Lake Jacomo Dam
Key Takeaway
Lake Jacomo Dam is classified as high hazard in Missouri. It was completed in 1956 and is 70 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 | 74 ft (taller than 98.8% in MO) |
| Dam Length | 1,550 ft |
| Dam Type | Earth |
| Max Storage | 38.6K acre-ft |
| Normal Storage | 25.7K acre-ft |
| Surface Area | 1,221 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 43,600 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | MO10045 |
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
JACKSON COUNTY
Local Government
Nearby Dams
Lake Tapawingo Dam
Jackson, MO
High Hazard 55 ftBlue Springs Dam
Jackson, MO
High Hazard 70 ftChristiansen Lake Dam
Jackson, MO
High Hazard 19 ftBlue Springs Quad No.1 Dam
Jackson, MO
Low Hazard 30 ftMononame 79/(Removed)
Jackson, MO
Low Hazard 15 ftCommandeer Fishing Lake Dam
Jackson, MO
High Hazard 26 ftCarp Lake Dam
Jackson, MO
Low Hazard 45 ftCommandeer Lake Dam
Jackson, MO
Low Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Lake Jacomo Dam?
Lake Jacomo 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 Lake Jacomo Dam?
Lake Jacomo Dam is owned by JACKSON COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Jacomo Dam built?
Lake Jacomo Dam was completed in 1956, making it 70 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 Lake Jacomo Dam?
Lake Jacomo 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 Lake Jacomo Dam?
Lake Jacomo Dam has a dam height of 74 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 Jacomo Dam last inspected?
Lake Jacomo Dam was last inspected on October 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.