Island Lake
Key Takeaway
Island Lake is classified as significant hazard in Colorado. It was completed in 1954 and is 72 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 29.2% in CO) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Surface Area | 161 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 600 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | CO00577 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SURFACE CREEK DITCH & RESERVOIR CO. (WAIBEL, KEITH
Private
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High Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Island Lake?
Island Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Island Lake?
Island Lake is owned by SURFACE CREEK DITCH & RESERVOIR CO. (WAIBEL, KEITH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Island Lake built?
Island Lake was completed in 1954, making it 72 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 Island Lake?
Island Lake serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Island Lake?
Island Lake has a dam height of 18 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 Island Lake last inspected?
Island Lake was last inspected on June 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.