Lyle Nelson #8
Key Takeaway
Lyle Nelson #8 is classified as low hazard in Montana. It was completed in 1969 and is 57 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 | 237 acre-ft |
| Normal Storage | 121 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,000 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | MT02991 |
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
LYLE E NELSON
Private
Nearby Dams
Nelson #2
McCone, MT
Low Hazard 15 ftNelson #1
McCone, MT
Significant Hazard 20 ftNomland Dam
McCone, MT
Low Hazard 16 ftLyle Nelson #3
McCone, MT
Low Hazard 15 ftNelson Reservoir #2
McCone, MT
Low Hazard 15 ftLyle Nelson #6
McCone, MT
Low Hazard 14 ftLyle Nelson #5
McCone, MT
Low Hazard 15 ftLyle Nelson #7
McCone, MT
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Lyle Nelson #8?
Lyle Nelson #8 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 Lyle Nelson #8?
Lyle Nelson #8 is owned by LYLE E NELSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lyle Nelson #8 built?
Lyle Nelson #8 was completed in 1969, making it 57 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 Lyle Nelson #8?
Lyle Nelson #8 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 Lyle Nelson #8?
Lyle Nelson #8 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.