Macon River Dam

Macon River Dam is an other dam located in Monroe County, Michigan, built in 1958. It carries a Low hazard potential classification and has a fair condition assessment.

About Macon River Dam

The primary purpose of Macon River Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Holcim, Inc. (private). It impounds the North Branch Macon Creek near Monroe.

The dam stands 15 feet tall and stretches 40 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 45 square miles. Completed in 1958, the structure is well into its service life at over 50 years 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/01/2017.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyMonroe
Nearest CityMonroe
River/StreamNorth Branch Macon Creek
Coordinates41.99167, -83.64833

Physical Characteristics

Dam TypeOther
NID Height15 ft
Dam Height15 ft
Dam Length40 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage130 acre-ft
Max Storage130 acre-ft
Normal Storage120 acre-ft
Surface Area16 acres
Drainage Area45 sq mi
Max Discharge3,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerHolcim, Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection12/01/2017
Emergency Action PlanNot Required

Identifiers

NID IDMI00763
Federal IDMI00763
More InfoState Dam Safety Program

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