|
Incident ID |
AK00044-3459 |
|
Dam Name |
LONG LAKE DAM |
|
Downstream Hazard Potential |
L |
|
State |
AK |
|
Incident Date |
09/27/2021 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Malfunction Of Equipment/gate |
|
Incident Mechanism 1 |
Gate/valve Failure |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
A log damaged flashboards causing an overtopping event |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
Unknown |
|
Volume released at failure (ac-ft) |
|
|
Response |
Dam owner repaired the flashboards |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
Yes |
|
Information Sources |
AKDNR |
|
Owner Type |
U |
|
Dam Type |
CNPG |
|
Primary Purpose(s) |
H |
|
EAP |
NR |
|
Year Completed |
1973 |
|
Year Modified |
0 |
|
Dam Height |
30 ft |
|
Max Storage (ac-ft) |
147000 ac-ft |
|
Surface Area (acres) |
1375 acres |
|
River Name |
LONG RIVER |
|
Latitude |
58.1667 |
|
Longitude |
-133.733 |
|
Regulatory Agency(ies) |
AKDNR |
|
NID Number |
AK00044 |
|
Attachments |
|
