Upper Wabash Structure No. 2

Upper Wabash Structure No. 2 is an earth dam located in Mercer County, Ohio, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.

About Upper Wabash Structure No. 2

The primary purpose of Upper Wabash Structure No. 2 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 Wabash River Conservancy District (local government). It impounds the Tributary To Wabash River near Fort Recovery.

The dam stands 17 feet tall and stretches 916 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 197 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/07/2024.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateOhio
CountyMercer
Nearest CityFort Recovery
River/StreamTributary To Wabash River
Coordinates40.36389, -84.68278

Physical Characteristics

Dam TypeEarth
NID Height17 ft
Dam Height17 ft
Dam Length916 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage197 acre-ft
Max Storage197 acre-ft
Normal Storage13 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge1,147 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerWabash River Conservancy District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection11/07/2024
Emergency Action PlanYes

Identifiers

NID IDOH00710
Federal IDOH00710
More InfoState Dam Safety Program

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