Beecher #3 Reservoir Report
Nearby: Beecher #1 Aybee
Last Updated: December 6, 2025
Beecher #3 is a privately-owned earthen dam located in Cohagen, Montana, along the TR-Cottonwood Creek.
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Summary
Built in 1973, this dam serves multiple purposes including fire protection, stock, and small fish pond. With a height of 23 feet and a storage capacity of 50 acre-feet, Beecher #3 plays a crucial role in water resource management in the area. The dam is regulated by the Montana Department of Natural Resources and Conservation (DNRC) and is inspected regularly to ensure its safety and functionality.
Despite being classified as having a low hazard potential, Beecher #3's condition assessment is currently listed as "Not Rated". The dam has not undergone recent inspections or maintenance, raising concerns about its long-term reliability. With climate change impacting water resources and increasing the frequency of extreme weather events, it is essential for dam owners to prioritize regular inspections and maintenance to prevent potential risks and ensure the safety of downstream communities.
As water resource and climate enthusiasts, it is important to monitor dams like Beecher #3 to understand their role in water management and the potential risks they pose. By staying informed about the condition of critical infrastructure like dams, we can work towards sustainable water resource management practices that prioritize safety, resilience, and environmental conservation in the face of a changing climate.
Year Completed |
1973 |
Dam Length |
450 |
Dam Height |
23 |
River Or Stream |
TR-COTTONWOOD CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Nid Storage |
50 |
Hazard Potential |
Low |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Yellowstone River At Forsyth Mt
|
5430cfs |
Nelson Creek Near Van Norman Mt
|
33cfs |
Yellowstone River At Miles City Mt
|
8100cfs |
Musselshell River At Mosby Mt
|
12cfs |
Tongue River At Miles City Mt
|
263cfs |
Flatwillow Creek Near Mosby Mt
|
17cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Beecher #3