Title | Yakima River Pesticides and PCBs Total Maximum Daily Load: Volume 1. Water Quality Study Findings |
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Yakima River Pesticides and PCBs Total Maximum Daily Load: Volume 1. Water Quality Study Findings (Number of pages: 354) (Publication Size: 4771KB)
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Author(s) | Johnson, A., K. Carmack, B. Era-Miller, B. Lubliner, S. Golding, and R. Coots | ||||
Description | The Department of Ecology conducted a water quality study in 2007-2008 to aid in developing a Total Maximum Daily Load (TMDL) for six legacy pesticides or breakdown products (DDT, DDE, DDD, dieldrin, chlordane, and alpha-BHC), the current-use insecticides endosulfan and chlorpyrifos, and polychlorinated biphenyls (PCBs). Over 400 samples were analyzed of surface water, treatment plant effluents, fruit packer & vegetable processor effluents, and urban stormwater runoff. The report describes how the study was conducted and analyzes the data in terms of compliance with water quality criteria, temporal and seasonal patterns, trends, pollutant loading, and the relative importance of sources. Numeric water quality targets are described for the chemicals of concern, and the river’s loading capacity is calculated. |
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Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
Keywords | Yakima River Basin, Yakima Basin, Yakima River, fish, 303(d), river, water quality, Total Maximum Daily Load, PCBs, pesticide, dioxin, clean water act | ||||
WEB PAGE | Yakima watershed toxics reduction project | ||||
WATERSHED | Water Resource Inventory Areas (WRIA 37,WRIA 38,WRIA 39) |
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DATA | Environmental Information Management (EIM) #AJOH0055 |
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RELATED PUBLICATIONS | Title:
Quality Assurance Project Plan: Yakima River Chlorinated Pesticides, PCBs, Suspended Sediment, and Turbidity Total Maximum Daily Load Study. |
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