Iron River Light and Power Co

Iron River Light and Power Co is an earth dam located in Bayfield County, Wisconsin, built in 1870. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

Hazard potentialSignificantFailure could cause major damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planOn file
Last inspection08/23/2018
Height29 ft
Built1870156 years ago

Dam profile

NID height · 29 ft
29 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

29 ft tall and 400 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Iron River Light and Power Co

The primary purpose of Iron River Light and Power Co is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Iron River (local government). It impounds the Iron near Iron River.

The dam stands 29 feet tall and stretches 400 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 1,891 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/23/2018.

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Location

StateWisconsin
CountyBayfield
Nearest CityIron River
River/StreamIron
Coordinates46.56632, -91.42403

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length400 ft
Year Completed1870 (156 years old)

Storage & Hydraulics

NID Storage1,891 acre-ft
Max Storage1,891 acre-ft
Normal Storage850 acre-ft
Surface Area76 acres
Drainage Area8 sq mi
Max Discharge1,215 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerTown of Iron River
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/23/2018
Emergency Action PlanYes

Identifiers

NID IDWI00033
Federal IDWI00033
More InfoState Dam Safety Program