Sd Noname 145 Reservoir Report
Nearby: Sd Noname 146 Sd Noname 143
Last Updated: December 6, 2025
Sd Noname 145 is a privately owned earth dam located in Jackson, South Dakota, with a low hazard potential and a height of 22 feet.
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Summary
The dam was completed in 1940 and has a storage capacity of 120 acre-feet, with a normal storage level of 80 acre-feet. It is situated on the TR-Bad River and falls under the regulatory jurisdiction of the South Dakota Department of Environment and Natural Resources (DENR).
Although the dam has not been rated for its condition assessment, it is regularly inspected, permitted, and enforced by the state regulatory agency. With a maximum discharge capacity of 6500 cubic feet per second, Sd Noname 145 plays a crucial role in managing water resources and mitigating flood risks in the region. Despite its age, the dam continues to serve its primary purpose effectively and remains a key infrastructure for water resource management in South Dakota.
With its strategic location and functional design, Sd Noname 145 contributes to the overall water management efforts in the area by providing storage capacity and flood control measures. As climate change continues to impact water resources, the importance of maintaining and upgrading such critical infrastructure becomes increasingly vital for ensuring the resilience and sustainability of water systems in the region.
Year Completed |
1940 |
Dam Length |
220 |
Dam Height |
22 |
River Or Stream |
TR-BAD RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
22 |
Nid Storage |
120 |
Hazard Potential |
Low |
Nid Height |
22 |
Seasonal Comparison
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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.
Sd Noname 145