Lower Yakima River Suspended Sediment Total Maximum Daily Load Study

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dc.contributor.authorCoffin, Chris
dc.contributor.authorPlotnikoff, Robert W.
dc.contributor.authorAnderson, Ryan
dc.date.accessioned2019-08-30T21:55:01Z
dc.date.available2019-08-30T21:55:01Z
dc.date.issued2006-05
dc.description57 page report, 800 KB, pdf.en_US
dc.description.abstractThe Washington State Department of Ecology is required, under Section 303(d) of the federal Clean Water Act and U.S. Environmental Protection Agency regulations, to develop and implement Total Maximum Daily Loads (TMDLs) for impaired waters, and to evaluate the effectiveness of these water clean-up plans to achieve the needed improvement in water quality. The Lower Yakima River Suspended Sediment and DDT TMDL was developed to reduce suspended sediment, turbidity, and the pesticide, DDT, in the lower reaches of the Yakima River. TMDL implementation is scheduled over 20 years with interim targets set at five-year intervals. The fifth-year (2003) targets included meeting Washington State water quality criterion for turbidity in the lower Yakima River during the irrigation season. Also included was the requirement that non-Yakama Reservation tributaries to the lower mainstem – especially the major tributaries of Moxee Drain, Granger Drain, Sulphur Creek, and Spring Creek – achieve a maximum 90th percentile turbidity of 25 NTU at their mouths during the irrigation season. This report presents an assessment of the turbidity within the project area and the effectiveness of the TMDL in reducing agriculturally related sediment.en_US
dc.description.sponsorshipYBFWRBen_US
dc.identifier.citationCoffin, C., Plotnikoff, R. W., & Anderson, R. (2006). Lower Yakima River Suspended Sediment Total Maximum Daily Load Study Water Quality Effectiveness Monitoring Report (No. 06-03–014) (p. 57). Yakima, WA.: Washington State Department of Ecology.en_US
dc.identifier.urihttp://hdl.handle.net/20.500.11867/17829
dc.language.isoen_USen_US
dc.publisherWashington State Dept. of Ecologyen_US
dc.rightsNO COPYRIGHT - UNITED STATES The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.
dc.rights.urihttp://rightsstatements.org/vocab/NoC-US/1.0/
dc.subjectYakima Riveren_US
dc.subjectResource managementen_US
dc.subjectStreamflowen_US
dc.subjectWater qualityen_US
dc.titleLower Yakima River Suspended Sediment Total Maximum Daily Load Studyen_US
dc.title.alternativeWater Quality Effectiveness Monitoring Report (No. 06-03-014)en_US
dc.typeTechnical Reporten_US

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