Public water system · MT0003994
ActiveCrazy Mountain Ranch
At a glance
Crazy Mountain Ranch (PWSID MT0003994) is an active transient non-community water system in Park County, Montana. It reports serving 108 people through 25 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in June 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
108
Service connections
25
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Crazy Mountain Ranch compare with other water systems in Park County?
By EPA's size categories, Crazy Mountain Ranch is a very small system (500 people or fewer). Park County has 59 active public water systems. Its population served is about 60% below the county average of 271 people per system, and accounts for 0.7% of the 15,983 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 Crazy Mountain Ranch is about 25% below 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 Crazy Mountain Ranch?
EPA lists Crazy Mountain Ranch 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. 49 of the 59 active systems in Park County (83%) are also privately owned.
Does Crazy Mountain Ranch have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in June 2017. The violations listed here began between October 2001 and June 2017. By type: 5 monitoring and reporting. The contaminant or rule involved most often is E. coli (2 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2017-06-13 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2010-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2001-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Crazy Mountain Ranch: frequently asked questions
Who runs Crazy Mountain Ranch?
Crazy Mountain Ranch (PWSID MT0003994) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Crazy Mountain Ranch serve?
Crazy Mountain Ranch reports serving 108 people through 25 service connections in Park County, Montana.
Where does Crazy Mountain Ranch 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 Crazy Mountain Ranch have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in June 2017. 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 Crazy Mountain Ranch'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 5 violations for this system; none is health-based, and the most recent began in June 2017. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Crazy Mountain Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Crazy Mountain Ranch 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 Park County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Livingston City of | Park | 7,500 | Community | Groundwater |
| Emigrant Rest Stop | Park | 800 | Transient non-community | Groundwater |
| Gardiner Park Co Water Dist | Park | 700 | Community | Groundwater |
| Sage Lodge | Park | 500 | Transient non-community | Groundwater |
| Yellowstone Travel Plaza Truck Stop | Park | 500 | Transient non-community | Groundwater |
| Chico Hot Springs | Park | 415 | Non-transient non-community | Surface water |
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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, “Crazy Mountain Ranch, PWSID MT0003994, Montana”, https://aquacensus.com/water-systems/montana/crazy-mountain-ranch-mt0003994 (data as of October 1, 2026).