Lehr Dam

Lehr Dam is an earth dam located in Lucas County, Iowa, built in 2006. It carries a Low hazard potential classification.

About Lehr Dam

The primary purpose of Lehr Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Dr Jerry Lehr (private). It impounds the Trib To Brush Creek near Lucas.

The dam stands 33 feet tall and stretches 399 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 39 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2006, the structure is relatively new.

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 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyLucas
Nearest CityLucas
River/StreamTrib To Brush Creek
Coordinates41.03840, -93.54880

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length399 ft
Year Completed2006 (20 years old)

Storage & Hydraulics

NID Storage39 acre-ft
Max Storage39 acre-ft
Normal Storage25 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge149 cfs

Ownership & Safety

PurposeGrade Stabilization
OwnerDr Jerry Lehr
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA04078
Federal IDIA04078
More InfoState Dam Safety Program

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