LAKE COHASSET UPPER DAM - NY00042-1299
Dam Name: LAKE COHASSET UPPER DAM
State: NY
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 08/28/2011
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDNY00042-1299
Incident Descriptionovertopped and had minor damage
Hurricane Irene
Hurricane Irene
Named Hydrologic EventIrene
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
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Economic Damages (in $)
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Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeS
Dam Type
Primary Purpose(s)R
EAPY
Dam Height25 ft
Max Storage (ac-ft)373.00
Surface Area (acres)37.00
Year Completed1924
NID NumberNY00042
River NameARDEN BROOK
Latitude41.2761
Longitude-74.1142
Year Modified
Regulatory Agency(ies)NYS DEC
Incident Time
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Incident Report Produced
Information Sources