Rock Creek Lake is a private water supply reservoir located in Garrison, Montana.
Wind
Humidity
Built in 1960, this earth dam stands at a height of 30 feet and has a storage capacity of 2552 acre-feet. The primary purpose of Rock Creek Lake is water supply, serving as a vital resource for the local community in Powell County.
With a significant hazard potential, Rock Creek Lake is regulated by the Montana Department of Natural Resources and Conservation. Despite not having a current condition assessment, the dam is inspected, permitted, and enforced by state authorities to ensure its structural integrity and safety. The reservoir's location on Rock Creek, within the Seattle District of the US Army Corps of Engineers, highlights its importance in managing water resources and mitigating climate-related risks in the region.
For water resource and climate enthusiasts, Rock Creek Lake serves as a key infrastructure for water supply and management in Montana. Its history, design, and regulatory oversight provide valuable insights into the challenges and opportunities of sustaining vital water resources in a changing climate. As a significant reservoir with a crucial role in the local community, Rock Creek Lake exemplifies the importance of proactive management and investment in resilient water infrastructure.
Year Completed |
1960 |
Dam Length |
320 |
Dam Height |
30 |
River Or Stream |
ROCK CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
30 |
Nid Storage |
2552 |
Hazard Potential |
Significant |
Nid Height |
30 |
Little Blackfoot River Near Garrison Mt
|
49cfs |
Clark Fork At Deer Lodge Mt
|
156cfs |
Clark Fork At Goldcreek Mt
|
248cfs |
Boulder Creek At Maxville Mt
|
22cfs |
Flint Creek At Maxville Mt
|
235cfs |
Lost Creek Near Galen
|
36cfs |
| Location | Reservations | Toilets |
|---|---|---|
Douglas Creek Cabin
|
||
Racetrack
|
||
Racetrack Cabin
|
||
Racetrack Campground and Picnic Area
|