Ellgen
Key Takeaway
Ellgen is classified as low hazard in Colorado. It was completed in 1949 and is 77 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 41 ft (taller than 82.7% in CO) |
| Dam Length | 345 ft |
| Dam Type | Earth |
| Max Storage | 171 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 517 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | CO01717 |
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
ELLGEN, LORENCE & GARY
Private
Nearby Dams
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Ellgen?
Ellgen 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 Ellgen?
Ellgen is owned by ELLGEN, LORENCE & GARY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ellgen built?
Ellgen was completed in 1949, making it 77 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 Ellgen?
Ellgen 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 Ellgen?
Ellgen has a dam height of 41 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 Ellgen last inspected?
Ellgen was last inspected on August 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.