Detwilder Lake Dam

Detwilder Lake Dam is an earth dam located in Sullivan County, Missouri, built in 1969. It carries a Low hazard potential classification.

About Detwilder Lake Dam

The primary purpose of Detwilder Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Detwilder (private). It impounds the Tr-locust Creek near Reger.

The dam stands 34 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1969, 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.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountySullivan
Nearest CityReger
River/StreamTr-locust Creek
Coordinates40.21537, -93.16788

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Year Completed1969 (57 years old)

Storage & Hydraulics

NID Storage127 acre-ft
Max Storage127 acre-ft
Normal Storage75 acre-ft
Surface Area7 acres
Drainage Area80 sq mi

Ownership & Safety

PurposeRecreation
OwnerROBERT DETWILDER
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO10406
Federal IDMO10406
More InfoState Dam Safety Program

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