Hibbing Taconite Starter No. 2

Hibbing Taconite Starter No. 2 is an earth dam located in St. Louis County, Minnesota, built in 1975. It carries a Undetermined hazard potential classification.

About Hibbing Taconite Starter No. 2

The primary purpose of Hibbing Taconite Starter No. 2 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Hibbing Taconite Company (private). It impounds the Day Brook near Chisholm.

The dam stands 100 feet tall and stretches 4,762 feet across, has a maximum storage capacity of 30,000 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.

At 100 feet, this dam is taller than 98% of all dams in the United States.

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Undetermined Hazard ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountySt. Louis
Nearest CityChisholm
River/StreamDay Brook
Coordinates47.52029, -92.99001

Physical Characteristics

Dam TypeEarth
NID Height100 ft
Dam Height100 ft
Dam Length4,762 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage30,000 acre-ft
Max Storage30,000 acre-ft
Normal Storage5,000 acre-ft
Drainage Area3 sq mi

Ownership & Safety

PurposeTailings
OwnerHibbing Taconite Company
Owner TypePrivate
Hazard ClassificationUndetermined
Emergency Action PlanNot Required

Identifiers

NID IDMN00667
Federal IDMN00667
More InfoState Dam Safety Program

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