Heart Butte Dike Reservoir Report
Nearby: Heart Butte Freitag Dam; Francis
Last Updated: December 8, 2025
The Heart Butte Dike, also known as Heart Butte Dam, is a federal-owned structure located in Grant, North Dakota, along the Heart River.
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Summary
Built in 1949 by the Bureau of Reclamation, this earth dam stands at a structural height of 30 feet and a hydraulic height of 7 feet, with a length of 2884 feet. The dam has a storage capacity of 67,142 acre-feet, serving a drainage area of 1810 acres and covering a surface area of 3299 acres.
Despite its low hazard potential, the Heart Butte Dike is regulated, permitted, inspected, and enforced by state authorities, ensuring its safety and functionality. The dam does not have an emergency action plan in place, but it meets regulatory guidelines. With a history of regular inspections and maintenance, the Heart Butte Dike continues to play a crucial role in flood control and water resource management in the region. Climate and water resource enthusiasts can appreciate the engineering and operational aspects of this vital structure in safeguarding the surrounding communities and ecosystems.
Year Completed |
1949 |
Dam Length |
2884 |
River Or Stream |
HEART RIVER |
Primary Dam Type |
Earth |
Surface Area |
3299 |
Hydraulic Height |
7 |
Drainage Area |
1810 |
Nid Storage |
67142 |
Structural Height |
30 |
Hazard Potential |
Low |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Heart Butte Dike