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Scientific Investigations Report 2010–5008

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Use of Continuous Monitors and Autosamplers to Predict Unmeasured Water-Quality Constituents in Tributaries of the Tualatin River, Oregon

Table 9. Dates of autosampling and peak storm discharges at Tualatin River tributary sites, Oregon, spring 2002 to autumn 2003.

[Abbreviations: ft3/s, cubic feet per second]

Stream Sampling
dates		 Peak storm
discharge
(ft3/s)
Beaverton Creek June 28–30, 2002 207
December 10–12, 2002 207
Chicken Creek June 17, 2003 12.2
May 8, 2003 22
May 17–18, 2003 27
Dairy Creek October 9, 2003 42
November 19–20, 2003 158
Fanno Creek June 17–18, 2002 94
May 4–5, 2003 134
May 8–9, 2003 118
Gales Creek November 17–20, 2003 245
Rock Creek June 28–30, 2002 180
December 10–12, 2002 372
September 5–9, 2003 70

First posted June 18, 2010

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Ave.
Portland, Oregon 97201
http://or.water.usgs.gov

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