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<br />OJ1715 <br /> <br />USGS gage in Farmington below the confluence of the San <br />Juan and Animas Rivers. <br /> <br />In general, Reclamation believes that during long-term flows <br />of 250 cfs during the irrigation season some exceedence of <br />State standards for the San Juan River between Navajo Dam <br />and the Animas River confluence would occur. <br /> <br />The NMDGF is continuing analysis of the water quality from <br />samples it collected during the Test and Reclamation will <br />include that information, as appropriate, in the EIS. In <br />addition, the New Mexico Environmental Department/Surface <br />Water Quality Bureau is beginning studies in the San Juan <br />River Basin to address water quality concerns. <br /> <br />Method <br /> <br />Samples were taken and analyzed using New Mexico State <br />standards for uses including irrigation, livestock, wildlife <br />habitat, and warmwater, marginal coldwater, and high- <br />quality cold-water fisheries. Constituents analyzed included <br />major cations and anions (positively and negatively charged <br />ions), dissolved and total trace elements, some radioactive <br />parameters, some organic compounds (DOT, PCBs, Total <br />Chlordane), fecal coliform, e. coli, and physical properties. <br /> <br />Water quality sampling was conducted using standard <br />Geological Survey and Environmental Protection Agency <br />methodologies. Attachment B lists the sampling site locations <br />and provides a detailed description of observations and <br />results. <br /> <br />Summer Low Flow Test Report - November 2001 <br /> <br />-9- <br />