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.
Dam profile
NID height · 100 ft100 ft tall and 4,762 ft long, taller than 98% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
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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Location
| State | Minnesota |
| County | St. Louis |
| Nearest City | Chisholm |
| River/Stream | Day Brook |
| Coordinates | 47.52029, -92.99001 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 100 ft |
| Dam Height | 100 ft |
| Dam Length | 4,762 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 30,000 acre-ft |
| Max Storage | 30,000 acre-ft |
| Normal Storage | 5,000 acre-ft |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Tailings |
| Owner | Hibbing Taconite Company |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00667 |
| Federal ID | MN00667 |
| More Info | State Dam Safety Program |