Crystal Lake Dam
Key Takeaway
Crystal Lake Dam is classified as high hazard in Missouri. It was completed in 1965 and is 61 years old. Its primary use is recreation. 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 | 45 ft (taller than 92.6% in MO) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 350 cfs |
| Year Completed | 1965 (61 years old) |
| Year Modified | 1986 |
| NID ID | MO30462 |
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
LAKEWOOD HILLS HOMEOWNER
Private
Nearby Dams
Gem Lake Dam
Jefferson, MO
Low Hazard 38 ftZeman Lake Dam
Jefferson, MO
High Hazard 34 ftGlenwilfern Lake Dam
Jefferson, MO
High Hazard 38 ftLake Tekakwitha Dam
Jefferson, MO
High Hazard 32 ftRustic Hills Lake Dam
Jefferson, MO
High Hazard 37 ftFirst Central Services Lake Dam
Jefferson, MO
High Hazard 32 ftDuncan Lake Dam
Jefferson, MO
High Hazard 30 ftFun Valley Dam
Jefferson, MO
Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Crystal Lake Dam?
Crystal Lake Dam 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 Crystal Lake Dam?
Crystal Lake Dam is owned by LAKEWOOD HILLS HOMEOWNER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crystal Lake Dam built?
Crystal Lake Dam was completed in 1965, making it 61 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 Crystal Lake Dam?
Crystal Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Crystal Lake Dam?
Crystal Lake Dam has a dam height of 45 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 Crystal Lake Dam last inspected?
Crystal Lake Dam was last inspected on February 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.