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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 />