|
Incident ID |
CA10403-3258 |
|
Dam Name |
AUBERRY LUMBER MILL |
|
Downstream Hazard Potential |
H |
|
State |
CA |
|
Incident Date |
04/02/2018 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Insufficient Spillway Capacity |
|
Incident Mechanism 2 |
Overtopping |
|
Incident Mechanism 3 |
|
|
Incident Description |
The dam overtopped due to spillway pipes being clogged with overgrown vegetation. Overtopping eroded the downstream slope, which could have potentially led to failure. There is no low-level outlet at this dam. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
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 $) |
None |
|
Volume released at failure (ac-ft) |
|
|
Response |
Response hindered as this was an illegal dam previously unknown to the Division of Safety of Dams until days after the event. |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
1 day |
|
Incident Report Produced |
Yes |
|
Information Sources |
CA DSOD |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
S |
|
EAP |
N |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
17 ft |
|
Max Storage (ac-ft) |
94 ac-ft |
|
Surface Area (acres) |
8 acres |
|
River Name |
LITTLE SANDY CREEK |
|
Latitude |
37.0676 |
|
Longitude |
-119.49 |
|
Regulatory Agency(ies) |
CA DWR |
|
NID Number |
CA10403 |
|
Attachments |
|
