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.; <br />• <br /> <br />CO LO~,DO GE2P.F~_i~IEidi JF HEALTH <br />Water OL`31:=:' rC.^.~:"C1 Division <br />Permits and Enforcement Section <br />r III IIIIIIIIIIIIIIII <br />~/ L l,.f' <br />MEMORANDUM 'pR30199% <br />:Mined Land <br />T0: Dick Bowman, West Slope Unit Leader, Field Support ~.R.~tlaee~,~;~,, ~: ; <br />THROUGH: Pat Nelson ~~ <br />FROM: Jon Kubic. `~L'~ <br />DATE: April 27, 1992 <br />SUBJECT: Investigate Outfall 004 <br />Cyprus Oichard Valley Mines <br />CO-0033685 <br />Delta County <br />This memo is a request for a field inspection of outfall 004 at this <br />facility. The permittee reported recent exceedences of the permit limitations <br />that may or may not be permit violations. As you may be aware, there is <br />concern whether discharge from outfall 004 reaches state waters. Karl Koehler <br />(527-4135) has indicated that you suggested a field support representative <br />visit the site. The information furnished by the permittee when the permit <br />was drafted indicated that discharge went to an unnamed ditch. It was assumed <br />that this was a direct discharge. Mr. Koehler has indicated that no ditch <br />exists in the vicinity of outfall 004. The recent discharge about which. he <br />spoke to you and me ran across an open field and dissipated into the ground <br />without leaving mine property. Mr. Koehler stated that a larger flow could <br />potentially reach the North Fork of the Gunnison River, but it is unclear <br />whether this would occur as a point source or as sheet flow. <br />I am requesting chat you determine: 1) where flow from outfall 004 would <br />likely go; 2) if it reaches state waters - whether it would be as a point <br />source or sheet flow and, finally, 3) your opinion as to whether discharges <br />from this point are actually point sources discharges to state waters. Any <br />other related information would be welcome. <br />I told Mr. Koehler that someone would contact him to arrange a site visit. <br />Thank you for your assistance. <br />xc: Anne Ihlenfeldt, Permits and Enforcement Section, WQCD <br />Coal Section, Mined Land Reclamation Division <br />Compliance Assurance Section, EPA <br />