Evans, L.
Key Takeaway
Evans, L. is classified as low hazard in Montana. It was completed in 1961 and is 65 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Max Storage | 155 acre-ft |
| Normal Storage | 79 acre-ft |
| Drainage Area | 8 sq mi |
| Max Discharge | 384 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | MT00301 |
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
GEORGE RIPLEY
Private
Nearby Dams
Flat Milford Colony
Lewis and Clark, MT
Low Hazard 15 ftMilford Colony
Lewis and Clark, MT
Low Hazard 15 ftThompson, Frank
Lewis and Clark, MT
Low Hazard 20 ftFlicked Bic
Cascade, MT
Low Hazard 12 ftKrezelok
Lewis and Clark, MT
Low Hazard 15 ftDetergent
Lewis and Clark, MT
Low Hazard 15 ftSoap Creek
Lewis and Clark, MT
Low Hazard 25 ftDeiphobus
Cascade, MT
Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Evans, L.?
Evans, L. 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 Evans, L.?
Evans, L. is owned by GEORGE RIPLEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Evans, L. built?
Evans, L. was completed in 1961, making it 65 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 Evans, L.?
Evans, L. 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 Evans, L.?
Evans, L. has a dam height of 20 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.