Pollocks Jh Valley Of The Moon Reservoir Report

Last Updated: December 5, 2025

Pollocks Jh Valley of The Moon is a private dam located in Missoula, Montana, specifically in Clinton, along Gibert Creek.


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Summary

Completed in 1960, this earthen dam stands at a height of 25 feet and serves multiple purposes including fire protection, stock, and small fish pond development. With a storage capacity of 140 acre-feet, the dam has a low hazard potential and is regulated by the Montana Department of Natural Resources and Conservation (DNRC).

The dam's primary purpose of fire protection and water storage for livestock makes it a vital resource for the surrounding area, particularly in times of drought or wildfire. Its strategic location in a rural setting underscores the importance of maintaining and inspecting the dam to ensure its structural integrity and safety. While currently rated as "Not Rated" in terms of condition assessment, regular inspections and adherence to state regulations are crucial for safeguarding the dam's functionality and mitigating any potential risks.

As water resource and climate enthusiasts, it is essential to recognize the role that dams like Pollocks Jh Valley of The Moon play in managing water resources and protecting communities from natural disasters. By staying informed about the dam's status, its purposes, and its regulatory oversight, enthusiasts can contribute to the preservation of this important water infrastructure and the sustainable use of water in the region.

Year Completed

1960

Dam Length

350

Dam Height

25

River Or Stream

GIBERT CREEK

Primary Dam Type

Earth

Hydraulic Height

25

Nid Storage

140

Hazard Potential

Low

Nid Height

25
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.