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PART I Page No. 9 Permit No. COG-850000 B. EFFLUENT L11~II'I ATIONS AND MONITORING REQUIREMIIV'CS 2. Stormwater Manaeement Plan (SWhfP) (rnntinuedl 3) A report yt,mmari~;ng the scope of the inspection, personnel making the inspection, the daze(s) of the inspection, major observazions relazing to the implementation of the SWMP, and actions taken in accordance with paragraph (b), above, shall be made and retained as part of the SWMP for at leas[ three years. the repon shall be signed in accordance with Part I.D.7. of this permit. 4) Where semi-annual site inspections are shown in the plan to be impractical for sites where an employee is not stazioncd or doa not routinely visit the site, inspections as required in this part shall be conducted at appropriate intervals specified in the plan, but never less than once in two yeas. 5) Where semi-annual site inspections arc shown in the plan to be impractical for inactive sits (situ where industrial activity is no huger conducted), site inspections required by this part shall be conducted a[ appropriaze intervals specified in the plan, but, in no race less than once in three years. At lease one site inspection required under this part shall be conducted prior to October 1, 1999, or the date two years afer 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 Pazt I.D.7. and retained on site. 2) SWMP Review(Cbanges: Upon review of the SWMP, the Division may notify the permittee az any time that the plan doa not meet one or more of the minimum requiremenu of this permit. After such notification, the permitter shall make changes to the plan and shall submit m the Division an update to the plan including the requested changes. Unless otherwise provided by the Division, the permittee shall have 30 days after such notification to both make the necessary changes to the plan and to implement them. The permittee shall amend the plan whenever there is a change in desigrt, contttuction, operation, or maintenance which has a significant effect on the potential for the discharge of pollutanu to the waters of the Staze, or if the SWMP proves to be ineffative in achieving the general objective of wntrolling pollutants in stormwazer discharges associated with industrial activity. Amendments m the plan may be reviewed by the Division in the same manner as described above. It is the petmitta's responsibility to notify the Colorado Division of Mining and Geology (formerly the Mined Land Reclamation Division) of any significant changes az their site resulting from the implementaion 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), and/or to EPA upon request, and within the time frame specified is the tegttest. All SWMPs required under this permit are considered reports that shall be available to the public under Section 308(b) of the CWA. The owner or operator of a Caciliry with stormwatet discharges covered by this permit shall matte plans available to members of the public upon request. However, the permittee may claim any portion of a - .. stormwazer pollution plan as confidential in accordance with 40 CFR Part 2. e) Allowable Non-Stormwater Dtschaz¢a The plan shall identify all sources of irrigation rettun flow and natural nnCgnnm;narevl spring wazer that are combined with stormwazer dis~ges associated with industrial activity. the plan shall identify and ensure She- implementation of appropriau measures to prevent pollution of the non-stormwazer component(s) of the discharge. Irrigation return flow and nnnual spring ware which mixes with mine drainage or process water becomes mine drainage or process water.