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West Elk Mine 2014 Annual Hydrology Report 42 <br />Table 11. Summary of CDPS Discharge Permit Limits for Sedimentation Ponds <br />Parameter and Time Period <br />Sedimentation Pond <br />Discharge Limits <br />TSS (mg/L) <br />• 30 -Day Average <br />35 <br />• Daily Maximum <br />70 <br />Oil and Grease (mg/L) <br />• Daily Maximum <br />No Sheen or 10 <br />Total Iron (µg/L) <br />• 30 -Day Average <br />3,500 <br />• Daily Maximum <br />7,000 <br />pH (s.u.; minimum -maximum) <br />6.5-9.0 <br />Settleable Solids (ml/L) <br />• Daily Maximum <br />0.5 <br />' CDPS Permit No. CO -0038776 (CDPHE, 2009a and b) <br />4.6 Permit Compliance <br />MCC operations were in compliance with Permit CO -0038776 limitations in WY 2014 <br />(MCC, 2015). The WY 2014 discharge data for the regulated parameters for outfalls <br />004A, 005A, 007A, 008A, 009A, 011A, 012A, 013A, 014A, 015A, 016A, 017A, 018A <br />and 019 are summarized in Table 12. <br />4.6.1 Outfall 007A (Waste Water Treatment Pond (WWTP) <br />Outfall 007A is an internal domestic wastewater discharge point that flows into pond <br />MB -5E. Discharge from Outfall 007A met permit requirements in the fourth quarter of <br />2013 and the first, second, and third quarters of 2014 (Table 12) (MCC, 2015). <br />4.6.2 Outfalls 004A, 005A, 008A, 009A, 011A, 012A, 013A, 014A, <br />015A, 016A, 017A, 018A, and 019 <br />There were no discharges from Outfalls 004A, 005A, 008A, 009A, 011A, 012A, 013A, <br />014A, 015A, 016A, 017A, 018A, or 019 in WY 2014 (Table 12) (MCC, 2015). <br />June 2015 HydroGeo, Inc. <br />