2003-11-06_REVISION - M1987024 - Laserfiche WebLink

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Corey Pit No. 3 DMG 112 Permit Conversion Application EXHIBIT G -Water Information (1) The operation is not expected to directly affect any groundwater systems. The only surface water present on the site is irrigation water when the fields on top of the mesa were irrigated. These fields have been taken out of production and are no longer being irrigated. There is a seep azea in the southwest corner of the existing pit that drains into the gulch to the west of the affected lands. (2) (a) Earthen imgation ditches feed water to the fields on top of the mesa on Corey property from south of the affected lands during the irrigation season. These ditches will no longer be used during the mining operation. There aze no down stream users of these ditches. (b) There are no known aquifers on the property. Mexican Gulch runs south to north on the east side of the Corey property outside the affected lands at an elevation below the gravel deposit. Pelton Draw runs south to north west of the affected lands and joins Mexican Gulch north of the affected lands. This smaller gulch is also below the elevation of the bottom of the gravel deposit. The Silver Springs Trout Farm lies east of the existing pit area on the east side of Mexican Gulch. The operation will not affect these waters. (c) Stormwater runoff within the pit will be directed by grading and/or perimeter ditches to the southwest comer of the existing pit and discharged into the gulch to the west in accordance with the Stormwater Discharge Pennit. (3) The only water use by the mining operation will be for dust control at an estimated rate of 6000 gallons per day. On site irrigation water will be used to aide reclamation. (4) Water will be obtained from an approved source off site for dust control. Irrigation water to be used in reclamation is owned by Robert Corey. (5) There will be no discharge of process water or water from dewatering. The applicant has applied for a Stormwater Discharge Permit for Sand and Gravel Operations from the Water Quality Control Division at the Colorado Department of Public Health and Environment.