Eastdale #1
Key Takeaway
Eastdale #1 is classified as low hazard in Colorado. It was completed in 1909 and is 117 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 31 ft (taller than 68.6% in CO) |
| Dam Length | 2,175 ft |
| Dam Type | Earth |
| Max Storage | 5.8K acre-ft |
| Normal Storage | 3.5K acre-ft |
| Surface Area | 336 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 4,384 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | CO01900 |
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
EASTDALE MUTUAL DITCH & RESERVOIR (DEAN SWIFT)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Eastdale #1?
Eastdale #1 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 Eastdale #1?
Eastdale #1 is owned by EASTDALE MUTUAL DITCH & RESERVOIR (DEAN SWIFT) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Eastdale #1 built?
Eastdale #1 was completed in 1909, making it 117 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 Eastdale #1?
Eastdale #1 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 Eastdale #1?
Eastdale #1 has a dam height of 31 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 Eastdale #1 last inspected?
Eastdale #1 was last inspected on October 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.