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+ 'i ~. PART1 Perntit No. CO-0032638 Page No. I1 D. SPECIAL REQUIItEMENTS 2. Stormwater Requirements (continued) b) Photographs: The plan shall include photographs documenting the condition of the inactive mine site before any remedial action has occurred. For recently active mines, photographs of the active mining phase maybe substituted. c) Description of Remedial Action: The plan shall describe the remedial acton that will take place [o m;n;m;~e or eliminate the water quality impacts from the mine waste. The description shall include: - Remediation Goal Statement; - the chazacteristics of the mineralogical content of the mine-waste, and estimated volume of the waste; - description of any materials that will be mixed into the mine waste on site; and - estimated surface azea of the final site, and estimated angle of side slopes. d) Description of BMPs during Remediation Activities: The plan shall describe BMPs that will be implemented to reduce the potential of remediation activities to contribute pollutants to stotmwater dischazges. Activities that shall be addressed include vehicle maintenance, earth moving, material storage and spill prevention. e) Procedures for Disposal of Water Stored Within Mine Waste: The pemrittee must describe how any water stored within the mine waste will be collected and/or routed to any storage or treatment facilities. No discharge of this water shall be made to waters of the state, unless authorized under the process water portion of this or another pemtit. f) Description of Permanent BMPs, Final Site Stabilization, and Ultimate Land Use: The.plan shall include a description of the specific permanent measures that will be installed or used at the mine-waste site. The description shall include any of the following if appropriate: specifications for capping or isolation of the mine waste, method, and type of revegetation, and other permanent BMPs. The plan shall also include a description of the ultimate land use after remediation is complete. 6) Consistency with Other Plans SWMPs may reflect requirements for Spill Prevention Control and Countermeasure (SPCC) plans under section 311 of the CWA, or Best Management Practices (BMPs) Prograrns otherwise required by a CDPS pemut, and may incorporate any part, of such plans into the SWMP by reference. The SWMP may reflect information contained in approved plans submitted for other similaz pollution control programs, including the Voluntary Clean Up Program. (Voluntary Cleanup and Redevelopment Act, CRS 25-16-303) as long as they contain the elements described above. These plans must have been approved by the implementing agency before application for the Stormwater Perrrrit. Appropriate portions of these other plans may be incorporated in the SWMP by reference, as long as a complete SWMP can be reproduced and submitted to the requesting agency within the period specified in the request. Those portions of the referenced documents must be included in the submittal. The SWMP must also be readily available to an on-site inspector. b. General Limitations The following limitations shall apply to all dischazges authorized by this permit: _ I) _ Sto_rmwater discharges from mining operations o: mine-w_aste_zemediation_Qrolects shall not cause oz tlueaten to cause pollution, contamination, or degradation of State waters. 2) Bulk storage structures for petroleum products and other chemicals shall have adequate protection so as to contain all spills and prevent any spilled material from entering State waters. 3) No chemicals aze to be added to the dischazge unless the Division grants percussion for the use of a specific chemical. In granting the use of such chemicals, special conditions and monitoring maybe addressed by sepazate letter. 4) All dischazgers must comply with the lawful requirements of counties; drainage districts and other state or local agencies regarding any discharges of stotmwater to storm drain systems or other watercourses under their jurisdiction.