Summary
Completed in 1960, the dam stands at a height of 11 feet and has a length of 570 feet, providing a storage capacity of 68 acre-feet and a maximum discharge of 3400 cubic feet per second. It is regulated by the South Dakota Department of Environment and Natural Resources (DENR) and is inspected, permitted, and enforced by the state agency.
With a low hazard potential and a current condition assessment of "Not Rated," Strong 2 is an essential component of water resource management in the region. It plays a crucial role in flood control and water storage for the surrounding area, helping to mitigate the impacts of extreme weather events and maintain a stable water supply for both agricultural and residential use. Despite its age, the dam continues to serve its purpose effectively, demonstrating the importance of proper maintenance and monitoring of infrastructure for climate resilience.
Located on a tributary of the Belle Fourche River, Strong 2 is a key piece of infrastructure in the St. Paul District of the US Army Corps of Engineers. While the dam has not been modified in recent years, its operational efficiency and safety are regularly assessed to ensure it meets regulatory guidelines and poses no significant risk to the surrounding community. As climate change continues to impact water resources, the maintenance and upkeep of structures like Strong 2 will be crucial for adapting to a changing climate and ensuring water security for future generations.
Year Completed |
1960 |
Dam Length |
570 |
Dam Height |
11 |
River Or Stream |
TRIB. BELLE FONot RatedCHE RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
11 |
Nid Storage |
68 |
Hazard Potential |
Low |
Nid Height |
11 |
Seasonal Comparison
Weather Forecast
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.
Strong 2