Mcdearman Jack No 8 is a privately owned earth dam in Marshall County, Oklahoma, designed by the USDA NRCS and regulated by the OWRB.
Wind
Humidity
Completed in 1977, this dam primarily serves the purpose of flood risk reduction along the TR-Little Hauani Creek. With a height of 35 feet and a hydraulic height of 30 feet, this structure has a maximum storage capacity of 87 acre-feet, with a normal storage level of 50 acre-feet.
Despite its low hazard potential, Mcdearman Jack No 8 is considered to have a very high risk due to its location and purpose. The dam features a controlled spillway and a single valve outlet gate. The last inspection was conducted in 2002, with a scheduled inspection frequency of 5 years. While the condition assessment is currently listed as "Not Rated," the risk management measures and emergency action plan status are not specified.
Overall, Mcdearman Jack No 8 represents a critical component of flood risk mitigation in the area, with a focus on protecting the surrounding community from potential inundation events. As climate change continues to impact water resources, structures like Mcdearman Jack No 8 play a vital role in safeguarding against the effects of extreme weather events and ensuring the resilience of the local ecosystem.
Year Completed |
1977 |
Dam Length |
300 |
Dam Height |
35 |
River Or Stream |
TR-LITTLE HAUANI CR |
Primary Dam Type |
Earth |
Hydraulic Height |
30 |
Nid Storage |
87 |
Structural Height |
35 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |