Koepke Lake Dam South

Koepke Lake Dam South is an earth dam located in Warren County, Missouri, built in 1967. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Koepke Lake Dam South

The primary purpose of Koepke Lake Dam South is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is private-owned. It impounds the Tr-charrete Cr near Marthasville.

The dam stands 40 feet tall and stretches 650 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.

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. The most recent inspection on record was 06/05/2018.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMissouri
CountyWarren
Nearest CityMarthasville
River/StreamTr-charrete Cr
Coordinates38.72428, -91.06759

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length650 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage70 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/05/2018
Emergency Action PlanNo

Identifiers

NID IDMO31724
Federal IDMO31724
More InfoState Dam Safety Program

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