Sedimentation Pond Hg-1
Key Takeaway
Sedimentation Pond Hg-1 is classified as low hazard in Colorado. It was completed in 1979 and is 47 years old. Its primary use is other.
Physical Details
| Dam Height | 40 ft (taller than 81.3% in CO) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 44 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,090 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | CO02221 |
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
H. G. COAL CO.
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Sedimentation Pond Hg-1?
Sedimentation Pond Hg-1 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 Sedimentation Pond Hg-1?
Sedimentation Pond Hg-1 is owned by H. G. COAL CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sedimentation Pond Hg-1 built?
Sedimentation Pond Hg-1 was completed in 1979, making it 47 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 Sedimentation Pond Hg-1?
Sedimentation Pond Hg-1 serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sedimentation Pond Hg-1?
Sedimentation Pond Hg-1 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 Sedimentation Pond Hg-1 last inspected?
Sedimentation Pond Hg-1 was last inspected on January 1, 1991. Inspection dates indicate when a formal review occurred, not the results of that inspection.