John Bunker is a privately owned dam located in Lyman, South Dakota, with a low hazard potential and a height of 26 feet.
Wind
Humidity
Constructed in 1961, this earth dam stands at 240 feet in length and has a storage capacity of 32 acre-feet. It is regulated by the South Dakota Department of Environment and Natural Resources and undergoes regular inspections, permitting, and enforcement to ensure its safety and compliance with state regulations.
Managed by the Natural Resources Conservation Service, John Bunker plays a crucial role in water resource management in the area. It has a maximum discharge capacity of 313 cubic feet per second and a normal storage of 26 acre-feet. Despite being not rated for its condition assessment, the dam remains a vital structure for flood control and water supply in the region. The dam's location on the TR-MISSO river system adds to its significance in regulating water flow and storage.
With its key role in water resource management and climate resilience, John Bunker stands as a testament to the importance of private infrastructure in safeguarding our natural resources. As a part of the St. Paul District and under the jurisdiction of the state of South Dakota, this dam serves as a valuable asset in mitigating flood risks and ensuring water availability for the local community. Its history, design, and regulatory oversight make it a noteworthy structure for water resource and climate enthusiasts to study and appreciate.
Year Completed |
1961 |
Dam Length |
240 |
Dam Height |
26 |
River Or Stream |
TR-MISSONot RatedI |
Primary Dam Type |
Earth |
Hydraulic Height |
26 |
Nid Storage |
32 |
Hazard Potential |
Low |
Nid Height |
26 |
White R Near Oacoma Sd
|
105cfs |
Platte Creek Near Platte
|
3cfs |
Bad R Near Fort Pierre Sd
|
7cfs |
Keya Paha R At Wewela Sd
|
54cfs |
Keya Paha R Near Keyapaha Sd
|
33cfs |
Firesteel Cr Near Mount Vernon Sd
|
0cfs |