Chad Leffler Dam

Chad Leffler Dam is an earth dam located in Monroe County, Iowa, built in 2016. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Chad Leffler Dam

The primary purpose of Chad Leffler Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Chad Leffler (private).

The dam stands 29 feet tall and stretches 464 feet across, has a maximum storage capacity of 248 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2016, the structure is relatively new.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/12/2024.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyMonroe
Nearest CityEldon
Coordinates40.91980, -92.64040

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length464 ft
Year Completed2016 (10 years old)

Storage & Hydraulics

NID Storage248 acre-ft
Max Storage248 acre-ft
Normal Storage35 acre-ft
Drainage Area1 sq mi
Max Discharge225 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerChad Leffler
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/12/2024
Emergency Action PlanNot Required

Identifiers

NID IDIA04265
Federal IDIA04265
More InfoState Dam Safety Program

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