Title | Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2006-2008 Triennial Report |
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Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2006-2008 Triennial Report (Number of pages: 145) (Publication Size: 2MB)
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Author(s) | Sargeant, D., D. Dugger, E. Newell, P. Anderson, and J. Cowles (WSDA) | ||||
Description | This report presents results of a multi-year study to characterize pesticide concentrations in salmon-bearing surface waters. Monitoring occurred in five basins: one urban basin (Thornton Creek in the Cedar-Sammamish) and four agricultural basins (lower Skagit-Samish, lower Yakima, Wenatchee, and Entiat). During 2006-2008, 71 pesticides were detected. Seven of these failed to meet an assessment criterion: permethrin; chlorpyrifos; diazinon; azinphos-methyl; malathion; endosulfan; and total DDT. Pesticide concentrations found likely do not directly affect salmonids, but at some sites may affect aquatic invertebrate populations. During 2010, an anomaly in the 2006-2009 analytical method for carbamates was found. This anomaly caused the false positive identification of the degradate compounds 1-naphthol, aldicarb sulfone, and aldicarb sulfoxide. The corrected report and appendices were posted on October 22, 2010. |
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Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
Keywords | Washington State Pesticide Monitoring Program, stream, WRIA 46, creek, Yakima Basin, Skagit, surface water, temperature, urban, basin, water, trend, Ecology, Washington State Pesticide Monitoring, salmon, pesticide, agriculture | ||||
WEB PAGE | Toxics studies | ||||
WATERSHED | Water Resource Inventory Areas (WRIA 03,WRIA 08,WRIA 37,WRIA 45,WRIA 46) |
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DATA | Environmental Information Management (EIM) #CBUR0006 |
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RELATED PUBLICATIONS | Title:
Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2012 Data Summary Surface Water Monitoring Program for Pesticide in Salmon-Bearing Streams, 2009-2011 Triennial Report. A Cooperative Study by the Washington State Departments of Ecology and Agriculture. Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2009 Data Summary Appendices B- J: Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2006-2008 Triennial Report |
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