Upjohn Dam

Upjohn Dam is an earth dam located in Kalamazoo County, Michigan, built in 1845. It carries a Low hazard potential classification.

About Upjohn Dam

The primary purpose of Upjohn Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Upjohn Company (private). It impounds the Castle Creek near Galesburg.

The dam stands 9 feet tall and stretches 100 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1845, the structure is one of the older dams in the region, with over a century and a half of service.

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 01/01/1901. That was over 125 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyKalamazoo
Nearest CityGalesburg
River/StreamCastle Creek
Coordinates42.27500, -85.42000

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length100 ft
Year Completed1845 (181 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage70 acre-ft
Surface Area2 acres
Max Discharge190 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerUpjohn Company
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection01/01/1901
Emergency Action PlanNot Required

Identifiers

NID IDMI00564
Federal IDMI00564
More InfoState Dam Safety Program

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