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PART I Page 3 of 20 <br />Permit No. COR-040000 <br /> <br />PART i <br />A. COVERAGE UNDER THIS PERMIT <br />Authority to Discharge <br />Under this permit, active and inactive metal mining operations, and mine-waste remediation projects at inactive mine <br />sites, where stormwater has come into contact with any overburden, raw material, intermediate products, <br />byproducts, finished products or waste products located at the mining site, aze permitted to dischazge stormwater <br />associated with those operations into waters of the state of Colorado. The term mining operation includes active and <br />inactive mining activities, <br />2. Industries Covered Under this Permit <br />a. Types of Activities Covered by this Permit: <br />1) This permit authorizes all new and existing discharges composed entirely of stormwater associated with <br />active and inactive metal mining operations. (See Rationale, Section IV for an ezptanation of ezempcions <br />for uncontaminated stormwater and reclaimed mines.) <br />2) This permit authorizes all new and existing dischazges composed entirely of stormwater associated with <br />mine-waste remediation projects at the mine-waste site. Sepazate permit coverage is necessary to address <br />stormwater dischazges from off-site disposal azeas. <br /> <br />3) This permit may also authorize existing dischazges composed entirely of stormwater from any mining <br />operation [hat is currently covered by an individual CDPS permit for dischazge of process water. <br />b. Definitions <br />1) stormwater is precipitation-induced surface runoff. <br />2) Mining operations include facilities classified as Standazd Industrial Classification Codes 10 through 14 <br />(mineral industry), including active or inacive mining activities. This definition includes operazions that <br />have temporarily ceased mining and aze in 'temporary cessation" stains with the Colorado Division of <br />Minerals and Geology. <br />3) Inactive mining operations are mining operations that aze not being actively mined. <br />4) Mine-waste remediation projects are projects undertaken to reduce or eliminate rnvironmental impacu of <br />mine waste. <br />5) Mine waste, for the purposes of this permit, means any mineral material such as overburden, raw <br />materials, intermediate products, byproducu, finished products or waste products, which is or has been <br />mechanically disturbed or moved from its naturally occurring location as part of a mineral extraction <br />(mining) activity. F.zamples of mine waste include: mine tailings, which is ore that has gone through a <br />milling process and then been discazded, and waste rock, which is rock that has been moved from its <br />Hamra! location, but not processed. <br />• <br />Other Definitions can be found in Part I.G of this permit. <br />3. Aoaliration. Due Dates <br />a. Application Due Dates: At least thirty days prior to the anticipated date of dischazge, the owner (or operator <br />when the owner does not operate the facility) of the facility shall submit an application provided by the <br />Division. <br />