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t <br /> RPM,Inc. <br /> Stormwater Management Plan <br /> Method Statement <br /> Erosion Control Inspection and Maintenance <br /> August 19,2018 <br /> Located in Elbert County,Colorado <br /> 1.0 Purpose: <br /> A plan to implement erosion control and maintenance for a sand and gravel mining <br /> operation in order to satisfy the requirements of the Colorado Department of Public <br /> Health and Environment. A permit for a Stormwater discharge will be submitted to the <br /> Colorado Water Quality Control Division prior to the Beveal Pit expansion. <br /> 2.0 Responsibility: <br /> Elbert County <br /> Contact: Mr. Sam Albrecht, County Manager <br /> PO Box 7 <br /> Kiowa, CO 80117 <br /> Phone: 303-621-3106 <br /> 3.0 Potential Pollutant Sources: <br /> Potential Pollution Source: Potential for Contribution to Best Management Practice for <br /> Storm Water: Control: <br /> In pit activity Storm water runoff from pit Sediment trap at the low end of the <br /> pit,meant to slow down flows to <br /> drop out sediment. <br /> Topsoil and overburden stockpiles Only during veg establishment Place runoff controls,such as straw <br /> bales or other similar controls along <br /> the down gradient toe of the <br /> stockpile. <br /> Product stockpiles Very low potential since the product No controls necessary at this time <br /> is sand,gravel or combination <br /> Areas under reclamation Low potential since the duration of Seed and mulch the area after topsoil <br /> 12 <br />