Wilcox Dam

Wilcox Dam is an earth dam located in Clay County, Missouri, built in 1989. It carries a Low hazard potential classification.

About Wilcox Dam

The primary purpose of Wilcox Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Robert R. Wilcox (private). It impounds the Tr-owl Creek near Smithville.

The dam stands 34 feet tall and stretches 410 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 180 square miles. Completed in 1989, the structure is 37 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
CountyClay
Nearest CitySmithville
River/StreamTr-owl Creek
Coordinates39.44313, -94.45260

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length410 ft
Year Completed1989 (37 years old)

Storage & Hydraulics

NID Storage21 acre-ft
Max Storage21 acre-ft
Normal Storage11 acre-ft
Surface Area11 acres
Drainage Area180 sq mi
Max Discharge155 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerROBERT R. WILCOX
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO50070
Federal IDMO50070
More InfoState Dam Safety Program

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