Howell Dam
Key Takeaway
Howell Dam is classified as high hazard in Missouri. It was completed in 1978 and is 48 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 | 40 ft (taller than 89.7% in MO) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 151 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1978 (48 years old) |
| NID ID | MO40142 |
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
Private
Nearby Dams
Koenig Dam
St. Charles, MO
High Hazard 32 ftWarvid Lake Dam
St. Charles, MO
High Hazard 69 ftLakeview Acres Dam
St. Charles, MO
Low Hazard 32 ftHughes Lake Dam
St. Charles, MO
High Hazard 30 ftWolfner Dam
St. Charles, MO
Low Hazard 25 ftColeman Dam
St. Charles, MO
Significant Hazard 51 ftSycamore Valley Lake Dam
St. Charles, MO
High Hazard 67 ftGreen Gate Farms Dam
St. Charles, MO
High Hazard 46 ftFrequently Asked Questions
What is the hazard classification of Howell Dam?
Howell 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 Howell Dam?
Howell Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Howell Dam built?
Howell Dam was completed in 1978, making it 48 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 Howell Dam?
Howell 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 Howell Dam?
Howell 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 Howell Dam last inspected?
Howell Dam was last inspected on March 31, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.