Mantorville
Key Takeaway
Mantorville is classified as low hazard in Minnesota. It was completed in 1888 and is 138 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 41.3% in MN) |
| Dam Length | 565 ft |
| Dam Type | Gravity |
| Max Storage | 436 acre-ft |
| Normal Storage | 238 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 148 sq mi |
| Max Discharge | 2,700 cfs |
| Year Completed | 1888 (138 years old) |
| Year Modified | 2008 |
| NID ID | MN00390 |
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
City of Mantorville
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mantorville?
Mantorville 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 Mantorville?
Mantorville is owned by City of Mantorville (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mantorville built?
Mantorville was completed in 1888, making it 138 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 Mantorville?
Mantorville 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 Mantorville?
Mantorville has a dam height of 12 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 Mantorville last inspected?
Mantorville was last inspected on July 13, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.