|
Incident ID |
NY01065-3164 |
|
Dam Name |
LAKE NANCY DAM |
|
Downstream Hazard Potential |
L |
|
State |
NY |
|
Incident Date |
09/06/2017 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Excessive/increased Seepage |
|
Incident Mechanism 2 |
Piping |
|
Incident Mechanism 3 |
|
|
Incident Description |
Increased seepage from earth (possibly formerly timber crib) dam. Whirlpool in reservoir. Reservoir was lowered and seepage was sealed with grouting program |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
Attempt to seal whirlpool were unsuccesful. Lake was drained with pumps and embankment voids were filled with grout |
|
Incident Time |
|
|
Incident Duration |
1 week |
|
Incident Report Produced |
No |
|
Information Sources |
NY DEC |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1977 |
|
Year Modified |
0 |
|
Dam Height |
17 ft |
|
Max Storage (ac-ft) |
1093 ac-ft |
|
Surface Area (acres) |
62 acres |
|
River Name |
LADMAN CREEK |
|
Latitude |
43.1141 |
|
Longitude |
-74.0097 |
|
Regulatory Agency(ies) |
NYS DEC |
|
NID Number |
NY01065 |
|
Attachments |
|
