Northfield
Key Takeaway
Northfield is classified as significant hazard in Minnesota. It was completed in 1918 and is 108 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 55.8% in MN) |
| Dam Length | 165 ft |
| Dam Type | Concrete |
| Max Storage | 40 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 934 sq mi |
| Max Discharge | 7,300 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | MN00965 |
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
Post Consumer Brands
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Northfield?
Northfield 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 Northfield?
Northfield is owned by Post Consumer Brands (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Northfield built?
Northfield was completed in 1918, making it 108 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 Northfield?
Northfield 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 Northfield?
Northfield has a dam height of 17 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 Northfield last inspected?
Northfield was last inspected on May 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.