Lake Joy Dam
Key Takeaway
Lake Joy Dam is classified as significant hazard in Missouri. It was completed in 1985 and is 41 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 89.7% in MO) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 936 acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 608 cfs |
| Year Completed | 1985 (41 years old) |
| Year Modified | 1997 |
| NID ID | MO32034 |
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
Private
Nearby Dams
Tiefenthaler Lake Dam
Dent, MO
High Hazard 39 ftEcho Lake Dam #2
Dent, MO
Low Hazard 25 ftClark Lake Dam
Dent, MO
High Hazard 25 ftIndian Trail Fish Hatchery Lake Dam
Dent, MO
High Hazard 30 ftHowes Mill Fish Hatchery
Dent, MO
Low Hazard 30 ftHuzzah 1 (Howes Mill Lake)
Dent, MO
High Hazard 21 ftBishop Dam
Dent, MO
High Hazard 25 ftHuzzah Hatcheries, INC Dam
Dent, MO
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Lake Joy Dam?
Lake Joy Dam 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 Lake Joy Dam?
Lake Joy Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Joy Dam built?
Lake Joy Dam was completed in 1985, making it 41 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Lake Joy Dam?
Lake Joy Dam has a dam height of 40 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 Lake Joy Dam last inspected?
Lake Joy Dam was last inspected on October 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.