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tr <br /> <br />STATE OF COLORADO <br />tz4y comer, Gwenwr <br />Pats shwayder, nuirtg rxeurtie Director <br />Oedicatcd ro protecuog and imprwutg the hrlth and environment d the people olfalavado <br />4300 Cherty Leek Dr. S. ta6oratory Building <br />Denier, Coloodo 80222.1530 4270E 11th Avenue <br />Phone P03) 692-2000 Denier, Colorado 802243716 <br />D03) 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 />1Calcevic Gulch <br />M-95-033, Adams County <br />Dear Sir or Madam: <br />OF ~!p <br />~~ *.tb <br />~` <br />.~. <br />`tne' <br />Colorado Dcpamncnt <br />of Public Hnlth <br />and Fnvirotunmt <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 />BacktJround <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 stotmwater <br />from their facilities. <br />The stormwater regulations apply to active and inactive mines, if runoff contacts overburden, raw <br />material, intermediate or finished 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 general <br />permit for Sand and Gravel Mining and Processing (and other nonmetallic minerals except fuel). <br />A~nlication R,e,~trirement <br />An application form for the General Permit has been enclosed. Please complete an app]cation 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. (T'he plan itself does not need to be submitted.} <br />