Mcnerney Lake Dam

Mcnerney Lake Dam is an earth dam located in Polk County, Missouri, built in 1967. It carries a High hazard potential classification.

About Mcnerney Lake Dam

The primary purpose of Mcnerney Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Larry Mcnerney (private). It impounds the Tr-to Pomme De Terre River near Pleasant Hope.

The dam stands 30 feet tall, creates a reservoir covering 12 acres, has a maximum storage capacity of 193 acre-feet, and collects water from a drainage area of 220 square miles. Completed in 1967, 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.

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
CountyPolk
Nearest CityPleasant Hope
River/StreamTr-to Pomme De Terre River
Coordinates37.43611, -93.26222

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage193 acre-ft
Max Storage193 acre-ft
Normal Storage104 acre-ft
Surface Area12 acres
Drainage Area220 sq mi

Ownership & Safety

PurposeRecreation
OwnerLARRY MCNERNEY
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO30115
Federal IDMO30115
More InfoState Dam Safety Program

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