Hanson Dam; Kenny Reservoir Report
Nearby: Howie Du Dam Schatz Du Dam
Last Updated: December 6, 2025
Hanson Dam, also known as Kenny Dam, is a private-owned structure located in North Dakota, specifically in Slope County.
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Summary
Built in 1998 by the USFWS, this earth dam serves as a fish and wildlife pond along Philbrick Creek. With a height of 9.3 feet and a length of 425 feet, the dam has a storage capacity of 273.4 acre-feet, providing essential water resources for the local ecosystem.
Despite being categorized as low hazard potential, Hanson Dam plays a crucial role in maintaining the ecological balance in the area. The dam's primary purpose is to support fish and wildlife habitats, with a normal storage capacity of 48.4 acre-feet. The spillway, an uncontrolled type with a width of 50 feet, ensures that excess water is safely discharged, preventing potential flooding and protecting downstream environments.
Managed by NDSWC, Hanson Dam has been deemed to have a moderate risk level, though its condition assessment remains unrated. With a focus on fish and wildlife conservation, the dam continues to provide a valuable resource for the surrounding area. Its vertical lift outlet gates and stone core types demonstrate a commitment to sustainable water management practices, making Hanson Dam a vital asset for both the local community and the environment.
Year Completed |
1998 |
Dam Length |
425 |
Dam Height |
9.3 |
River Or Stream |
PHILBRICK CREEK-TR |
Primary Dam Type |
Earth |
Surface Area |
30 |
Drainage Area |
5.8 |
Nid Storage |
273.4 |
Outlet Gates |
Vertical Lift |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
9 |
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.
Hanson Dam; Kenny