CHALFA DAM - WA00328-2265
Dam Name: CHALFA DAM
State: WA
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 08/21/2014
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Other
Incident Mechanism 2
Incident Mechanism 3
Incident IDWA00328-2265
Incident DescriptionFire-swept Benson Creek watershed received from 0.4 to 0.9 inches of rain in a one-hour period. Debris partially blocked the spillway
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 $)None
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesSee attached incident report.
Owner TypeP
Dam TypeRE
Primary Purpose(s)IR
EAPN
Dam Height17 ft
Max Storage (ac-ft)80.00
Surface Area (acres)9.00
Year Completed1940
NID NumberWA00328
River NameTR-BENSON CREEK
Latitude48.332
Longitude-119.998
Year Modified
1992
Regulatory Agency(ies)Washington, Dept of Ecology
Incident Time
Incident Duration
Incident Report ProducedYes
Information Sources
