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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale - Page 3. PERMIT NUMBER: COG-850000 <br /> <br />The major types of wastewater in the coal mining industry are: (Continued) <br />2. Surface Runoff - Precipitation-induced runoff from an active mining area <br />including runoff from coal storage piles, preparation plants, refuse <br />piles, loadout facilities and other disturbed areas; also precipitation- <br />induced_runoff from the revegetating surface of a post~ining area. <br />COVERAGE UNDER THIS PERMIT: <br />IInder this general permit, owners and operators of coal mining facilities may <br />be granted authorization to discharge into the waters of the State of Colorado <br />provided the sources of wastewater from these facilities are limited to. <br />precipitation-induced runoff. <br />This general permit does not cover coal mining facilities with discharges such <br />as mine drainage, a domestic sewage treatment plant discharge, spoils spring <br />wastewater, or coal preparation plant water. Discharge permits for these <br />facilities will be issued on an individual basis. <br />The following list shows additional criteria which will be used in evaluating <br />whether or not an .individual permit may be required instead of a general <br />permit: <br />1. Prozimity of the operation to a landfill or mine or mill tailings; • <br />2. Evidence of non-compliance under a previous permit for the operation; <br />3. Presence of downstream drinking water intakes; <br />4. Preservation of high quality water; <br />S. Addition of flocculants (settling agents or chemical additives) to water <br />prior to discharge; ' <br />6. Uae of land application as a means of discharge (other than for dust <br />' control). <br />This permit does not constitute authority under the provisions of 33 USC 1344 <br />(Section 404 of the Clean Water Act) for any dredging or filling operations. <br />DURATION OP THIS PERMIT: <br />This permit is issued for a period of approzimately 5 years. The permittee's <br />authority to discharge under this permit is approved until the expiration date <br />of the general permit. <br />• <br />