Dubisar Dam; Harley Reservoir Report
Nearby: Rundle Du Rundle Dam; Earl 1
Last Updated: December 6, 2025
Dubisar Dam, also known as Harley Dam, is a private structure located in Slope County, North Dakota.
°F
°F
mph
Wind
%
Humidity
Summary
Built in 1991 by the USFWS, this earth dam serves as a Fish and Wildlife Pond with a storage capacity of 142 acre-feet. The dam stands at a height of 7 feet and has a spillway width of 40 feet, designed to handle uncontrolled spills in case of overflow.
Managed by the North Dakota State Water Commission, the dam is regulated, inspected, and enforced by state authorities to ensure its safety and functionality. With a low hazard potential and a moderate risk assessment rating, Dubisar Dam plays a crucial role in providing water resources for the local ecosystem. Despite not being rated for its condition, the dam continues to serve its primary purpose of supporting fish and wildlife habitats in the area.
Situated on the Cannonball-Tr River, Dubisar Dam is a vital component in the conservation efforts of the region. While it may not have a significant impact on flood control or water supply, its role in supporting the local ecosystem makes it a valuable asset for water resource and climate enthusiasts. With its relatively low hazard potential and moderate risk assessment, Dubisar Dam stands as a testament to the importance of sustainable water management practices in North Dakota.
Year Completed |
1991 |
Dam Height |
7 |
River Or Stream |
CANNONBALL-TR |
Primary Dam Type |
Earth |
Surface Area |
32 |
Drainage Area |
0.92 |
Nid Storage |
142 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
7 |
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.
Dubisar Dam; Harley