Mirror Pool Wma #3 Reservoir Report
Nearby: Mirror Pool Wma #4 Mirror Pool Wma #2
Last Updated: December 14, 2025
Mirror Pool Wma #3 in Ransom, North Dakota, is a state-owned Fish and Wildlife Pond designed by DU & NDGF.
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Summary
Completed in 1989, this Earth dam structure stands at a height of 8 feet and has a storage capacity of 70.7 acre-feet. The primary purpose of this dam is to provide habitat for fish and wildlife in the area.
Managed by the North Dakota State Water Commission, Mirror Pool Wma #3 is regulated, permitted, inspected, and enforced by the state. The dam has a low hazard potential with a moderate risk assessment rating. It features an uncontrolled spillway with a width of 100 feet and a single vertical lift outlet gate. The condition of the dam is currently not rated, and there is no Emergency Action Plan (EAP) in place.
Located along the Sheyenne River, this dam plays a crucial role in maintaining the ecological balance of the surrounding environment. With its modest storage capacity and surface area, Mirror Pool Wma #3 serves as a valuable resource for wildlife conservation and recreational activities in North Dakota.
Year Completed |
1989 |
Dam Height |
8 |
River Or Stream |
SHEYENNE RIVER-TR |
Primary Dam Type |
Earth |
Surface Area |
12 |
Drainage Area |
0.56 |
Nid Storage |
70.7 |
Outlet Gates |
Vertical Lift - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
8 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Maple River Nr Enderlin
|
25cfs |
Sheyenne River Near Kindred
|
337cfs |
Sheyenne River At Lisbon
|
222cfs |
Sheyenne R Ab Sheyenne R Diversion Nr Horace
|
295cfs |
Maple River Nr Mapleton
|
32cfs |
Wild Rice River Nr Abercrombie
|
49cfs |
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.
Mirror Pool Wma #3