Collett
Key Takeaway
Collett is classified as significant hazard in California. It was completed in 1991 and is 35 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 46.3% in CA) |
| Dam Length | 2,900 ft |
| Dam Type | Earth |
| Normal Storage | 7.8K acre-ft |
| Surface Area | 255 acres |
| Max Discharge | 700 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | CA01325 |
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
Malacha Hydro Limited Partnership
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Collett?
Collett 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 Collett?
Collett is owned by Malacha Hydro Limited Partnership (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Collett built?
Collett was completed in 1991, making it 35 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 Collett?
Collett 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 Collett?
Collett has a dam height of 40 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 Collett last inspected?
Collett was last inspected on May 23, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.