Sd Noname 84 Reservoir Report
Nearby: Sd Noname 83 Sd Noname 82
Last Updated: December 5, 2025
Sd Noname 84 is a privately owned dam located in Haakon, South Dakota, with a unique history dating back to its completion in 1958.
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Summary
Managed by the Natural Resources Conservation Service, this earth dam stands at a height of 15 feet and stretches 630 feet in length, providing a storage capacity of 108 acre-feet. While the dam's primary purpose is not specified, its low hazard potential and current condition assessment as "Not Rated" suggest a stable and well-maintained structure.
Despite being state-regulated and permitted, with regular inspections and enforcement in place, Sd Noname 84 has not been assessed for emergency action preparedness or risk management measures. With a maximum discharge capacity of 1260 cubic feet per second, this dam plays a crucial role in managing water resources in the region. As a key feature in the BADRIVEROFFSTREAM system, it contributes to the overall water supply and flood control efforts in the area, demonstrating the important intersection between water resource management and climate resilience strategies.
Year Completed |
1958 |
Dam Length |
630 |
Dam Height |
15 |
River Or Stream |
BADRIVEROFFSTREAM |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
108 |
Hazard Potential |
Low |
Nid Height |
15 |
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.
Sd Noname 84