Dnot Ratedkee is a state-owned dam located in Meade, South Dakota, along the TR CHEYENNE river.
Wind
Humidity
Built by the WPA in 1938, this earth dam stands 31 feet tall and has a hydraulic height of 32 feet, providing a maximum storage capacity of 1867 acre-feet. While the dam is considered to have a high hazard potential, its current condition is rated as fair, with the last inspection conducted in October 2018.
The dam's spillway is uncontrolled with a width of 45 feet, and its drainage area covers 6 square miles. Despite lacking outlet gates, Dnot Ratedkee has a normal storage capacity of 900 acre-feet and a maximum discharge rate of 3645 cubic feet per second. With its moderate risk assessment of 3 on a scale of 1 to 5, this dam is subject to regular inspections every three years to ensure its structural integrity and overall safety.
For water resource and climate enthusiasts, Dnot Ratedkee serves as a noteworthy example of early infrastructure development in South Dakota, highlighting the importance of dam safety and risk management in safeguarding communities against potential hazards. As a regulated state structure under the jurisdiction of the South Dakota Department of Agriculture and Natural Resources, this dam plays a crucial role in water storage and flood control along the TR CHEYENNE river, demonstrating the intersection of engineering, environmental stewardship, and public safety in managing water resources for the benefit of local populations.
Year Completed |
1938 |
Dam Length |
1010 |
Dam Height |
31 |
River Or Stream |
TR CHEYENNE |
Primary Dam Type |
Earth |
Hydraulic Height |
32 |
Drainage Area |
6 |
Nid Storage |
1867 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
32 |
Sowashee Creek At Meridian
|
16cfs |
Okatibbee Creek At Arundel
|
89cfs |
Chunky River Nr Chunky
|
301cfs |
Chickasawhay River At Enterprise
|
546cfs |
Sucarnoochee River At Livingston Al
|
272cfs |
Tallahala Creek At Waldrup
|
164cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Tom Bailey
|
||
Dunn's Falls Water Park
|
||
Dunns Falls Water Park
|