Unocal Storage Pond #3
Key Takeaway
Unocal Storage Pond #3 is classified as low hazard in Colorado. It was completed in 1989 and is 37 years old. Its primary use is tailings.
Physical Details
| Dam Height | 8 ft (taller than 1.3% in CO) |
| Dam Length | 1,850 ft |
| Dam Type | Earth |
| Max Storage | 55 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 27 cfs |
| Year Completed | 1989 (37 years old) |
| Year Modified | 1999 |
| NID ID | CO02553 |
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
UNION OIL CO. OF CALIFORNIA
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Unocal Storage Pond #3?
Unocal Storage Pond #3 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 Unocal Storage Pond #3?
Unocal Storage Pond #3 is owned by UNION OIL CO. OF CALIFORNIA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Unocal Storage Pond #3 built?
Unocal Storage Pond #3 was completed in 1989, making it 37 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 Unocal Storage Pond #3?
Unocal Storage Pond #3 serves the following purposes: Tailings, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Unocal Storage Pond #3?
Unocal Storage Pond #3 has a dam height of 8 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 Unocal Storage Pond #3 last inspected?
Unocal Storage Pond #3 was last inspected on November 30, 1995. Inspection dates indicate when a formal review occurred, not the results of that inspection.