Grass Lake Level Control Structure

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyMontmorency
Nearest CityAlpena
River/StreamGrass Creek
Coordinates45.13167, -84.00500

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height16 ft
Dam Length200 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage3,360 acre-ft
Max Storage3,360 acre-ft
Normal Storage1,495 acre-ft
Surface Area382 acres
Max Discharge185 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerGrass Lake Association
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/13/2018
Emergency Action PlanNot Required

Identifiers

NID IDMI00147
Federal IDMI00147
More InfoState Dam Safety Program

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