Anderson Lake Dam

Anderson Lake Dam is an earth dam located in Jefferson County, Missouri, built in 1958. It carries a High hazard potential classification.

About Anderson Lake Dam

The primary purpose of Anderson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hugh Anderson (private). It impounds the Tributary To Butcher Branch. near Morse Mill.

The dam stands 26 feet tall, creates a reservoir covering 5 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 93 square miles. Completed in 1958, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. The most recent inspection on record was 09/07/1978. That was 47 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyJefferson
Nearest CityMorse Mill
River/StreamTributary To Butcher Branch.
Coordinates38.21119, -90.62670

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage70 acre-ft
Max Storage70 acre-ft
Normal Storage57 acre-ft
Surface Area5 acres
Drainage Area93 sq mi

Ownership & Safety

PurposeRecreation
OwnerHUGH ANDERSON
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection09/07/1978
Emergency Action PlanNot Required

Identifiers

NID IDMO30410
Federal IDMO30410
More InfoState Dam Safety Program

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