Dayton Lake Dam

Dayton Lake Dam is an earth dam located in Berrien County, Michigan, built in 1833. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Dayton Lake Dam

The primary purpose of Dayton Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Berrien County Drain Commissioner (private). It impounds the Galien River near Dayton.

The dam stands 18 feet tall and stretches 200 feet across, creates a reservoir covering 128 acres, has a maximum storage capacity of 1,170 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1833, the structure is one of the older dams in the region, with over a century and a half of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/23/2020.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyBerrien
Nearest CityDayton
River/StreamGalien River
Coordinates41.79646, -86.44208

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length200 ft
Year Completed1833 (193 years old)

Storage & Hydraulics

NID Storage1,170 acre-ft
Max Storage1,170 acre-ft
Normal Storage1,020 acre-ft
Surface Area128 acres
Drainage Area1 sq mi
Max Discharge40 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerBerrien County Drain Commissioner
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection09/23/2020
Emergency Action PlanYes

Identifiers

NID IDMI00018
Federal IDMI00018
More InfoState Dam Safety Program

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