Oh Henry's Place Reservoir Report
Nearby: Berkholder Dam Henry Dam #2
Last Updated: December 21, 2025
Situated in the picturesque city of Galata, Montana, Oh Henry's Place is a privately owned dam on Big Coulee, completed in 1948 with a primary purpose of providing fire protection, stock watering, and a small fish pond.
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Summary
With a height of 27 feet and a length of 175 feet, this earth dam has a storage capacity of 73 acre-feet, with a normal storage level of 46 acre-feet. The dam is under the jurisdiction of the Montana Department of Natural Resources and Conservation (DNRC), ensuring regular inspections and enforcement of safety regulations.
Despite being classified as having a low hazard potential, the condition of Oh Henry's Place has not been formally assessed. The dam has not undergone any modifications or received a condition rating, and there is no Emergency Action Plan (EAP) in place. While the risk assessment, management measures, and inundation maps are not available, the dam is in compliance with state permitting and inspection requirements. The serene setting and vital functions of Oh Henry's Place make it a valuable asset for water resource and climate enthusiasts to explore and appreciate in Toole County, Montana.
Year Completed |
1948 |
Dam Length |
175 |
Dam Height |
27 |
River Or Stream |
BIG COULEE |
Primary Dam Type |
Earth |
Hydraulic Height |
27 |
Nid Storage |
73 |
Hazard Potential |
Low |
Nid Height |
27 |
Seasonal Comparison
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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.
Oh Henry's Place