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r~ • • <br />STATE OF COLORADO <br />ttiy ttane., CoNemor <br />Pam Shwayder, nccng Executive Dinxtor <br />Dediwfed [o protecting artd improving the health and environment d t1rc people dGobrado <br />4300 Cherry Leek Dr. S. ralwratory Binding <br />Drover, oodo 80222-7530 4210E 11th Avenue <br />Phone p03) 692-2000 Denier, CokHado 80220-3776 <br />p03) 691-4700 <br />Crystal Gray June 22, 1995 <br />Adams Cotmty Parks Department <br />9755 Henderson Road <br />Brighton, CO 80601 <br />RE: Stormwater Permit Requirements for Mining Activities <br />I{alcevic Gulch <br />M-95-033, Adams County <br />Dear Sir or Madam: <br />~~;p4~ep~ <br />~~ <br />e <br />a <br />~ 7876 ~ <br />COIORflO Depamnen[ <br />of Public Health <br />and En7votwrnt <br />We have received a copy of the reclamation permit application notice and/or an inspection report for <br />the site, from the Colorado Division of Minerals and Geology (formerly the Mined Land Reclamation <br />Division). The Water Quality Control Division administers a stotmwater program, designed to <br />control stormwater runoff from certain categories of industrial activity, including mining. Your <br />facility falls trader one of these categories. Our records indicate that you have not applied for or <br />obtained a stormwater permit for the above-referenced mini ~g operation. <br />Backeround <br />In 1987, the US Congress amended the Clean Water Act to expressly include stormwater discharges <br />from mining sites (and other industries) as requiring Clean Water Act controls. In 1990, EPA issued <br />regulations that require specific mining activities to obtain permits in order to discharge stormwater <br />from their facilities. <br />The stotmwater regulations apply to active and inactive mines, if runoff contacts overburden, raw <br />material, intermediate or fmished product, or waste products, and leaves the site. <br />The Water Quality Control Division of the Colorado Department of Public Health and Environment <br />has direction and authority to administer this program in Colorado. The Division has issued a genera] <br />permit for Sand and Gravel Mining and Processing (and other nonmetallic minerals except fuel). <br />Application Requirement <br />An application form for the General Permit has been enclosed. Please complete an application for the <br />site and submit it to our office by August 3, 1995. Note that the application must include notice of <br />preparation of a Stormwater Management Plan (SWMP), as described in Appendix A of the <br />application. (The plan itself does not need to be submitted.) <br />