Brotherton Lake Dam

Brotherton Lake Dam is an earth dam located in Clark County, Missouri, built in 1977. It carries a Low hazard potential classification.

About Brotherton Lake Dam

The primary purpose of Brotherton Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lewis Brotherton (private). It impounds the Tr-wyaconda River near Lagrange.

The dam stands 25 feet tall, creates a reservoir covering 4 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1977, the structure is 49 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyClark
Nearest CityLagrange
River/StreamTr-wyaconda River
Coordinates40.37598, -91.79158

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage54 acre-ft
Max Storage54 acre-ft
Normal Storage33 acre-ft
Surface Area4 acres
Drainage Area25 sq mi

Ownership & Safety

PurposeRecreation
OwnerLEWIS BROTHERTON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO11518
Federal IDMO11518
More InfoState Dam Safety Program

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