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I .. ,, r . COLORADO DEPAR1MEt'Yf' OF XE.II,TH -Water Quatiry Control Divlrion Rationale -Page l2 Pcrmir No. COR-04O00D additional informaion, reporting and srormwater quality rnntroLt on a cast-by-care 6tuLr, ar neoded. 71u Division has streamlined the definition of Inactive mining opwatlonr by remnving the clause 'which have an identifiable owner or operator'. Sintt, to the Division i knowledge, there is no land in the Store of Colorado jot which there is nor nn idcu~abk owner, the Division jtdr the this is an unncnssary complication of the definition. Inactive mine are deJtntd simply as mining sue that arc not bring acti>,ely mined. Dien 6 no imen! to make rite dcfidtion more inclusive than the definition in EPA's ngulationr. C. S~ubmind of Stormwarer Manacetntm Plans, for Review oral Artvravgl Sevaa! mmmcncr were rcttivad regarding the submittal of Stormwattr Managemetu P&w (SR'MPs) ro dtc Dtvuion for reviety and approwL Factors cued in argu[ng againn requiting submittal and approtnl of SWMPs wais• IJ Gtnittd Divlrion nsowcrs ro hardk all the doavnenu; 2) rite Divsion aabiowladgement that not al! docurnatts would be rrviewed; and 3J the burden of reproducing information already rnntaincd (n the CDMG Reclmnation Plan. In reviewing the issue, the Ditsion mncbded rhd for meta! mining opaariont SWMP derclopment and impianauation is stiL nearsary, but submind would only 6c rcquirrd upon specific wrinea nguat by the Division. Cernc~arion that rite SWMP has been aompkrtd atd impkmentadu now required 1. CertyJloaNon of SWMP CtnnpleNon and ItttpLnnenlafloa: For aeolw mining operations czWlttg on October 1, 1992, ccrrificarion of SWMP mmpktion and rmplancnrarion is required to be submined to the Division as soon as possible but no later than tlu anniversary date of thdr Mined Land Recamation pmnu that ja(Ls between July 1, 1993 and June 30, 1990. TIu arrrtfiaatlon dare for SWMP inrpkmtntation has bem roordinated with the anniversary date ojthe reclamation permit to facilitate the review by CDMG and potential modfficarian of ncianwrian plans. 7lris ooordlnation with the anniversary dare will spread ovt rite pottmid impact on the CDMG. For now aetlw fadtllles (beginning aprratlonr after October 1, 1992), and for olt atha active fan&r!a applying ttJler July 1, 1993, the SWMP shall be prepared prior ro applying for mveroge undo the getterd permit. For inauive mining operations, applying before July I, 1994, eert~aation of SWMP rnmpkrion and itnpkmentation is required ro be tubmined to rhs Division as soon as possible but no later than July I , 1994 For those applying afro July I, 1994, the SWMP shall be prepared Prior ro applying for catrrage under the gennat permit. 2. Contents and Fortsat of Srormwater Matwgement Plans: Some arsivltla required under the SWMP may a4sady be in plan. However, the SWMP will regain the ptrmittee to coordinate these activitia with airy necessary new activitiv in an orderly manner, ro that the rault it the reduction or elimination of poliwants readiing stare warcn from anus nor limited by t~Iuent Umitationt. 71u SWMP may rely upon information developed for other sMikr pollution c»nrrol programs such err the SPCC (Spill Pnevrnrion Control and Counrermeasura) plan or the Mined Lard Reclamation Plan. Appropriate portions of rhae other plans may be inrnrporated in nc~ SWMP by referentt, as bag os a eompktt SWMP can be reproduced and submined ro the nquuring agency within the rime frame specified in the requat. 77iose portions of the rrftrenced documents must 6e included in the tubminal. 71re SWMP must alto be readily avsilabk to an on-site inspector. 3. CoortbGatlon With CDMG: 7t rs the permlrree's responslbldty to nor{Jy the CDMG of arty change a< their sire raubing from the implanentation of the SWMP. lhlr is so that the CDMG tray review the SWMP and inrnrporart any potential revisions into the facility's reclamation permit which might be needed. Ptrminea are asked ro ~+erijy that their reclamation pnmir marcher their SWMP. Such injornrarion is usually mNdnaf