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r- • <br />STATE OF <br /> <br />tray homer, Governor <br />Patti slnvarder, Acting Execalive Director <br />nediated b protecting and imprwug the heahh and envinxrment of the people atCoJwado <br />4300 Cherty Geek Dr. S. Laborauuy Building <br />Denier, Calaado 80222-1530 4270 E. 711h Avenue <br />%ane 0031692-2000 Denier, Colorado 80220.3776 <br />f303) 6414700 <br />Crystal Gray June 22, 1995 <br />Adams County Parks Department <br />9755 Henderson Road <br />Brighton, CO 80601 <br />RE: Stormwater Permit Requirements for Mining Activities <br />ICalcevic Gulch <br />M-95-033, Adams County <br />Dear Sir or Madam: <br />We have received a copy of the reclamation permit application notice andfor an inspect6on report for <br />the site, from the Colorado Division of Minerals and Geology (formerly the Mined Lad Reclamation <br />Division). The Water Quality Control Division administers a stormwater program, des geed to <br />control stotmwater runoff from certain categories of industrial activity, including Your <br />facility falls under one of these categories. Our records indicate that you have not app 'ed for or <br />obtained a stormwater permit for the above-referenced mining operation. <br />Backeround <br />In 1987, the US Congress amended the Clean Water Act to expressly include stormwat r discharges <br />from mitring sites (and other industries) as requiring Clean Water Act controls. In 199 ,EPA issued <br />regulations that require specific mining activities to obtain permits in order to discharge stormwater <br />from their facilities. <br />The stormwatet regulations apply to active and inactive mines, if runoff contacts overbr~rden, raw <br />material, intermediate or futished product, or waste products, and leaves the site. i <br />The Water Quality Control Division of the Colorado Department of Pubtic Health and nvironment <br />has direction and authority to administer this program in Colorado. The Division has is ued a general <br />permit for Sand and Gravel Mining and Processing (and other nonmetallic minerals exc pt fuel). <br />Annlication Requirement <br />An application form for the General Permit has been enclosed. Please complete an appl cation for the <br />site and submit it to our office by August 3, 1995. Note that the application must incline notice of <br />preparation of a Stormwater Management Plan (SWMP), as described in Appendix A ot~, the <br />application. ('['he plan itself does not need to be submitted.) <br />