Boulder Lake Dike Cc

Boulder Lake Dike Cc is an earth dam located in St. Louis County, Minnesota, built in 1919. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Boulder Lake Dike Cc

The primary purpose of Boulder Lake Dike Cc is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Allete, Inc. (private). It impounds the Otter Creek.

The dam stands 20 feet tall, creates a reservoir covering 4,100 acres, and has a maximum storage capacity of 30,300 acre-feet. Completed in 1919, the structure is over a century old.

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 09/30/2018.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountySt. Louis
River/StreamOtter Creek
Coordinates47.04150, -92.18670

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Year Completed1919 (107 years old)

Storage & Hydraulics

NID Storage30,300 acre-ft
Max Storage30,300 acre-ft
Normal Storage29,440 acre-ft
Surface Area4,100 acres

Ownership & Safety

PurposeHydroelectric
OwnerAllete, Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/30/2018
Emergency Action PlanNot Required

Identifiers

NID IDMN00611
Federal IDMN00611S002
More InfoState Dam Safety Program

Nearby Dams