DESCHUTES DAM - WA00143-2261
Dam Name: DESCHUTES DAM
State: WA
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 10/04/2014
Incident Driver: Malfunction of Equipment/Gate
Incident Mechanism 1: Gate/Valve Failure
Incident Mechanism 2
Incident Mechanism 3
Incident IDWA00143-2261
Incident DescriptionThe 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 Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesAfter 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
Owner TypeS
Dam TypeRE
Primary Purpose(s)R
EAPNR
Dam Height45 ft
Max Storage (ac-ft)4300.00
Surface Area (acres)270.00
Year Completed1951
NID NumberWA00143
River NameDESCHUTES RIVER
Latitude47.0435
Longitude-122.909
Year Modified
Regulatory Agency(ies)Washington, Dept of Ecology
Incident Time
Incident Duration
Incident Report Produced
Information Sources
