Mcnair Lake Dam

Mcnair Lake Dam is an earth dam located in St. Charles County, Missouri. It carries a Low hazard potential classification.

About Mcnair Lake Dam

The primary purpose of Mcnair Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wm Mcnair (private). It impounds the Tr Peruque Creek near Peruque.

The dam stands 25 feet tall, creates a reservoir covering 14 acres, has a maximum storage capacity of 187 acre-feet, and collects water from a drainage area of 940 square miles.

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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountySt. Charles
Nearest CityPeruque
River/StreamTr Peruque Creek
Coordinates38.78778, -90.83382

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft

Storage & Hydraulics

NID Storage187 acre-ft
Max Storage187 acre-ft
Normal Storage108 acre-ft
Surface Area14 acres
Drainage Area940 sq mi

Ownership & Safety

PurposeRecreation
OwnerWM MCNAIR
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO10801
Federal IDMO10801
More InfoState Dam Safety Program

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