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Title

Upper Yakima River Watershed DDT and Dieldrin Monitoring, 2014: Status Monitoring for TMDL

 
Publication number Date Published
15-03-021July 2015
VIEW NOW Upper Yakima River Watershed DDT and Dieldrin Monitoring, 2014: Status Monitoring for TMDL (Number of pages: 58) (Publication Size: 2500KB)




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Author(s) Friese, M., K. Carmack, and E. Newell
Description The Department of Ecology monitored DDT compounds and dieldrin in Cherry Creek and Wipple Wasteway. The results were compared to target concentrations established in the 1999 Upper Yakima River TMDL.

Samples were collected every two weeks, March - November 2014. Sampling sites were in the Wilson Creek drainage near Ellensburg.

Only one sample, collected on June 10, exceeded (did not meet) the human health and aquatic toxicity criteria for total DDT and DDE. All other DDT compound samples met criteria. Cherry Creek and Wipple Wasteway consistently met the aquatic toxicity criteria for dieldrin but exceeded the human heath criteria.
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Contact Michael Friese at 360-407-6737 or mifr461@ecy.wa.gov
Keywords Upper Yakima River, Wipple Wasteway, dieldrin, toxics, Yakima River, Cherry Creek, DDT
WATERSHED Water Resource Inventory Area 39 Upper Yakima
DATA Environmental Information Management (EIM) #mifr0001

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