Incident ID |
NH01058-3444 |
Dam Name |
Ledoux Dam |
Downstream Hazard Potential |
L |
State |
NH |
Incident Date |
11/05/2021 |
Incident Type |
Non-failure |
Incident Driver |
Seepage/internal Erosion |
Incident Mechanism 1 |
Excessive/increased Seepage |
Incident Mechanism 2 |
Animal Activity |
Incident Mechanism 3 |
Vegetation |
Incident Description |
Owner noted concentraed leakage midslope. |
Named Hydrologic Event |
|
EAP Enacted (Y/N) due to Incident |
|
Fatalities (Number) |
0 |
Number of People Evacuated |
0 |
Number of Habitable Structures Evacuated |
0 |
Number of Habitable Structures Flooded |
0 |
Other Infrastructure Impacts |
None |
Economic Damages (in $) |
Unknown |
Volume released at failure (ac-ft) |
|
Response |
Pond was pumped down until embankment could be repaired. |
Additional Remarks or Updates |
|
Incident Time |
|
Incident Duration |
26 days |
Incident Report Produced |
Yes |
Information Sources |
NHDES |
Owner Type |
P |
Dam Type |
RE |
Primary Purpose(s) |
R |
EAP |
NR |
Year Completed |
1936 |
Year Modified |
0 |
Dam Height |
11 ft |
Max Storage (ac-ft) |
9 ac-ft |
Surface Area (acres) |
1 acres |
River Name |
Unnamed |
Latitude |
43.0177 |
Longitude |
-71.4263 |
Regulatory Agency(ies) |
NHDES |
NID Number |
NH01058 |
Attachments |
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