Shamrock Lake Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyClare
Nearest CityClare
River/StreamTobacco River
Coordinates43.83041, -84.75294

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length890 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage882 acre-ft
Max Storage882 acre-ft
Normal Storage516 acre-ft
Surface Area120 acres
Drainage Area85 sq mi
Max Discharge2,700 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Clare
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection09/18/2020
Emergency Action PlanYes

Identifiers

NID IDMI00622
Federal IDMI00622
More InfoState Dam Safety Program

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