Black Lake #2
Key Takeaway
Black Lake #2 is classified as significant hazard in Colorado. It was completed in 1957 and is 69 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 59.3% in CO) |
| Dam Length | 245 ft |
| Dam Type | Earth |
| Max Storage | 148 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 648 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | CO00666 |
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
COLORADO PARKS AND WILDLIFE
State Government
Nearby Dams
Black Lake #1
Eagle, CO
High Hazard 31 ftCase #1 Dam
Eagle, CO
Low Hazard 15 ftBuffehrs
Summit, CO
Low Hazard 20 ftMayflower Pond # 5
Summit, CO
High Hazard 237 ftBills Ranch Lake
Summit, CO
Significant Hazard 8 ftTen Mile Pond #3 Dam
Summit, CO
High Hazard 416 ftClinton Gulch
Summit, CO
High Hazard 170 ftDillon
Summit, CO
High Hazard 231 ftFrequently Asked Questions
What is the hazard classification of Black Lake #2?
Black Lake #2 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 Black Lake #2?
Black Lake #2 is owned by COLORADO PARKS AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Lake #2 built?
Black Lake #2 was completed in 1957, making it 69 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 Black Lake #2?
Black Lake #2 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Black Lake #2?
Black Lake #2 has a dam height of 27 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 Black Lake #2 last inspected?
Black Lake #2 was last inspected on July 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.