Hamilton Marsh Dam

Hamilton Marsh Dam is an earth dam located in Delta County, Michigan, built in 1966. It carries a Low hazard potential classification.

About Hamilton Marsh Dam

The primary purpose of Hamilton Marsh Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usda Fs (federal). It impounds the Mcdonald Creek.

The dam stands 9 feet tall and stretches 200 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 108 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1966, 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. The most recent inspection on record was 11/18/2020.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyDelta
Nearest CityNone
River/StreamMcdonald Creek
Coordinates46.04377, -86.82399

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height7 ft
Dam Length200 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage108 acre-ft
Max Storage108 acre-ft
Normal Storage61 acre-ft
Surface Area36 acres
Drainage Area2 sq mi
Max Discharge43 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/18/2020
Emergency Action PlanNot Required

Identifiers

NID IDMI01234
Federal IDMI01234
More InfoState Dam Safety Program

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