Mud Lake
Key Takeaway
Mud Lake is classified as high hazard in Montana. It was completed in 1950 and is 76 years old. Its primary use is fire protection. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 0 cfs |
| Year Completed | 1950 (76 years old) |
| Year Modified | 2001 |
| NID ID | MT03674 |
Safety Information
Loss of human life is likely if the dam fails.
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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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Mud Lake?
Mud Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mud Lake?
Mud Lake 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 Mud Lake built?
Mud Lake was completed in 1950, making it 76 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 Mud Lake?
Mud Lake serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mud Lake?
Mud Lake 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.
When was Mud Lake last inspected?
Mud Lake was last inspected on June 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.