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PART I Pape No. 9 Permit No. COG-850000 EFFLUENT LLIfTTATIONS Ai\'D MONITORING REQUII2EMENTS 2. Sror-mrvarer Management Plan (SWIM) (continued) 3) A repon summarizing the scope of the inspection, personnel malting the inspection, [he date(s) of the inspection, major observations relating to the implemenmtion of the SWMP, and actions taken in accordance with paragraph (b), above, shall be made and retained as pan of the SWMP for at least three years. The report shall be sinned in accordance with Part I.D.7. of this permit. 4) Rthere semi-annual site inspections are shown in the plan to be impractical for sites where an employee is not stationed or does not routinely visit the site, ittspectiotu as required in this pan shall be conducted at appropriate intervals specified in the plan, but never less than once in two years. 5) Where semi-annual site inspections aze shown in the plan to be impractical for inactive sites (sites where industrial activity is no loneer conduced), site inspections required by this pan shall be conduced at appropriate intervals specified in the plan, but, in no case less than once in three years. At lease one site inspection required under this pan shall be conducted prior to October 1, J999, or the date two years afer such site becomes inactive, whichever is earlier. c) Additional SWMP Reeuirements 1) Signatory Requirements: A copy of the plan shzll be sinned in accordance with Pan LD.7. and retained on site. 2) SR'i~1P Review/Changes: Upon review of the SWMP, the Division may notify the permittee at anv time that the plan does not meet one or more of the minimum requirements of this permit. After such notification, the permiuee shall ma}:e changes to the plan and shall submit to the Division an update to the plan including the requested changes. Unless o[hetwise provided by the Division, the pertnittee shall have 30 days afrer such notification to both make the necessary changes to the plan and to implement them. The petminee shall amend [he plan whenever there is a change in design, construcion, operation, or maintenance which has a significant effect on [he potential for the discharge of pollutanu ro the waters of the State, or if the SWMP proves to be ineiiecive in achieving the general objectives of controlling pollutants in stotmwater dischages associated with industrial activity. Amendments [o the plan may be reviewed by the Division in the same manner as described above. ]t is the perraittee's responsibiliry to notify the Colorado Division of Mining and Geology (forruerly the Mined Land Reclamation Division) of any significant changes at their site resulting from the implementation of the SWMP. d} SWMP Availabilirv A copy of the SWMP shall be provided to the Division, the Colorado Division of Mining and Geology (CDMG), and/or to EPA upon request, and within the time frame specified in the request. Al] SWMPs required under this permit are considered reports that shall be available to the public under Section 308(b) of the CR'A. The owner or operator of a facility with stormwater discharges covered by this permit shall make plans available to members of the public upon request. However, the permittee may claim any ponion of a stormwater pollution plan as confidential in accordance with 40 CFR Pan 2. e) Allowable Non-Stot~rtwater Discharges The plan shall identify all sowces of irrigation return flow and natural uncontaminated spring water that are combined with stotmwater discharges associated with industra] activity. The plan shall identify and ensure the implementation of appropriate measures ro prevent pollution of the non-sotmwater component(s) of the discharge. Irrigation return flow and natural spring water which mites with mine drainage or process water becomes mine drainage or process water.