|
Incident ID |
CA10414-3425 |
|
Dam Name |
Double U Fish Ranch |
|
Downstream Hazard Potential |
H |
|
State |
CA |
|
Incident Date |
02/04/2021 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Excessive/increased Seepage |
|
Incident Mechanism 2 |
Slope Stability |
|
Incident Mechanism 3 |
|
|
Incident Description |
Illegally constructed dam. During filling, there was a slope failure. Seepage was observed through the embankment fill where the slope failure occurred. Owner was directed to dewater the reservoir. A siphon was installed and water stored was removed. |
|
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 |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
Yes |
|
Information Sources |
CA DSOD |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
O |
|
EAP |
N |
|
Year Completed |
2019 |
|
Year Modified |
0 |
|
Dam Height |
21 ft |
|
Max Storage (ac-ft) |
90 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
Pit River-TR |
|
Latitude |
41.4555 |
|
Longitude |
-120.901 |
|
Regulatory Agency(ies) |
DWR, Safety of Dams |
|
NID Number |
CA10414 |
|
Attachments |
|
