LOWER BLUE LAKE - CA00380-3255
Incident ID | CA00380-3255 |
Dam Name | LOWER BLUE LAKE |
Downstream Hazard Potential | L |
State | CA |
Incident Date | 06/26/2018 |
Incident Type | Non-failure |
Incident Driver | Seepage/internal Erosion |
Incident Mechanism 1 | Excessive/increased Seepage |
Incident Mechanism 2 | |
Incident Mechanism 3 | |
Incident Description | Damp spots on the downstream face along the length of the left embankment, localized small active seep from damp area, and seepage boil located ~10 feet downstream of the toe on left side of the 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 | Immediate response by dam owner and Division of Safety of Dams. Spillway stoplogs have been removed and the reservoir restricted. |
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) | H |
EAP | NR |
Year Completed | 1885 |
Year Modified | 0 |
Dam Height | 40 ft |
Max Storage (ac-ft) | 5091 ac-ft |
Surface Area (acres) | 198 acres |
River Name | BLUE CREEK |
Latitude | 38.6088 |
Longitude | -119.927 |
Regulatory Agency(ies) | DWR, SAFETY OF DAMS |
NID Number | CA00380 |
Attachments |