Non Potable Reservoir Dam 4
Key Takeaway
Non Potable Reservoir Dam 4 is classified as low hazard in Colorado. It was completed in 1958 and is 68 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 80 ft (taller than 93.8% in CO) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 450 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | CO02442 |
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
USAF ACADEMY
Federal Government
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Non Potable Reservoir Dam 4?
Non Potable Reservoir Dam 4 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 Non Potable Reservoir Dam 4?
Non Potable Reservoir Dam 4 is owned by USAF ACADEMY (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Non Potable Reservoir Dam 4 built?
Non Potable Reservoir Dam 4 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 Non Potable Reservoir Dam 4?
Non Potable Reservoir Dam 4 serves the following purposes: Flood Risk Reduction, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Non Potable Reservoir Dam 4?
Non Potable Reservoir Dam 4 has a dam height of 80 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 Non Potable Reservoir Dam 4 last inspected?
Non Potable Reservoir Dam 4 was last inspected on November 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.