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PART I Page No. 9 Permit No. COG-850000 B. EFFLUENT LIMITATIONS AND MONITORIIVG REQUIItEMENTS 2. Stormwater Mana¢ement Plan (SWMP) (continued) 3) A report snmmari~~ng the scope of the inspection, personnel making the inspection, the date(s) of the inspection, major observations relating to the implementation of the SWMP, and ac[ioas taken in accordance with pazagraph (b), above, shall be made and retained as part of the SWMP for at least three years. The repott shall be signed in accordance with Pars I.D.7. of this permit. 4) Where semi-annual site inspections aze shown in the plan to be impractical for sites where an employee is no[ stationed or does not routinely visit the site, inspcetions 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 are shown in the plan to be impractical for inactive situ (sites where industrial activity is no longer conducted), site inspections required by [his pan shall be conducted 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, 1999, or the date two years aher such site becomes inactive, whichever is earlier. c) Additional SWMP Requirements 1) Signatory Requirements: A copy of the plan shall be signed in accordance with Pan 1.D.7. and retained on site. 2) SWMP Review/Changes: Upon review of the SWMP, the Division may notify the petmittee a[ any time the[ the plan does not meet one or more of the minimum requirements of this permit. After such notification, the permittce shall make changes to the plan and shall submit to the Division an update to the plan including the requested change. Unless otherwise provided by the Division, the pertnittce shall have 30 days aher such notification to both [Hake the necessary changes to the plan and to implement them. The permittce shall amend the plan whenever there is a change in design, construction, operation, or maintenance which has a significant effect on dte potential for the discharge of pollutants to the waters of the State, or if the SWMP proves to be ineffective in achieving the general objectives of controlling pollutants in stormwater discharges associated with industrial activity. Amendments to the plan tray be reviewed by the Division in the same manner as described above. Ic is the petmittce's responsibility to notify the Colorado Division of Mining and Gwlogy (formerly the Mined Land Reclamation Division) of any significant changes at their site resulting from the implementation of the SWMP. d) SWMP Availability A copy of the SWMP shall be provided to the Division, the Colorado Division of Mining and Geology (CDMG), andlor [o EPA upon request, and within the time frame specified in the request. All SWMPs required under this permit aze considered repons that shall be available ro the public under Section 308(b) of the CWA. The owner or operator of a facility with stormwater dischazges covered by this permit shall make plans available to members of the public upon request. However, the permittee may claim any portion of a stormwater pollution plan as confidential in accordance with 40 CFR Pan 2. e) Allowable Non-Stormwater Dischazees The plan shall identify all sources of irrigation return flow and natural uncontaminated spring water that are combined with stormwater discharges associated with industrial activity. The plan shall identify and ensure the implementation of appropriate measures to preven[ pollution of the non-stormwazer component(s) of the discharge. Irrigation retttm flow and natural spring water which mixu with thine drainage or process wazer becomes mine drainage or process water.