Autumn Ridge Detention Dam

Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyMacomb
Nearest CityForest City
River/StreamShanahan Drain
Coordinates42.55667, -83.08167

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length34 ft
Year Completed1982 (44 years old)

Storage & Hydraulics

NID Storage23 acre-ft
Max Storage23 acre-ft
Surface Area1 acres
Max Discharge400 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerMacomb County
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection07/06/1982
Emergency Action PlanNot Required

Identifiers

NID IDMI02425
Federal IDMI02425
More InfoState Dam Safety Program

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