|
Incident ID |
NH00462-1145 |
|
Dam Name |
CUMMINS POND DAM |
|
Downstream Hazard Potential |
L |
|
State |
NH |
|
Incident Date |
08/28/2011 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Local 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 Event |
Irene |
|
EAP Enacted (Y/N) due to Incident |
Yes |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
None |
|
Economic Damages (in $) |
none |
|
Volume released at failure (ac-ft) |
0 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
12:00 AM |
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
ER |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1880 |
|
Year Modified |
2008 |
|
Dam Height |
13 ft |
|
Max Storage (ac-ft) |
1090 ac-ft |
|
Surface Area (acres) |
136 acres |
|
River Name |
MASCOMA RIVER |
|
Latitude |
43.7777 |
|
Longitude |
-72.0155 |
|
Regulatory Agency(ies) |
NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU |
|
NID Number |
NH00462 |
|
Attachments |
Y |
