A-20
Key Takeaway
A-20 is classified as low hazard in Colorado. It was completed in 1927 and is 99 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 16 ft (taller than 23.3% in CO) |
| Dam Length | 1,431 ft |
| Dam Type | Earth |
| Max Storage | 104 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 757 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | CO02293 |
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
TODD CREEK VILLAGE METRO DISTRICT
Private
Nearby Dams
German #8 and 9
Weld, CO
Low Hazard 7 ftSignal #1
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Significant Hazard 22 ftGerman #12
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Low Hazard 11 ftSignal #2
Adams, CO
Low Hazard 8 ftSmith Irrigation
Adams, CO
High Hazard 22 ftTodd
Adams, CO
Low Hazard 14 ftGerman #2
Adams, CO
Low Hazard 10 ftRichards
Adams, CO
Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of A-20?
A-20 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 A-20?
A-20 is owned by TODD CREEK VILLAGE METRO DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was A-20 built?
A-20 was completed in 1927, making it 99 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 A-20?
A-20 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is A-20?
A-20 has a dam height of 16 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 A-20 last inspected?
A-20 was last inspected on September 25, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.