Fish Lake
Key Takeaway
Fish Lake is classified as low hazard in Montana. It was completed in 1927 and is 99 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 26 ft (taller than 77.8% in MT) |
| Dam Length | 287 ft |
| Dam Type | Earth |
| Max Storage | 400 acre-ft |
| Normal Storage | 282 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | MT00851 |
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
USDA FS
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Fish Lake?
Fish Lake 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 Fish Lake?
Fish Lake is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fish Lake built?
Fish Lake was completed in 1927, making it 99 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 Fish Lake?
Fish Lake serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Fish Lake?
Fish Lake has a dam height of 26 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 Fish Lake last inspected?
Fish Lake was last inspected on March 2, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.