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<br /> <br />COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale Page 2. Permit No. CO-0036684. <br />III. RECEIVING STREAM: <br />A. Identification, Classification and Standards <br />1. Identification: Discharge is to Fish Creek, tributary to Trout <br />Creek, segment 13b of the Yampa River Sub-basin. <br />2. Classification: This stream segment is classified for the <br />following uses: Recreation, Class 1; Aquatic Life, Class 1 (Cold); <br />Agriculture. <br />3. Numeric Standards: The standards which have been assigned in <br />accordance with the above classifications can be found in 3.3.0, <br />Classifications and Numeric Standards for the Upper Colorado River <br />Basin (5 CCR 1002-8). <br />Physical and Biological <br />pH <br />Metals <br />Iron (Fe, tot) <br />B. Receiving Water Data <br />= 6.5 - 9.0 s.u. <br />= 1.0 mg/1 <br />1. Stream Low Flow: The flows which will be used to calculate <br />e uent mitationa are acute flows, those that occur for one day <br />every three years (lE3), or chronic, those that occur for thirty <br />days every three years (30E3). These flows have been determined by <br />the Water Quality Control Division and are as follows: <br />Type Flow <br />Acute (lE3) 0.7 cfs (0.45 MGD) <br />Chronic (30E3) 1.4 cfs (0.9 MGD) <br />2. Impacts on Downstream Water Supplies or Other Receiving Waters: <br />The discharge is not expected [o have any impact on downstream <br />users or segments, provided compliance with effluent limitations is <br />achieved. <br />IV. FACILITY DESCRIPTION <br />A. Industry Description <br />The facility is an inactive coal loadout facility. When active, the <br />loadout will include crushing facilities. The maximum rate of coal <br />transfer is 200,000 tool/year. Coal is stockpiled on site and then <br />loaded into rail cars. The site will be activated when market <br />conditions for coal improve. <br />