compliance history.
Cmrwa Musselshell Judith Rural Water Sys: frequently asked questions
Who runs Cmrwa Musselshell Judith Rural Water Sys?
Cmrwa Musselshell Judith Rural Water Sys (PWSID MT0005109) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Cmrwa Musselshell Judith Rural Water Sys serve?
Cmrwa Musselshell Judith Rural Water Sys reports serving 1,100 people through 16 service connections in Wheatland County, Montana.
Where does Cmrwa Musselshell Judith Rural Water Sys 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 Cmrwa Musselshell Judith Rural Water Sys have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Cmrwa Musselshell Judith Rural Water Sys' 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 Cmrwa Musselshell Judith Rural Water Sys' water quality report?
As a community water system, Cmrwa Musselshell Judith Rural Water Sys 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 Wheatland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Harlowton City of | Wheatland | 1,050 | Community | Purchased groundwater |
| Martinsdale Colony | Wheatland | 150 | Community | Groundwater |
| Judith Gap Town of | Wheatland | 126 | Community | Groundwater |
| Springwater Colony | Wheatland | 100 | Community | Groundwater |
| Duncan Ranch Colony | Wheatland | 96 | Community | Groundwater |
| Two Dot Water Users Company | Wheatland | 50 | 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, “Cmrwa Musselshell Judith Rural Water Sys, PWSID MT0005109, Montana”, https://aquacensus.com/water-systems/montana/cmrwa-musselshell-judith-rural-water-sys-mt0005109 (data as of October 1, 2026).