Sherman Group Tailings
Key Takeaway
Sherman Group Tailings is classified as low hazard in Minnesota. It was completed in 1970 and is 56 years old. Its primary use is tailings.
Physical Details
| Dam Height | 48 ft (taller than 95.9% in MN) |
| Dam Length | 2,200 ft |
| Dam Type | Earth |
| Max Storage | 720 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 168 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | MN00796 |
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
RGGS Land & Minerals LTD.
Private
Nearby Dams
Sherman Mine Wastewater
St. Louis, MN
Low Hazard 20 ftDouglas Tailings
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Significant Hazard 40 ftWabigone Tailings
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Low Hazard 10 ftBuhl Detention
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Low Hazard 11 ftWhitney Tailings
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Unknown 37 ftWest Two River
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Significant Hazard 40 ftHibbing Taconite Starter No. 4
St. Louis, MN
Unknown 100 ftHibbing Taconite Reclaim Pond
St. Louis, MN
High Hazard 100 ftFrequently Asked Questions
What is the hazard classification of Sherman Group Tailings?
Sherman Group Tailings 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 Sherman Group Tailings?
Sherman Group Tailings is owned by RGGS Land & Minerals LTD. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sherman Group Tailings built?
Sherman Group Tailings was completed in 1970, making it 56 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 Sherman Group Tailings?
Sherman Group Tailings serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sherman Group Tailings?
Sherman Group Tailings has a dam height of 48 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 Sherman Group Tailings last inspected?
Sherman Group Tailings was last inspected on July 19, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.