Sandy Lock and Dam
Key Takeaway
Sandy Lock and Dam is classified as low hazard in Minnesota. It was completed in 1895 and is 131 years old. Its primary use is other.
Physical Details
| Dam Height | 14 ft (taller than 48.1% in MN) |
| Dam Length | 109 ft |
| Dam Type | Earth |
| Max Storage | 79.4K acre-ft |
| Normal Storage | 38.0K acre-ft |
| Surface Area | 9,400 acres |
| Drainage Area | 421 sq mi |
| Max Discharge | 3,738 cfs |
| Year Completed | 1895 (131 years old) |
| NID ID | MN00583 |
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
USACE - St. Paul District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Sandy Lock and Dam?
Sandy Lock and Dam 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 Sandy Lock and Dam?
Sandy Lock and Dam is owned by USACE - St. Paul District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sandy Lock and Dam built?
Sandy Lock and Dam was completed in 1895, making it 131 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 Sandy Lock and Dam?
Sandy Lock and Dam serves the following purposes: Other, Navigation, Fish And Wildlife Pond, Recreation, Water Supply, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sandy Lock and Dam?
Sandy Lock and Dam has a dam height of 14 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 Sandy Lock and Dam last inspected?
Sandy Lock and Dam was last inspected on June 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.