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� oNa <br />co <br />October 27, 2014 <br />COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />13135hern-kin Street. Ranrn 215 <br />Deriver, CO 80203 <br />Brian Watterson <br />[Moffat County Mining <br />29515 Routt County Road 4,27 <br />Oak Creek. Colorado 90467 <br />RE: Williams Fork Mines; C- 1981 -044; 2013 Annual Hydrology Report Information <br />Dear Mr. Wa(lerson: <br />The Colorado Division of Reclamation, Mining, and Safety is conducting a review of the 2013 Annual <br />Hydrology Report for the Williams fork Mines. The Division found several data points that are missing <br />that will need to be submitted prior to the Division completing its review of the report. <br />1.) All of the groundwater monitoring wells listed on Table 1; "Ground Water, Water Well <br />Sampling, "', in Exhibit 29 of the permit; required to be sampled annually for the D List <br />parameters were missing the results for the following constituents in the 2013 Hydrology <br />Monitoring Data tables: Hardness (Total), Bicarbonate, Arsenic, Zinc. and Boron. Please provide <br />this information. <br />2.) The Williams Fork Mines entered temporary cessation during the 3rd Quarter of 2013. Thus. <br />Moffat County Mining (MCM) was required to monitor in accordance with the active mining <br />status procedure for the first two quarters. The following wells Were missing water level <br />measurement data for the fir-st quarter of'2013: wells 83 -01, 83 -02, 83 -03 and 84-01. Please <br />supply this information. <br />3,) MCM did not report the flow rate at the required frequency at both the surface water monitoring <br />sites along the Williams Fork River (WT -I and WF -2). Please supply this information. <br />If you have any questions feel free to contact me at (303) 866-3567. extension 9120. <br />Sincerely, <br />Jared Ebert <br />Environmental Protection Specialist <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.856.3567 F 303.832.8106 http: f /mining.state.co.us I Y <br />John W. Hickentooper, Govemor I Mike King, Executive Director I Virginia Brannon, Director 76 . <br />