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<br />Larry Oehler <br />-5- <br /> <br />The Clean Water Act requires that the volume of process was <br />may be discharged from the mine site shall not exceed the v <br />infiltration, drainage, and mine drainage waters which is i <br />the make up water required for the operation of the benefit <br />process. The concentration of sediment in process wastewat <br />exceed a instantaneous maximum of 0.2 ml/liter settable sol <br />t:~tlleA <br />If the net result for each phase is a water deficit, then R <br />Resources should specify where the make-up water will came <br />Clean Water Act requires that the amount of new water allow <br />the plant site for use in ore processing shall be limited t <br />amount required as make-up water for processing operations. <br />In either case, Reclamation Resources should commit to comp <br />the State Engineer's Office regarding water management and <br />for the proposed operation. Water rights may need to be ob <br />regardless of water excess or water deficit. Senate Bill 1 <br />that mining operators who expose ground water to the surfac <br />well permit or substitute supply plan to mitigate for evapo <br />Each water balance should include, at a minimum, a table <br />following inputs and outputs and supporting calculations <br />In uts <br />Ground ater nflows <br />2. Process Water - (4 Hr. Storage) <br />3. Irrigation Water <br />\ 4. Dust Suppression <br />5. Runoff <br />6. Natural Precipitation <br />7. Ground water Recharge <br />Ground Water Inflows <br />Out uts <br />8, vaporative <br />9. Percolation <br />Ground water inflow volumes should be based on the maxi'. <br />excavation and maximum expected inflow rate for each ph <br />mining operation. Ground water inflow rates should be <br />terms of hydraulic conductivity appropriate for glacial <br />Alma Placer. <br />2. Process Water <br />~~{ <br />The Clean Water requires that the water management syst <br />designed, consi!ructed, and maintained to contain the ma <br />of untreated process waste water which would be dischar <br />contained, and used or recycled by the beneficiation pr <br />treatment system during a 4-hour operating period witho <br />in volume from precipitation or infiltration. <br />April 4, 1990 <br />to water which <br />)1 ume of <br />i excess of <br />iation <br />ar shall not <br />LYJ• <br />~~ P <br />aclamation <br />=rom. The <br />~d to enter <br />> the minimum <br />fiance with <br />ater rights <br />ained <br />1 requires <br />obtain a <br />ative losses. <br />narizing the <br />each: <br />Loss <br />- Seepage Loss <br />um size of <br />se of the <br />pecified in <br />till at the <br />be <br />um volume <br />stored, <br />ss into the <br />an increase <br />3. Irrigation Water ~, <br />Reclamation Resources has specified that irrigation wat r will be <br />used during reclamation for the first two years after m'ning. <br />Application rates will be a maximum of two inches every 15 days, <br />