1999-07-21_PERMIT FILE - M1999069

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• - _ • III IIIIIIIIIIIII III 7uttleApplegatejnc. Consultants for Land,Mineral and Water Development July 21, 1999 Mr. Bill McIntyre State Engineer's Office 1313 Sherman Street, Room 818 Denver, CO 80203 RE: Application for Substitute Supply Plan for the Wagner/Kauffman Pit#3 Dear Mr. McIntyre, The purpose of this letter is to request approval of a substitute water supply plan pursuant to Section 37-80-120 (2) C.R.S. on behalf of Kaufman and Sons, Inc. for the Wagner/Kauffman Pit 43 sand mining operation. Attached with this letter is a check made out to the Division of Water Resources for$1403.00; including$60.00 for a gravel pit well permit and $1343.00 for the substitute supply plan review. PROJECT DESCRIPTION The Wagner/Kauffman Pit#3 site will be mined by Kauffman and Son, Inc. and is located in the SE '/4 of Section 17, NE '/4 of Section 20, and NW '/4 of Section 21 in Township 5 North, Range 68 West near the Big Thompson River in Larimer County. A vicinity map of the mining site is included in Figure 1. The proposed mining operation will impact the Big Thompson River in the form of depletions due to evaporation and losses associated with the mining operation.No active irrigation ditches or surface water rights occur on the property. The dry mining operation will be established by excavating a dewatering trench around the perimeter of the mining area. Water will flow by gravity toward a collection basin. The collected groundwater will be pumped to the Big Thompson River through either a natural drainage ditch on the northeast comer of the site, or through the Boyd Lake outlet ditch which discharges to the river on the south side of the permit area. Consumptive uses from the mining operation will include evaporation and water retained in the material mined on site. The source of replacement water will be an existing lease with the City of Page 1 11990 Grant Street, Suite 304• Denver, Colorado 80233 • (303) 452-6611 • Fax (303) 452-2759