Hanna Ranch Supernatant
Key Takeaway
Hanna Ranch Supernatant is classified as low hazard in Colorado. It was completed in 1996 and is 30 years old. Its primary use is other.
Physical Details
| Dam Height | 35 ft (taller than 75.7% in CO) |
| Dam Length | 1,585 ft |
| Dam Type | Earth |
| Max Storage | 507 acre-ft |
| Normal Storage | 375 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 700 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | CO02912 |
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
COLORADO SPRINGS UTILITIES
Public Utility
Nearby Dams
R. D. Nixon
El Paso, CO
Significant Hazard 28 ftCalahan
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Low Hazard 25 ftNorthside
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Low Hazard 15 ftHaymes Storage
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Low Hazard 20 ftJohn Townsend
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Low Hazard 46 ftFountain Valley No 2
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High Hazard 54 ftJohn May #1
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Low Hazard 25 ftKeeton Lake
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Significant Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Hanna Ranch Supernatant?
Hanna Ranch Supernatant 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 Hanna Ranch Supernatant?
Hanna Ranch Supernatant is owned by COLORADO SPRINGS UTILITIES (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanna Ranch Supernatant built?
Hanna Ranch Supernatant was completed in 1996, making it 30 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 Hanna Ranch Supernatant?
Hanna Ranch Supernatant serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hanna Ranch Supernatant?
Hanna Ranch Supernatant has a dam height of 35 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 Hanna Ranch Supernatant last inspected?
Hanna Ranch Supernatant was last inspected on May 24, 1996. Inspection dates indicate when a formal review occurred, not the results of that inspection.