Shell Refinery Water Storage Reservoir
Key Takeaway
Shell Refinery Water Storage Reservoir is classified as low hazard in Washington. It was completed in 1958 and is 68 years old. Its primary use is water supply.
Physical Details
| Dam Type | Earth |
| Max Storage | 37 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | WA01969 |
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
HF Sinclair
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Shell Refinery Water Storage Reservoir?
Shell Refinery Water Storage 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 Shell Refinery Water Storage Reservoir?
Shell Refinery Water Storage Reservoir is owned by HF Sinclair (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shell Refinery Water Storage Reservoir built?
Shell Refinery Water Storage Reservoir was completed in 1958, making it 68 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 Shell Refinery Water Storage Reservoir?
Shell Refinery Water Storage 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 Shell Refinery Water Storage Reservoir last inspected?
Shell Refinery Water Storage Reservoir was last inspected on November 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.