Atkinson Lake Dam

Atkinson Lake Dam is an earth dam located in Callaway County, Missouri, built in 1976. It carries a Significant hazard potential classification.

About Atkinson Lake Dam

The primary purpose of Atkinson Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fred Atkinson (private). It impounds the Tr-richland Creek near Chamois.

The dam stands 15 feet tall and stretches 600 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 224 square miles. Completed in 1976, the structure is 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.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyCallaway
Nearest CityChamois
River/StreamTr-richland Creek
Coordinates38.93825, -91.99806

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length600 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage60 acre-ft
Max Storage60 acre-ft
Normal Storage48 acre-ft
Surface Area5 acres
Drainage Area224 sq mi
Max Discharge114 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerFRED ATKINSON
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO11193
Federal IDMO11193
More InfoState Dam Safety Program

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