Cooney Dam, located in Carbon County, Montana, is a state-regulated structure on the Red Lodge Creek, built in 1937 primarily for irrigation purposes.
Wind
Humidity
With a dam height of 102 feet and a storage capacity of 28,230 acre-feet, it plays a crucial role in water resource management in the region. The dam has a surface area of 1,078 acres and a drainage area of 206 square miles, ensuring a steady supply of water for agricultural activities in the area.
Despite being classified as having a high hazard potential, Cooney Dam is in satisfactory condition as of the last assessment in December 2020. Regular inspections are conducted, with the last one taking place in November 2021, to ensure the safety and integrity of the structure. The dam has an uncontrolled spillway with a width of 150 feet, and outlet gates are also uncontrolled. While the risk assessment is moderate, with a rating of 3, it is essential to continue monitoring and implementing risk management measures to mitigate any potential threats and ensure the long-term sustainability of this vital water resource infrastructure in Montana.
Year Completed |
1937 |
Dam Length |
2369 |
Dam Height |
102 |
River Or Stream |
RED LODGE CREEK |
Primary Dam Type |
Earth |
Surface Area |
1078 |
Hydraulic Height |
102 |
Drainage Area |
206 |
Nid Storage |
28230 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
102 |