Gruhala Lake Dam
Key Takeaway
Gruhala Lake Dam is classified as high hazard in Missouri. It was completed in 1994 and is 32 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 | 23 ft (taller than 18% in MO) |
| Dam Length | 485 ft |
| Dam Type | Earth |
| Max Storage | 24 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 16 sq mi |
| Year Completed | 1994 (32 years old) |
| NID ID | MO32032 |
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
GREGORY & RONDA GRUHALA
Private
Nearby Dams
Shannon Dam
St. Francois, MO
Low Hazard 27 ftMononame 826
St. Francois, MO
Low Hazard 15 ftMononame 662
St. Francois, MO
Low Hazard 15 ftMoynihan Lake Dam
St. Francois, MO
High Hazard 30 ftSylvan Lake Dam
St. Francois, MO
High Hazard 30 ftNims Lake Dam
Madison, MO
High Hazard 57 ftSte Genevieve Sportsman Club Lake Dam
Ste. Genevieve, MO
Low Hazard 23 ftBetty Francis
Madison, MO
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Gruhala Lake Dam?
Gruhala 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 Gruhala Lake Dam?
Gruhala Lake Dam is owned by GREGORY & RONDA GRUHALA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gruhala Lake Dam built?
Gruhala Lake Dam was completed in 1994, making it 32 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 Gruhala Lake Dam?
Gruhala 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 Gruhala Lake Dam?
Gruhala Lake Dam has a dam height of 23 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.