Sd Noname 61 Reservoir Report
Nearby: Sd Noname 60 Sd Noname 62
Last Updated: December 5, 2025
Sd Noname 61 is a privately owned dam located in Haakon, South Dakota, along the TR-BAD RIVER.
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Summary
Built in 1955 and regulated by the South Dakota DENR, this earth dam stands at 19 feet in height with a length of 390 feet, providing a storage capacity of 76 acre-feet. Despite its low hazard potential and a condition assessment of "Not Rated," the dam is regularly inspected, permitted, and enforced by state authorities to ensure its safety and compliance with regulations.
Managed by the Natural Resources Conservation Service, Sd Noname 61 plays a crucial role in water resource management and flood control within the St. Paul District of South Dakota. With a maximum discharge of 600 cfs, the dam serves as a vital infrastructure for mitigating potential risks and protecting downstream communities from flooding events. While the dam's emergency action plan and risk assessment details are not specified in the data, the presence of state-mandated inspections and regulatory oversight underscores the commitment to safety and environmental stewardship.
For water resource and climate enthusiasts, Sd Noname 61 serves as a fascinating example of how private dams contribute to sustainable water management and environmental protection. With its historical significance, structural specifications, and regulatory framework, this dam exemplifies the intersection of human engineering with natural landscapes, highlighting the importance of proactive monitoring and maintenance to ensure the resilience of water infrastructure in the face of changing climate conditions.
Year Completed |
1955 |
Dam Length |
390 |
Dam Height |
19 |
River Or Stream |
TR-BAD RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Nid Storage |
76 |
Hazard Potential |
Low |
Nid Height |
19 |
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 61