CUMMINS POND DAM - NH00462-1145

Dam Name: CUMMINS POND DAM
State: NH
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 08/28/2011
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDNH00462-1145
Incident DescriptionLocal first responders assisted the dam owner with sandbagging the dam's crest to avoid overtopping. Owner also excavated a 20" wide channel away from dam to allow for additional outflow.
Freeboard at the dam reduced to 1" during the height of the storm
Named Hydrologic EventIrene
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)none
Response
Volume released at failure (ac-ft)0
Additional Remarks or Updates
Owner TypeP
Dam TypeER
Primary Purpose(s)R
EAPNR
Dam Height13 ft
Max Storage (ac-ft)1090.00
Surface Area (acres)136.00
Year Completed1880
NID NumberNH00462
River NameMASCOMA RIVER
Latitude43.7777
Longitude-72.0155
Year Modified

2008

Regulatory Agency(ies)NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU
Incident Time12:00 AM
Incident Duration
Incident Report Produced
Information Sources
AttachmentsY