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iii iiiiiiiiiiiiiiii <br />January 5, 1994 <br />Mr. Joe Dudash <br />Environmental Protection Specialist •,'~ <br />Division of Minerals and Geology `~ " <br />1313 Sherman Street, Room 215 ~ - -- <br />Denver, Colorado 80203 - <br />RE: Adequacy Response for Permit~Renewal -New Elk Mine, Permit C-81-012 <br />Dear Mr. Dudash: <br />On behalf of Basin Resources, Inc., we hereby submit the following information in response <br />to your letter dated November 5, 1993 for the above referenced permit renewal. This <br />response addresses the comments concerning only hydrology from that letter. Additional <br />responses concerning the remaining questions from the 1992 Mid Term Review, 1992 <br />Annual Hydrology Report Review, and letters from the Colorado Division of Wildlife and <br />Colorado Natural Heritage Program are also included in this package. <br />November 5, 1993 Adequacv Comments <br />B. Hydrology <br />1. The stormwater plan for the New Elk Mine is currently being prepared for <br />your review and approval. <br />2. The water monitoring data has confirmed the predictions of the New Elk PHC <br />and CHIS. Additional information concerning the update of these sections of the permit <br />document will be submitted under separate cover at a later date. <br />3. The Permit Document does not currently contain a description of the sump <br />discharge into D-16 at the industrial building. The sump is located in the northwest corner <br />of the industrial building in the lower level and drains groundwater seepage from the lower <br />level of the building. Pumping rate is extremely variable depending on the amount and <br />pattern of moisture received in the area which would cause seepage. The pump is on a float <br />activated switch and is rated at approximately 5 to 10 gallons per minute when it pumps. <br />The water is pumped to ditch D-16 which reports to Pond 007. <br />4. The results of the updated water users' survey are attached for your review <br />and approval. Revised pages TOC iv, 2.04-25, 25a thru 25g and Exhibit 11 are attached for <br />inclusion into the Permit Document. <br />5990 Greenwood Plaza Blvd. Suite 250 Englewood, CO 80111 <br />(303) 850-0930 Fax (303) 721-9298 <br />