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Open-File Report 2011–1008

Prepared in cooperation with the City of Salem, Oregon

Water-Quality in the North Santiam River Basin, Oregon—Comparison of Water-Quality Data for Water Year 2007 with the Preceding Period of Record

By David R. Piatt, Matthew W. Johnston, Heather M. Bragg, Amy M. Brooks, Steven Sobieszczyk, and Mark A. Uhrich

Thumbnail of and link to report PDF (4.1 MB)ABSTRACT

Water-quality data have been collected in the North Santiam River basin since 1998. During water year 2007, eight monitoring stations were operated throughout the basin. Streamflow data were collected at all but one of these sites. This report presents a comparison of the water-quality and streamflow data collected at each monitoring station from monitor installation through water year 2006 with the data for water year 2007. Data were compiled monthly and annually to identify extreme values by season and for entire periods of study.

First posted February 10, 2011

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

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Suggested citation:

Piatt, D.R., Johnston, M.W., Bragg, H.M.,Brooks, A.M., Sobieszczyk, Steven, and Uhrich, M.A., 2011, Water-quality in the North Santiam River basin, Oregon—Comparison of water-quality data for water year 2007 with the preceding period of record: U.S. Geological Survey Open-File Report 2011–1008, 75 p.



Contents

Abstract

Significant Findings

Introduction

Methods of Data Collection

Oregon Water Quality Standards

Data Quality Assurance, Control, and Completeness

Station Data

Occurrences of Unusually Low or High Values

Summary

Acknowledgements

References Cited


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