East Lake #3
Key Takeaway
East Lake #3 is classified as low hazard in Colorado. It was completed in 1887 and is 139 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 11 ft (taller than 8.7% in CO) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 790 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 7,894 cfs |
| Year Completed | 1887 (139 years old) |
| NID ID | CO02111 |
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
CITY OF THORNTON
Local Government
Nearby Dams
East Lake #2
Adams, CO
Significant Hazard 12 ftTalbott Irrigation
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Low Hazard 17 ftMargaret-Carpenter
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Low Hazard 20 ftGinther #1
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Low Hazard 12 ftPoitz
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Low Hazard 7 ftCunning
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Low Hazard 13 ftWadley #2
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Low Hazard 16 ftWadley #1
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of East Lake #3?
East Lake #3 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 East Lake #3?
East Lake #3 is owned by CITY OF THORNTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Lake #3 built?
East Lake #3 was completed in 1887, making it 139 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 East Lake #3?
East Lake #3 serves the following purposes: Irrigation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Lake #3?
East Lake #3 has a dam height of 11 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 East Lake #3 last inspected?
East Lake #3 was last inspected on September 24, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.