Major Turbidity Events in the North Santiam River Basin, Oregon, Water Years 1999

Scientific Investigations Report 2007–5178

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5178

Table 9. Suspended-sediment load and yield, and clay-water volume and yield for the October 21, 2003, major turbidity event in the North Santiam River basin, Oregon.

[Abbreviations: ton/mi², ton per square mile; Mgal, million gallons; Mgal/mi², million gallons per square mile]

Station name	Suspended sediment			Clay-water
Station name	Load (ton)	Percentage of annual load	Yield (ton/mi²)	Volume (Mgal)	Percentage of annual volume	Yield (Mgal/mi²)
Upper basin stations
North Santiam	2,030	27	9	222	12	1
Breitenbush	0	0	0	0	0	0
French	0	0	0	0	0	0
Blowout	0	0	0	0	0	0
Lower basin station
Little North	0	0	0	0	0	0

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