Charter
Key Takeaway
Charter is classified as low hazard in Minnesota. It was completed in 1967 and is 59 years old. Its primary use is other.
Physical Details
| Dam Height | 8 ft (taller than 16.2% in MN) |
| Dam Length | 170 ft |
| Dam Type | Gravity |
| Max Storage | 750 acre-ft |
| Normal Storage | 250 acre-ft |
| Drainage Area | 113 sq mi |
| Max Discharge | 2,590 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | MN00658 |
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
Hanna Mining Company Age
Private
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Charter?
Charter 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 Charter?
Charter is owned by Hanna Mining Company Age (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Charter built?
Charter was completed in 1967, making it 59 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 Charter?
Charter serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Charter?
Charter has a dam height of 8 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 Charter last inspected?
Charter was last inspected on August 18, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.