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Fish Creek Dewaterin¢ Site <br />• At the dewatering site, sedimentation will be controlled by the use of alternate control systems <br />such as filter fences, gravel filters, and existing vegetation. <br />In reference to the 0.5 ac stockpile located to the southwest of the pond, a berm will be inscribed <br />around the stockpile to direct runoff from the stockpile to the two gravel filters by the stockpile. <br />This will effectively treat the estimated 0.02 AF of runoff from the 10 year-24 hour event until <br />the stockpile becomes vegetated. Once this occurs the berm and filters can be removed. <br />The runoff from the 0.2-acres stockpile adjacent to the transformer will drain to the low area of <br />negative drainage northeast of the stockpile where adequate vegetation exists to provide filtering <br />and treatment of the water. The small area exemption is shown on Map 26, Fish Creek Borehole <br />Area Facilities and Access Road. The collection <br />• <br /> <br />PR 99-OS 2.05-79.1 3/28/00 <br />