West Lake
Key Takeaway
West Lake is classified as low hazard in Colorado. It was completed in 2020 and is 6 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 10 ft (taller than 4.4% in CO) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 239 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 10,063 cfs |
| Year Completed | 2020 (6 years old) |
| Year Modified | 2020 |
| NID ID | CO03060 |
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
BOULDER COUNTY PARKS AND OPEN SPACE (ALEXANDER, RO
Local Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of West Lake?
West Lake 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 West Lake?
West Lake is owned by BOULDER COUNTY PARKS AND OPEN SPACE (ALEXANDER, RO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was West Lake built?
West Lake was completed in 2020, making it 6 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 West Lake?
West Lake serves the following purposes: Irrigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is West Lake?
West Lake has a dam height of 10 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.