Kona Ranch, located in Missoula, Montana, is a privately owned irrigation structure designed by the USDA NRCS and regulated by the DNRC.
Wind
Humidity
Built in 1959, this Earth dam stands at 29 feet tall and spans 325 feet in length, with a storage capacity of 65 acre-feet. Situated on the TR-CLARK FORK RIVER, Kona Ranch serves as a vital water resource for agricultural purposes in the region, with a drainage area of 0.92 square miles.
With a significant hazard potential, Kona Ranch has not been rated for its condition assessment. While the dam has not been inspected recently, it falls under the jurisdiction of the state of Montana and is subject to state permitting, inspection, and enforcement. The dam's spillway width of 19 feet and maximum discharge of 118 cubic feet per second help to manage water flow and prevent potential risks associated with the structure.
As a key component of the local water infrastructure, Kona Ranch plays a crucial role in supporting agricultural activities in the area. With its strategic location on the TR-CLARK FORK RIVER and its state-regulated status, the dam serves as a valuable resource for water management and irrigation purposes. As water resource and climate enthusiasts, monitoring and maintaining the safety and efficiency of structures like Kona Ranch is essential to ensuring sustainable water use and environmental stewardship in the region.
Year Completed |
1959 |
Dam Length |
325 |
Dam Height |
29 |
River Or Stream |
TR-CLARK FORK RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
26 |
Drainage Area |
0.92 |
Nid Storage |
65 |
Hazard Potential |
Significant |
Nid Height |
29 |
Clark Fork Below Missoula Mt
|
2290cfs |
Bitterroot River Near Missoula Mt
|
1020cfs |
Clark Fork Above Missoula Mt
|
1110cfs |
Clark Fork At Turah Bridge Nr Bonner Mt
|
706cfs |
Blackfoot River Near Bonner Mt
|
382cfs |
Rock Creek Near Clinton Mt
|
202cfs |