Chickahominy Reservoir
Key Takeaway
Chickahominy Reservoir is classified as significant hazard in Oregon. It was completed in 1951 and is 75 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 72.6% in OR) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 9.0K acre-ft |
| Normal Storage | 7.2K acre-ft |
| Surface Area | 529 acres |
| Drainage Area | 28 sq mi |
| Max Discharge | 2,862 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | OR00228 |
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
OREGON DEPARTMENT OF FISH AND WILDLIFE
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Chickahominy Reservoir?
Chickahominy Reservoir 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 Chickahominy Reservoir?
Chickahominy Reservoir is owned by OREGON DEPARTMENT OF FISH AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chickahominy Reservoir built?
Chickahominy Reservoir 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 Chickahominy Reservoir?
Chickahominy Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chickahominy Reservoir?
Chickahominy Reservoir has a dam height of 36 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 Chickahominy Reservoir last inspected?
Chickahominy Reservoir was last inspected on October 29, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.