Doney Lake Dam
Key Takeaway
Doney Lake Dam is classified as low hazard in Montana. It was completed in 1946 and is 80 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 18 ft (taller than 36.9% in MT) |
| Dam Length | 285 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 140 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | MT01235 |
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
State Of Montana, D.O.C.
State Government
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Doney Lake Dam?
Doney 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 Doney Lake Dam?
Doney Lake Dam is owned by State Of Montana, D.O.C. (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Doney Lake Dam built?
Doney Lake Dam was completed in 1946, making it 80 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 Doney Lake Dam?
Doney 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 Doney Lake Dam?
Doney Lake Dam has a dam height of 18 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.