DESCHUTES DAM - WA00143-2261


Incident ID WA00143-2261
Dam Name DESCHUTES DAM
Downstream Hazard Potential L
State WA
Incident Date 10/04/2014
Incident Type Non-failure
Incident Driver Malfunction Of Equipment/gate
Incident Mechanism 1 Gate/valve Failure
Incident Mechanism 2
Incident Mechanism 3
Incident Description The east gate of the dam unexpectedly failed to close during the early morning hours of 10-04-14 dewatering most of the south and middle basins of the lake before staff could respond.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number) 0
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts
Economic Damages (in $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates After research and testing, the owner believes it was caused by an intermittent degraded electrical connection on the low voltage control wiring for the East Gate
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type S
Dam Type RE
Primary Purpose(s) R
EAP NR
Year Completed 1951
Year Modified 0
Dam Height 45 ft
Max Storage (ac-ft) 4300 ac-ft
Surface Area (acres) 270 acres
River Name DESCHUTES RIVER
Latitude 47.0435
Longitude -122.909
Regulatory Agency(ies) Washington, Dept of Ecology
NID Number WA00143
Attachments Y