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PART I <br />Page No. 4 <br />Permit No. COG-850000 <br />B. EFFLUENT LII~IITATIONS AND MONITORING REQUIItEMENTS <br />1. Effluent Limitations <br />a. Active Minine Outfalls <br />ACTIVE 11IDVING PRIMARY LID~'I'ATIONS <br />Parameter Limitation <br /> 30-Day Avg. Daily Max. <br />Flow, MGD Repon Repon <br />Tota! Suspended Solids, mg/P 35 70 <br />Total Iron, mg/P <br />Existing Sources 3.5 7.0 <br />New Sources 3.0 6.0 <br />Settleable Solids, mP/P Repon Repon <br />pH, s.u. N/A 6.5-9.0 , <br />Oi] and Grease, mg/P N/A 10 <br />Total Dissolved Solids, mg/P Repon Repon <br />CO River Basin Only <br />Tota! Phosphorus (az P), mg/P <br />R <br />i <br />d I <br />B <br />C <br />k D <br />i <br />ONL Repon Repon <br />ra <br />nages <br />eservo <br />r an <br />pper <br />ear <br />ree <br />Dillon <br />Y <br />ACTIVE i•~ZNG ALTERNATE LIAIITATIONS <br />Any discharge or increase in the volume of a discharge rzused by precipitation within any 23-hour period <br />less than or eoua] to the 10-year. 24-hour orecioitation event (or snowmelt of equivalent volume) may <br />comply with the following limitations -- subject to burden of proof requirements described in Pan I.B.I.d). <br />Parameter Limitation <br />30-Day Avg. Daily biax. <br />Flow, MGD Repon Repon <br />Total Suspended Solids, mg/P Report Repon <br />Total Iron, mg/P Repon Repon <br />Settleable Solids, mP/P Report 0.5 <br />pH, s.u. N/A 6.5-9.0 <br />Oil and Grease, mg/P N/A 10 <br />Total Dissolved Solids, mg/P Report Report <br />CO River Basin Only <br />Total Phosphorus (az P), mg/P Repon Repon <br />Dillon Reservoir and Upper Bear Creek Drainages ONLY <br />See Part I.C. for Definitions <br />