Briggs Woods Lake Dam
Key Takeaway
Briggs Woods Lake Dam is classified as significant hazard in Iowa. It was completed in 1968 and is 58 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 44 ft (taller than 90.4% in IA) |
| Dam Length | 3,100 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IA00437 |
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
Hamilton County Conservation Board
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Briggs Woods Lake Dam?
Briggs Woods 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 Briggs Woods Lake Dam?
Briggs Woods Lake Dam is owned by Hamilton County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Briggs Woods Lake Dam built?
Briggs Woods Lake Dam was completed in 1968, making it 58 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 Briggs Woods Lake Dam?
Briggs Woods Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Briggs Woods Lake Dam?
Briggs Woods Lake Dam has a dam height of 44 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 Briggs Woods Lake Dam last inspected?
Briggs Woods Lake Dam was last inspected on July 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.