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<br />C) <br />': ) <br />(ll) <br />i-> <br /> <br />(,.,;\ <br /> <br />w <br /> <br />1) BASELINE WATER QUALITY CHARACTERIZATION: Numerous studies and <br />monitoring programs have produced data on different aspects of water <br />quality in the San Juan River basin. The purpose of this element is to <br />establish a base from which to evaluate current conditions and to <br />determine courses of action for remedying problems. Primary tasks <br />include the compilation of historic information on the San Juan River. <br />Particular emphasis should be given to the Animas River and other <br />tributaries and their contributions to the water quality of the mainstem <br />San Juan. <br /> <br />2) CURRENT WATER QUALITY CONDITIONS: This study should investigate the <br />changes in water chemistry compared to the hydrologic cycle as well as <br />identifying changes caused by inflows and discharges. Monitoring sites <br />should be selected at the beginning of the study based on information <br />from past studies that have identified specific water quality problems. <br />The contaminants to be monitored and the frequency of monitoring should <br />be specified as part of the work plan. <br /> <br />These elements should be implemented in conjunction with studies being done by <br />other State and federal agencies. <br /> <br />3.4.1 Selected course of action <br /> <br />a. Point sources of contaminants <br /> <br />1. Inventory existing point sources and determine if they could <br />be impacting endangered fish species <br /> <br />2. Identify existing regulatory mechanisms and agencies that <br />control those sources <br /> <br />3. Identify impacts of point sources with data from the <br />monitoring programs <br /> <br />23 <br />