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Scientific Investigations Report 2009–5078

Assessment of Eutrophication in the Lower Yakima River Basin, Washington, 2004–07

Acknowledgments

We thank the following people for assistance with this study: Ryan Anderson and Jenifer Parsons (WA DOE), Chauncey Anderson, Gerard Bales, Timothy Counihan, Gregory Fuhrer, Mark Madsen, Marc Munn, Mark Nardi, Jim O’Connor, Joe Rinella, and Ian Waite (U.S. Geological Survey), Stuart McKenzie (U.S. Geological Survey, ret.), and the attendees of the annual technical advisory group meetings (representing the Bureau of Reclamation, City of Yakima, National Marine Fisheries Service, North Yakima Conservation District, Roza Irrigation District, Roza-Sunnyside Board of Joint Control, Sunnyside Valley Irrigation District, U.S. Environmental Protection Agency, Washington State Department of Ecology, Washington State Department of Fish and Wildlife, Washington State University, Yakama Nation, Yakima Basin Joint Board, Yakima Basin Water Resources Agency, and Yakima County) for providing valuable feedback regarding the interpretation of the data and the design of the study; Michele Adams, Andy Arnsberg, Amy Brooks, Mary Janet, Matt Johnston, Dennis Lynch, Greg Olsen, Greg Ruppert, Ken Skach, Jay Spillum, Richard Wagner, Mark Weitz, and Roy Wellman (U.S. Geological Survey), Chris Coffin (WA DOE), Kenton Rod and Pat Vichit (Benton Conservation District), Pat Monk, James Thomas (Yakama Nation), Brian Neet, and Ann Stoller for help in the field and (or) managing the water-quality data; Quentin Krueter (Bureau of Reclamation) for providing discharge data for Bureau of Reclamation gages and compiling the historical records for the Kiona gaging station; the Yakama Nation, the operators of municipal wastewater treatment plants (the cities of Granger, Mabton, Prosser, Yakima, and Zillah), and private landowners (especially Jim Keene) for providing access to sampling and monitoring locations; the Bureau of Reclamation Pacific Northwest Laboratory in Boise, Idaho, for providing in-kind laboratory analysis; and the Washington Department of Ecology for providing funding for the project.

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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