Leach Creek Detention Basin
Key Takeaway
Leach Creek Detention Basin is classified as high hazard in Colorado. It was completed in 2015 and is 11 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 61.6% in CO) |
| Dam Length | 1,438 ft |
| Dam Type | Earth |
| Max Storage | 667 acre-ft |
| Normal Storage | 248 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 25,000 cfs |
| Year Completed | 2015 (11 years old) |
| NID ID | CO02991 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF GRAND JUNCTION
Public Utility
Nearby Dams
Indian Wash Det.
Mesa, CO
High Hazard 65 ftHartman Retention
Mesa, CO
Low Hazard 19 ftGardner Lake
Mesa, CO
Significant Hazard 24 ftBosley Wash Detention Basin
Mesa, CO
High Hazard 19 ftRedlands
Mesa, CO
Low Hazard 13 ftMole-Richardson #3
Mesa, CO
Low Hazard 30 ftMole-Richardson #2
Mesa, CO
Low Hazard 37 ftSoap Retenton Dam
Mesa, CO
Low HazardFrequently Asked Questions
What is the hazard classification of Leach Creek Detention Basin?
Leach Creek Detention Basin is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Leach Creek Detention Basin?
Leach Creek Detention Basin is owned by CITY OF GRAND JUNCTION (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Leach Creek Detention Basin built?
Leach Creek Detention Basin was completed in 2015, making it 11 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 Leach Creek Detention Basin?
Leach Creek Detention Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Leach Creek Detention Basin?
Leach Creek Detention Basin has a dam height of 28 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 Leach Creek Detention Basin last inspected?
Leach Creek Detention Basin was last inspected on April 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.