Silver Lake East Dam
Key Takeaway
Silver Lake East Dam is classified as low hazard in Montana. It was completed in 1918 and is 108 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 11 ft (taller than 8.4% in MT) |
| Dam Length | 1,012 ft |
| Dam Type | Earth |
| Max Storage | 17.9K acre-ft |
| Normal Storage | 17.6K acre-ft |
| Surface Area | 340 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 350 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | MT03752 |
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
BUTTE-SILVER BOW
Local Government
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Silver Lake East Dam?
Silver Lake East 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 Silver Lake East Dam?
Silver Lake East Dam is owned by BUTTE-SILVER BOW (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silver Lake East Dam built?
Silver Lake East Dam was completed in 1918, making it 108 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 Silver Lake East Dam?
Silver Lake East 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 Silver Lake East Dam?
Silver Lake East Dam has a dam height of 11 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 Silver Lake East Dam last inspected?
Silver Lake East Dam was last inspected on June 13, 1995. Inspection dates indicate when a formal review occurred, not the results of that inspection.