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<br />STATE OF COLORADO <br />~,~~ <br />Patti Shvnydey Actingbceaaive Direoor <br />Dediated to protecting and improving the health and environment W the people orCobrado <br />4300 4terry Geek Dr. S. ta6oratory Building <br />[)emer,Colorado80222-1530 4270 E.ttthAvenue <br />Phone p03) 692-2000 Denier, Colorado 80220.3776 <br />p03) 691.0700 <br />Crystal Gray June 22, 1995 <br />Adams County Parks Department <br />9755 Hendersoxi Road <br />Brighton, CO 80601 <br />RE: Stormwalter Permit Requirements for Mining Activities <br />I{alcevic Gulch <br />M-95-033, Adams County <br />Dear Sir or Madam: <br />~~ <br />Colondo Depattmcnt <br />of Public Health <br />and Fntvonmatt <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 stormwater program, designed to <br />control stormwater runoff from certain categories of industrial activity, including mining. Your <br />facility falls under one of these categories. Our records indicate that you have not applied for or <br />obtained a stormwater permit for the above-referenced mining operation. <br />Background <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 rr~ttire specific mining activities to obtain permits in order to discharge sto7mwater <br />from their facilities. <br />The stormwater regulations apply to active and inactive mines, if runoff contacts overburden, raw <br />material, intermediate or fu3ished product, or waste products, and leaves the site. <br />The Water Qualify 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 general <br />permit for Sand and Gravel Mining and Processing (and other nonmetallic minerals except fuel). <br />Application Re tgtirement <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 Sl:ormwater Management Plan (SWMP), as described in Appendix A of the <br />application. (The plan itself does not need to be submitted.) <br />