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iii iiiiiiiiniuiu <br />a- <br />r . <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depurlment of Nplural Resources <br />1}13 Sherman 51 . Room 215 <br />Dcnvrr. Colnrario 80203 <br />Phnn¢ (30}1 8h6-3567 <br />FAX: ISI731 832-8106 <br />September 8, 1998 <br />Ms Carla Lenkey <br />Colorado Department of public Health and Environment <br />Water Quality control division <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />Re: Request for Alternate Limits Due to Snowmelt <br />CDPS Permit No.: COG-850017; Outfall 007A <br />Moffat County <br />References: <br />~I~~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Ruy Rumer <br />Gaeernur <br />lames 5 Lochhead <br />E~ecwme Dnedrn <br />Michael 8. Long <br />Division Direnor <br />a) Colowyo Coal Company L.P. letter of April 20, 1998, Re: Colorado Wastewater <br />Dischazge Permit System Number COG-850017; Discharge Monitoring Report First <br />Quarter; 1998, Wolf to Lenkey <br />b) Colowyo Coal Company L.P. letter of July 14, 1998, Re: Request for Alternate Limits <br />Due to Snowmelt, Additional Information CDPS Permit COG-850017; Moffat County, <br />Kigerto Lenkey <br />c) Colorado Department of Public Health and Environment letter of August 19, 1998, Re: <br />same as this letter, Lenkey to Kiger <br />d) Telephone calls between Kubic and Lenl:ey [Colorado Department of Public Health and <br />Environment (CDPHE)] and Gorham and Walker [Colorado Division of Minerals and <br />Geology(CDMG)], September 8, 1998, where by CDMG was asked to provide <br />information on water levels in Prospect Pond (NPDES discharge point 007) on March 23, <br />1998, and an explanation of the SEDCAD model of the pond <br />Dear Ms. Lenkey: <br />With regard to reference d), the Division did not inspect the pond on March 23, 1998. The pond <br />was inspected by the Division on March 17, 1998 (a routine inspection). On that date, the <br />inspection record is that Prospect Pond was inspected, along with all other ponds at the mine site; <br />and that of those, Gulch A Pond (NPDES discharge point 004) had "muddy inflow from snow <br />melt, and clear but slightly stained discharge". No direct or specific information on water levels <br />in, or discharges from, Prospect Pond (NPDES 007) were recorded. <br />