Upper Clark Reservoir
Key Takeaway
Upper Clark Reservoir is classified as low hazard in Oregon. It was completed in 2004 and is 22 years old. Its primary use is water supply.
Physical Details
| Dam Length | 240 ft |
| Dam Type | Gravity |
| Max Storage | 280 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 56 acres |
| Max Discharge | 0 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | OR00094 |
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
DOI BLM
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Upper Clark Reservoir?
Upper Clark Reservoir 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 Upper Clark Reservoir?
Upper Clark Reservoir is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Clark Reservoir built?
Upper Clark Reservoir was completed in 2004, making it 22 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 Upper Clark Reservoir?
Upper Clark Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Clark Reservoir last inspected?
Upper Clark Reservoir was last inspected on September 18, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.