Sleepy Hollow Dam
Key Takeaway
Sleepy Hollow Dam is classified as low hazard in Washington. It was completed in 2000 and is 26 years old. Its primary use is recreation.
Physical Details
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 108 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 15 acres |
| Max Discharge | 0 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | WA00678 |
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
Johnson Childrens Trust
Private
Frequently Asked Questions
What is the hazard classification of Sleepy Hollow Dam?
Sleepy Hollow 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 Sleepy Hollow Dam?
Sleepy Hollow Dam is owned by Johnson Childrens Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sleepy Hollow Dam built?
Sleepy Hollow Dam was completed in 2000, making it 26 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 Sleepy Hollow Dam?
Sleepy Hollow Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Sleepy Hollow Dam last inspected?
Sleepy Hollow Dam was last inspected on May 30, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.