Elk River
Key Takeaway
Elk River is classified as low hazard in Idaho. It was completed in 1951 and is 75 years old. Its primary use is other.
Physical Details
| Dam Height | 22 ft (taller than 34.7% in ID) |
| Dam Length | 175 ft |
| Normal Storage | 463 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 42 sq mi |
| Max Discharge | 2,917 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | ID00146 |
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
State Government
Frequently Asked Questions
What is the hazard classification of Elk River?
Elk River 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 Elk River?
Elk River is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Elk River built?
Elk River was completed in 1951, making it 75 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 Elk River?
Elk River serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Elk River?
Elk River has a dam height of 22 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 Elk River last inspected?
Elk River was last inspected on May 21, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.