Boise Cascade Lower Dam
Key Takeaway
Boise Cascade Lower Dam is classified as significant hazard in New York. It was completed in 1865 and is 161 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 33.5% in NY) |
| Dam Length | 400 ft |
| Dam Type | Concrete |
| Max Storage | 209 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 324 sq mi |
| Max Discharge | 18,000 cfs |
| Year Completed | 1865 (161 years old) |
| NID ID | NY00756 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
EAGLE CREEK HYDRO POWER, LLC
Private
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What is the hazard classification of Boise Cascade Lower Dam?
Boise Cascade Lower Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Boise Cascade Lower Dam?
Boise Cascade Lower Dam is owned by EAGLE CREEK HYDRO POWER, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Boise Cascade Lower Dam built?
Boise Cascade Lower Dam was completed in 1865, making it 161 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 Boise Cascade Lower Dam?
Boise Cascade Lower Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Boise Cascade Lower Dam?
Boise Cascade Lower Dam has a dam height of 14 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 Boise Cascade Lower Dam last inspected?
Boise Cascade Lower Dam was last inspected on August 8, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.