Redridge Dam

Redridge Dam is a timber crib dam located in Houghton County, Michigan, built in 1902. It carries a Significant hazard potential classification and has a fair condition assessment.

About Redridge Dam

The primary purpose of Redridge Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Stanton Township (local government). It impounds the Salmon Trout River near Redridge.

The dam stands 50 feet tall and stretches 228 feet across, creates a reservoir covering 74 acres, has a maximum storage capacity of 1,480 acre-feet, and collects water from a drainage area of 35 square miles. Completed in 1902, the structure is over a century old.

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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/19/2014. That was over 11 years ago.

At 50 feet, this dam is taller than 93% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyHoughton
Nearest CityRedridge
River/StreamSalmon Trout River
Coordinates47.14851, -88.76421

Physical Characteristics

Dam TypeTimber Crib
NID Height50 ft
Dam Height50 ft
Dam Length228 ft
Year Completed1902 (124 years old)

Storage & Hydraulics

NID Storage1,480 acre-ft
Max Storage1,480 acre-ft
Normal Storage940 acre-ft
Surface Area74 acres
Drainage Area35 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerStanton Township
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection05/19/2014
Emergency Action PlanYes

Identifiers

NID IDMI00091
Federal IDMI00091
More InfoState Dam Safety Program

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