Cowan Lake Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateOhio
CountyClinton
Nearest CityCLARKSVILLE
River/StreamCOWAN CREEK
Coordinates39.38806, -83.92444

Physical Characteristics

Dam TypeEarth
NID Height63 ft
Dam Height63 ft
Dam Length860 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage24,974 acre-ft
Max Storage24,974 acre-ft
Normal Storage10,273 acre-ft
Surface Area670 acres
Drainage Area49 sq mi
Max Discharge35,900 cfs

Ownership & Safety

PurposeRecreation
OwnerODNR, Division of Parks & Watercraft
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection06/11/2024
Emergency Action PlanYes

Identifiers

NID IDOH00500
Federal IDOH00500
More InfoState Dam Safety Program

Nearby Dams

Clarksville Upground Reservoir 3.0 mi Significant Ellis Lake Dam 4.7 mi Low Roberts Lake Dam 5.3 mi Significant Clinton County Wwt Lagoon 5.9 mi Significant Wilmington Upground Reservoir No. 1 5.9 mi High Baptist Foundation Lake Dam 6.0 mi Significant Burtonville Lake Dam 6.0 mi Significant Wilmington Upground Reservoir No. 2 6.4 mi High Clinton County Tributary No. 4 Dam 6.6 mi High Houston Upground Reservoir 7.3 mi Significant