Ruth Lake Dam
Key Takeaway
Ruth Lake Dam is classified as low hazard in Washington. It was completed in 1977 and is 49 years old. Its primary use is other.
Physical Details
| Dam Height | 18 ft (taller than 23.9% in WA) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 135 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | WA00365 |
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
DOD USN
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Ruth Lake Dam?
Ruth Lake 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 Ruth Lake Dam?
Ruth Lake Dam is owned by DOD USN (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ruth Lake Dam built?
Ruth Lake Dam was completed in 1977, making it 49 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 Ruth Lake Dam?
Ruth Lake Dam 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 Ruth Lake Dam?
Ruth Lake Dam has a dam height of 18 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 Ruth Lake Dam last inspected?
Ruth Lake Dam was last inspected on April 11, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.