Laserfiche WebLink
RECE1~~~ <br />SAN 2 ~ Z~Ca <br />plulslon sf M1n~~a1s aid Ge°1o9v <br />January 26, 2005 <br />Ms. Carla Lenkey <br />Colorado Department of Public <br />Water Quality Control Division - <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />Phone: (303) 692-3603 <br />Twentymile Coal Company <br />29515 Routt County Road # 27 <br />Oak Creek, Colorado 80467 <br />(970)879-3800 <br />Health and Environment <br />Permits and Enforcement <br />RE: PERMIT CO-0036684; 4TH QUARTER 2004 DMR SUBMITTAL <br />Dear Ms. Lenkey: <br />-~ q$Z-osl~ <br />Please find enclosed the above referenced discharge monitoring reports for the period from October 1, <br />2004 through December 31, 2004. Outfall OO1A (62 FCT) flowed each week of October and <br />November, and only the first two weeks in December. During the later part of December, Outtall water <br />was frozen at the weir and no discernable flow to Fish Creek was detected. No permit limitation <br />exceedences were noted during this period. <br />A Quarterly Whole Effluent Toxicity (WET) test was conducted for Outtall OO1W in October 2004. This <br />site passed for both P. Promelas, and C. Dubia. Copies of the WET Test Report Forms are included <br />with this submittal. <br />Please contact me directly at (970) 870-2750 for any further questions or additional information. <br />~~`~~~ <br />Brian A. Watterson, R.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company, <br />Enclosures <br />cc: DMG <br />CWPS Permit No. CO-0036684 file <br />