Rock Creek Lake Dam
Key Takeaway
Rock Creek Lake Dam is classified as low hazard in Montana. It was completed in 1900 and is 126 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 32 acre-ft |
| Normal Storage | 16 acre-ft |
| Year Completed | 1900 (126 years old) |
| NID ID | MT03292 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
FRANKLIN INC.
Private
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High Hazard 52 ftFrequently Asked Questions
What is the hazard classification of Rock Creek Lake Dam?
Rock Creek Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rock Creek Lake Dam?
Rock Creek Lake Dam is owned by FRANKLIN INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Creek Lake Dam built?
Rock Creek Lake Dam was completed in 1900, making it 126 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Rock Creek Lake Dam?
Rock Creek Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rock Creek Lake Dam?
Rock Creek Lake Dam has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.