Gabbro Lake 2
Key Takeaway
Gabbro Lake 2 is classified as low hazard in Minnesota. It was completed in 1924 and is 102 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 8.5% in MN) |
| Dam Length | 305 ft |
| Dam Type | Rockfill |
| Max Storage | 10.3K acre-ft |
| Normal Storage | 10.3K acre-ft |
| Surface Area | 154 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,500 cfs |
| Year Completed | 1924 (102 years old) |
| NID ID | MN00647 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USDA FS
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Gabbro Lake 2?
Gabbro Lake 2 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Gabbro Lake 2?
Gabbro Lake 2 is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gabbro Lake 2 built?
Gabbro Lake 2 was completed in 1924, making it 102 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 Gabbro Lake 2?
Gabbro Lake 2 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 Gabbro Lake 2?
Gabbro Lake 2 has a dam height of 7 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 Gabbro Lake 2 last inspected?
Gabbro Lake 2 was last inspected on January 1, 1974. Inspection dates indicate when a formal review occurred, not the results of that inspection.