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llr. Lloyd l' "Buck ' Burn/ran D. crrxhu•i _'000-;;'C~nrcrs:an Ipprnvol, Permu,Vo ,t/./979-15A. lOn CynC,,,.r ru Page _' The Division and Board required the above-referenced condition to a ll2 permit, as a result of CCMD's responses to Division concerns regarding the application. The application stated that "Surface water from the pit area water will be detained for a short period, not to exceed 36 hours. That (water) which is not absorbed into the pit floor will be released through a 6-inch pipe to discharge into the roadway borrow pit at the southeast comer." The application also states that "water in the pit area will be detained by a low berm on the south side." The Division required the condition as a demonstration that a pond, not included in the reclamation plan, will not be allowed to develop on the pit floor that would require approvals from the Colorado State Engineer's Office, for water storage and evaporative loss. Also, the Division was concerned about erosion between the planned discharged and the county road drainage system. The Division is approving Mr. Young's August 31, 2000, letter as an adequate response to Condition No. 1 and, therefore, the condition is abated. The Division is satisfied that a registered engineer has determined that there will not be a discharge of stormwater from the pit, as a result of a 10-year, 24- hour storm event. However, the Division still has some concern that water may accumulate in the pit, especially after final reclamation, when topsoiling and sedimentation occur on the pit floor. The reclamation plan is not approved for a pond or additional wet land. The application states that surface water will not be detained in the pit for more than 36 hours, and the Division will monitor this during future inspections. Please all me at (303) 866-4922, if you have questions Sincerely, Larry D. Oehler Environmental Protection Specialist cc: Tom Dykes, CCMD Jim Stevens, DMG gax~~bomhan M-1979-I i8 conv approval-Ido