Mitchell/ Lyon Dam

Mitchell/ Lyon Dam is an earth dam located in Guthrie County, Iowa, built in 1974. It carries a Low hazard potential classification.

About Mitchell/ Lyon Dam

The primary purpose of Mitchell/ Lyon Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lee Mitchell & Lyon Bros (private). It impounds the Tr-raccoon River near Redfield.

The dam stands 36 feet tall and stretches 205 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, the structure is well into its service life at over 50 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 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyGuthrie
Nearest CityRedfield
River/StreamTr-raccoon River
Coordinates41.63740, -94.30180

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length205 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage53 acre-ft
Max Storage53 acre-ft
Normal Storage26 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerLee Mitchell & Lyon Bros
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA01838
Federal IDIA01838
More InfoState Dam Safety Program

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