Sd Noname 165 Reservoir Report
Nearby: Sd Noname 163 Sd Noname 166
Last Updated: December 6, 2025
Sd Noname 165 is a privately owned dam located in Jackson, South Dakota, along the TR-BAD RIVER.
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Summary
Constructed in 1950 by the Natural Resources Conservation Service, this earth dam stands at a height of 20 feet and spans 500 feet in length. With a storage capacity of 70 acre-feet, the dam serves a primary purpose that is not specified in the data provided.
Despite being classified with a low hazard potential and a condition assessment of "Not Rated", Sd Noname 165 is regulated by the South Dakota Department of Environment and Natural Resources. This oversight includes permitting, inspection, and enforcement to ensure the safety and integrity of the structure. The dam has not been modified in recent years and lacks specific emergency preparedness measures, such as an Emergency Action Plan or inundation maps.
Located within the St. Paul District of the US Army Corps of Engineers jurisdiction, Sd Noname 165 poses minimal risk to downstream communities. However, the lack of a comprehensive risk assessment and management plan may warrant further attention to ensure the continued safety and functionality of this vital water resource infrastructure.
Year Completed |
1950 |
Dam Length |
500 |
Dam Height |
20 |
River Or Stream |
TR-BAD RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
20 |
Nid Storage |
70 |
Hazard Potential |
Low |
Nid Height |
20 |
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 165