LAKE HOPE DAM - OH00072-3536


Incident ID OH00072-3536
Dam Name LAKE HOPE DAM
Downstream Hazard Potential S
State OH
Incident Date 01/03/2023
Incident Type Non-failure
Incident Driver Manmade Action
Incident Mechanism 1 High Reservoir Level
Incident Mechanism 2
Incident Mechanism 3
Incident Description Had elevated pool during construction. Main spillway was cofferdamed off and there were 4 large siphons running. As part of the construction they had lowered the pool by at least 5 feet and lowered the top of dam as well to accomodated some of the construction. The cofferdam was breached to prevent the dam from overtopping.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number)
Number of People Evacuated 0
Number of Habitable Structures Evacuated 1
Number of Habitable Structures Flooded 1
Other Infrastructure Impacts Other
Economic Damages (in $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates The contractor's job trailer and laydown area below the dam was flooded out.
Incident Time
Incident Duration 3 days
Incident Report Produced Yes
Information Sources OH Dam Safety
Owner Type S
Dam Type RE
Primary Purpose(s) R
EAP Y
Year Completed 1939
Year Modified 0
Dam Height 33 ft
Max Storage (ac-ft) 2461 ac-ft
Surface Area (acres) 130 acres
River Name SANDY RUN
Latitude 39.32
Longitude -82.3564
Regulatory Agency(ies) DEPARTMENT OF NATURAL RESOURCES
NID Number OH00072
Attachments