Canisteo Pit

Canisteo Pit is an earth dam located in Itasca County, Minnesota. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection08/17/2016
Height75 ft

Dam profile

NID height · 75 ft
75 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

75 ft tall, taller than 97% 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 Canisteo Pit

The primary purpose of Canisteo Pit 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 private-owned. It impounds the Trout Creek-tr near Canisteo.

The dam stands 75 feet tall, creates a reservoir covering 1,500 acres, has a maximum storage capacity of 52,500 acre-feet, and collects water from a drainage area of 7 square miles.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/17/2016. That was over 10 years ago.

At 75 feet, this dam is taller than 97% of all dams in the United States.

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Location

StateMinnesota
CountyItasca
Nearest CityCanisteo
River/StreamTrout Creek-tr
Coordinates47.29038, -93.45892

Physical Characteristics

Dam TypeEarth
NID Height75 ft
Dam Height75 ft

Storage & Hydraulics

NID Storage52,500 acre-ft
Max Storage52,500 acre-ft
Normal Storage35,000 acre-ft
Surface Area1,500 acres
Drainage Area7 sq mi

Ownership & Safety

PurposeTailings
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection08/17/2016
Emergency Action PlanNot Required

Identifiers

NID IDMN01489
Federal IDMN01489
More InfoState Dam Safety Program