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<br />0.- 15'" <br />U... u't <br /> <br />PROJECT TITLE: Monitoring of Surface-Water Flow and Quality in Coal-Mining <br />Areas (fig. 3) <br /> <br />COOPERATING AGENCY: None <br /> <br />PROJECT CHIEF: Theron R. Dosch, District Office, Lakewood <br /> <br />PERIOD OF PROJECT: Continuous since February 1977 <br /> <br />ProbZem.--Coal mining may have adverse effects on surface-water resources in <br />the vicinity of and downstream from mine areas. Mine dewatering, changes in land <br />use, disposal of wastes, stream channel real inement, and withdrawal of water for <br />industrial and related uses may alter existing surface-water resources, limit <br />available suppl ies, and cause deterioration of water quality. <br /> <br />Objectives.--Develop a surface-water-monitoring <br />water flow and quality prior to, during, and after <br />effects on surface-water resources. <br /> <br />network. Monitor surface- <br />coal mining to determine the <br /> <br />Approach.--Evaluate existing surface-water stations for inclusion in monitor- <br />ing network. Establ ish monitoring network by install ing new stations or modifying <br />existing stations. <br /> <br />Progress.--A monitoring network of 12 stations has been established. A con- <br />tract has been awarded to the Colorado Department of Natural Resources, Division <br />of Ilater ResClurces, Office of the State Engineer, to operate the stations and to <br />collect streamflow data. The U.S. Geological Survey has collected monthly water- <br />qual ity and sediment data. Data interpretation has begun. <br /> <br />PZans.--Continue data collection and interpretation. <br />annual State report. <br /> <br />Pub! ish basic data in <br /> <br />13 <br />