Johnson Heights Dam

Johnson Heights Dam is an earth dam located in Wabash County, Indiana, built in 1965. It carries a Low hazard potential classification and has a poor condition assessment.

About Johnson Heights Dam

The primary purpose of Johnson Heights Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William Johnson (private). It impounds the Unnamed Tributary Mississinewa River.

The dam stands 25 feet tall and stretches 420 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 119 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/17/2017.

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Low HazardPoor ConditionEmergency Action Plan: No

Location

StateIndiana
CountyWabash
River/StreamUnnamed Tributary Mississinewa River
Coordinates40.69496, -85.90174

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length420 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage119 acre-ft
Max Storage119 acre-ft
Normal Storage31 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge14 cfs
Spillway TypeNone

Ownership & Safety

PurposeRecreation
OwnerWILLIAM JOHNSON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection10/17/2017
Emergency Action PlanNo

Identifiers

NID IDIN00768
Federal IDIN00768
More InfoState Dam Safety Program

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