Spatial Analysis of Atrazine in the Elm Fork Watershed Page: 28
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Creek exceeded the EPA Maximum Contaminant Level more than once. As seen in
Figures 7 and 8, all five of these streams are located in the eastern side of the watershed,
and three of the other four streams that exceeded the MCL only once are also on the east
side.
Figure 8-Atrazine concentration in 1999Acrazine Concentrations- February 1999
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Atrrzino Concntralipgp A- ,,1999
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Atrazine Concentrations, May 199
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6mIin'] Ir ,All drinking water samples were below 3 pg/L, but only Station 25-the Upper
Trinity Regional Water District Plant, which uses activated carbon in its purification
process-met the European standards of 0.1 pg/L at any time. Furthermore, five of the28
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Ochandio, Mario Roberto. Spatial Analysis of Atrazine in the Elm Fork Watershed, thesis, May 2000; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc2510/m1/30/: accessed April 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .