Timberlake is a private dam located in Grady County, Oklahoma, near the city of Newcastle.
Wind
Humidity
Built in 1965, this earth dam stands at 20 feet tall and spans 500 feet in length, with a primary purpose of providing recreational opportunities. The dam holds a storage capacity of 78 acre-feet, with a normal storage level at 54 acre-feet, covering a surface area of 11 acres and draining a watershed area of 0.57 square miles.
Despite its recreational benefits, Timberlake poses a high hazard potential with poor condition assessment, indicating a need for maintenance and risk management measures. The dam's spillway type is controlled, with a spillway width of 1 foot and one outlet gate for water release. The dam is regulated by the Oklahoma Water Resources Board and undergoes periodic inspections, with the last assessment conducted in August 2021. Given its very high risk assessment rating, there is a pressing need for enhanced emergency preparedness and risk mitigation strategies to ensure the safety of downstream communities and the surrounding environment.
Year Completed |
1965 |
Dam Length |
500 |
Dam Height |
20 |
River Or Stream |
TR-COAL CR |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
19 |
Drainage Area |
0.57 |
Nid Storage |
78 |
Structural Height |
20 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
20 |