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In addition, an estimated 1.93 acre-feet of water per year will be used for dust control based <br /> (approximately) on 3,500 gallons per day for 20 days per month for 9 months. <br /> Annually the total evaporative and operational losses from mining activities (open water <br /> surface evaporation, water retained in the aggregate product, dust suppression) totals 17.98 <br /> acre-feet of depletion which must be augmented. All depletions were lagged to the South <br /> Platte River using the lagging factors approved by the State Engineer pursuant to on-going <br /> Substitute Water Supply (SWSP) approvals. <br /> (e) Indicate the projected amounts of the water sources to supply project water <br /> requirements <br /> Replacement Water: The source of replacement water for depletions will be long term <br /> lease between Burnco Colorado, LLC and Central Colorado Water Conservancy District, City <br /> of Aurora, and/or the City of Fort Lupton. The State Engineer must approve a SWSP every <br /> year. These approvals require that the applicant provide a detailed explanation of the mining <br /> operations, a quantification of all mining activities and subsequent depletions and all legally <br /> available replacement sources. <br /> (fJ Affirmatively state that the Applicant has acquired or applied for a National Pollutant <br /> Discharge Elimination System permit from the Water Quality Control Division <br /> The Operator will apply for a National Pollutant Discharge Elimination System (NPDES) <br /> permit from the Water Quality Control Division of the Colorado Department of Public Health <br /> and Environment prior to discharging water from the site. <br /> Burnco Colorado, LLC—Inouye Gravel Mine—MLRB 112 Permit Application <br /> Exhibit G-2 <br />