The dam stands at a height of 30 feet and has a length of 265 feet, providing a maximum storage capacity of 81 acre-feet. Situated on Timber Creek, the dam serves the purpose of water resource management and flood control within the region.
Managed by the South Dakota Department of Environmental and Natural Resources (DENR), Stern Dam has been deemed to have a low hazard potential with a moderate risk assessment rating. Despite its relatively small drainage area of one square mile, the dam plays a crucial role in regulating water flow and mitigating potential risks to downstream areas. With a spillway width of 80 feet and a maximum discharge capacity of 588 cubic feet per second, Stern Dam is equipped to handle excess water during heavy rainfall events.
As a key infrastructure in the St. Paul District, Stern Dam contributes to the overall water management strategy in the region by providing a reliable water source for various purposes. With its solid construction and state-regulated inspection and enforcement protocols in place, Stern Dam stands as a vital component in ensuring water resource sustainability and climate resilience in South Dakota.
Year Completed |
2005 |
Dam Length |
265 |
Dam Height |
30 |
River Or Stream |
TR TIMBER CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
30 |
Drainage Area |
1 |
Nid Storage |
81 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
James R Near Stratford Sd
|
409cfs |
James R At Ashton Sd
|
418cfs |
James R Near Redfield Sd
|
468cfs |
Big Sioux River Nr Florence Sd
|
5cfs |
Big Sioux R Near Watertown Sd
|
19cfs |
Big Sioux R At Watertown Sd
|
26cfs |