Sd Noname 6 Reservoir Report

Last Updated: December 13, 2025

Sd Noname 6, located in Buffalo, South Dakota, is a privately owned earth dam completed in 1949 with a height of 29 feet and a storage capacity of 22 acre-feet.


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Summary

The dam is regulated by the South Dakota Department of Environment and Natural Resources (DENR) and is inspected, permitted, and enforced by the state government. Despite being rated as having a low hazard potential, the dam's condition assessment is currently marked as "Not Rated".

Managed by the Natural Resources Conservation Service, Sd Noname 6 serves the primary purpose of water resource management in the region. With a maximum discharge capacity of 312 cubic feet per second and a normal storage capacity of 12 acre-feet, the dam plays a crucial role in controlling the flow of the TR-MISSONot RatedI river or stream. While the dam does not have a designated spillway type or outlet gates, it has not undergone recent modifications or assessments related to its emergency action plan or risk management measures.

Overall, Sd Noname 6 stands as a vital infrastructure for water resource management in South Dakota, providing essential storage and regulation capabilities for the surrounding area. As climate change continues to impact water availability and quality, it is essential to ensure the ongoing maintenance and safety of dams like Sd Noname 6 to safeguard communities and ecosystems in the face of evolving environmental challenges.

Year Completed

1949

Dam Length

250

Dam Height

29

River Or Stream

TR-MISSONot RatedI

Primary Dam Type

Earth

Hydraulic Height

29

Nid Storage

22

Hazard Potential

Low

Nid Height

29
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.