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<br />(}2445 <br /> <br />quality records reviewed, decrease in nitrate <br /> one-third exceeded concentration. <br /> the state standard <br /> for nitrates. <br /> Selenium Selenium Selenium <br /> contamination will contamination will contamination will <br /> continue at the be reduced be reduced by <br /> present rate. insignificantly. approximately 40% <br /> to within state <br /> standards. <br /> Significantly Slight reduction in TDS ioading <br /> impaired from TDS TDS loading. reduced <br /> loadina. sianificantlv. <br />Surface water Arkansas river Selenium Selenium <br />quality gauge @ Nepasta 8 contribution from contribution from <br /> Ug/L @ La Junta watershed lowered watershed reduced <br /> gauge, Seleniurn slightly by 43 percent <br /> 17.0 Ug/L for I <br /> Selenium <br /> Salt loading to the Slight reduction in 31,000 T annual <br /> Arkansas River salt loading reduction in salt <br /> through surface loading from <br /> flows and ground watershed <br /> water recharge, <br /> 77,000 T/Yr. <br />Soil resource 77,500T irrigation Slight reduction in 80 percent <br /> induced erosion irrigation induced reduction in <br /> erosion irrigation induced <br /> erosion on Treated <br /> Ac. <br />Arkansas River Impacted by No change 80% reduction in <br />channel capacity irrigation induced sediment loading <br /> erosion sediment from Treated Ac. <br /> FishorioG habitat will Fiohorioo habitat will Fiohorioo habitat will <br /> oontinuo to bo oontinuo to bo bo loco nogatiw)ly <br /> nogati'/oly impaotod nogativoly impaotod impaotod by <br /> ... .J:. . ... . . sodimontation. <br />Arkansas River Fisheries habitat will Fisheries habitat will Fisheries habitat will <br />Fisheries continue to be continue to be be less neQativeiy <br /> neaativelv imoacted neaativelv imoacted imoacted bv <br /> bv sedh h""e . tation "edi tinn <br />Cultural Resources No effect No effect No effect <br />Santa Fe Trail <br /> <br />76 <br /> <br />" <br />