Twin Lakes Reservoir
Key Takeaway
Twin Lakes Reservoir is classified as significant hazard in Colorado. It was completed in 1998 and is 28 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 75.7% in CO) |
| Dam Length | 245 ft |
| Dam Type | Earth |
| Max Storage | 419 acre-ft |
| Normal Storage | 278 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,560 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | CO02022 |
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
CITY OF GREELEY DEPT. OF WATER RESOURCES (GUSTAFSO
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Twin Lakes Reservoir?
Twin Lakes Reservoir 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 Twin Lakes Reservoir?
Twin Lakes Reservoir is owned by CITY OF GREELEY DEPT. OF WATER RESOURCES (GUSTAFSO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes Reservoir built?
Twin Lakes Reservoir was completed in 1998, making it 28 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 Twin Lakes Reservoir?
Twin Lakes Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Lakes Reservoir?
Twin Lakes Reservoir has a dam height of 35 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 Twin Lakes Reservoir last inspected?
Twin Lakes Reservoir was last inspected on July 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.