Helsell Dam
Key Takeaway
Helsell Dam is classified as low hazard in Washington. It was completed in 1999 and is 27 years old. Its primary use is recreation.
Physical Details
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | WA00724 |
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
JB & JM Helsell, LLLP
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Helsell Dam?
Helsell 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 Helsell Dam?
Helsell Dam is owned by JB & JM Helsell, LLLP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Helsell Dam built?
Helsell Dam was completed in 1999, making it 27 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 Helsell Dam?
Helsell 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 Helsell Dam last inspected?
Helsell Dam was last inspected on August 25, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.