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Chapter IV <br /> The data shows that the Coal Basin mining operation does in all probability contribute <br /> sediment from the extensive road system and previously disturbed areas (please read <br /> water quality summary, Vol. 5, pages 38.1 - 38.4). Since the analysis of this data <br /> (1979-80) a complete plan has been developed and implemented as follows: Stage I, <br /> Construction of sediment ponds (30 ponds and 6 B.A.T. ponds, plus 3 ponds approved <br /> but not yet constructed) at Coal Basin, 1 at the Carbondale load-out facility, and <br /> accompanying berms and ditches (1980-87); and Stage II, a planned, ongoing <br /> program of revegetation. <br /> Every indication of our hydrologic data collection program shows that there are no <br /> significant impacts on the surface water quality or quantity of Coal Basin. <br /> d. Reporting. <br /> Annual hydrologic reports are made to MLRD, and contain the most current data. <br /> Mid-Continent collects, records and reports ground water quality and quantity data in <br /> accordance with Section 2.05.6(3)(b)(iii) and 4.05.13. <br /> In addition, Mid-Continent reports monthly the analytical results from each sample <br /> taken during the year using Discharge Monitoring Report forms. The report outlines the <br /> procedures being followed to comply with NPDES permit requirements and is <br /> accompanied by a letter identifying the State and Federal government official with <br /> whom the reporting form was filed. <br /> The company is also required to report all non-compliance events to the mine <br /> regulatory authorities, including the Colorado Department of Health, within five days of <br /> their occurence. The reports will include the probable reason for the non-compliance <br /> and an outline of measures that will be taken to alleviate future non-compliance. <br /> Water quality records are maintained at the company District Office in Coal Basin and at <br /> the company Engineer Office in Carbondale. <br /> 8. Alternative Water Supplies. <br /> As discussed in the previous paragraphs, the Coal Basin mining operations are not <br /> affecting adversely the quantity or quality of surface or ground water in the permit area. <br /> Therefore, no adverse effects on any water rights are expected either to their quantity <br /> or quality. If adverse effects should occur, the company owns considerable additional <br /> water rights other than those in Coal Basin, portions of which could be committed to <br /> supplement those in Coal Basin. <br /> 25 <br />