Westhoff Lake Dam
Key Takeaway
Westhoff Lake Dam is classified as significant hazard in Missouri. It was completed in 1974 and is 52 years old. Its primary use is grade stabilization. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 6.3% in MO) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 73 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 250 sq mi |
| Max Discharge | 167 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | MO11140 |
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
LEONARD WESTHOFF,JR.
Private
Nearby Dams
Sandy Creek
Lincoln, MO
High Hazard 41 ftWendt Lake Dam
Lincoln, MO
Low Hazard 30 ftMississippi River Lock and Dam 25
Lincoln, MO
Significant Hazard 25 ftPalmer Farms Lake Dam
Lincoln, MO
High Hazard 25 ftBirkhead Lake Dam
Lincoln, MO
Low Hazard 30 ftRoss-Mulvehill Lake Dam
Lincoln, MO
Low Hazard 25 ftHillside Gardens Lake Dam
Lincoln, MO
High Hazard 30 ftMuich Lake Dam
St. Charles, MO
Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Westhoff Lake Dam?
Westhoff Lake 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 Westhoff Lake Dam?
Westhoff Lake Dam is owned by LEONARD WESTHOFF,JR. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Westhoff Lake Dam built?
Westhoff Lake Dam was completed in 1974, making it 52 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 Westhoff Lake Dam?
Westhoff Lake Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Westhoff Lake Dam?
Westhoff Lake Dam has a dam height of 19 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 Westhoff Lake Dam last inspected?
Westhoff Lake Dam was last inspected on April 21, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.