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STATE OF COLORADO <br /> DIVISION OF WATER RESOURCES _ 5{3 oe coo <br /> WATER DIVISION THREE <br /> Office of the State Engineer <br /> Department of Natural Resources �� <br /> a?24thStreet �b � t�l� � S1J rave" <br /> P.O. Boa 269 F <br /> Alamosa,Colorado 81101 Bill Owens <br /> RM <br /> Office:(719)589-6683 a/y" Governor <br /> FAX:(719)589-6685 <br /> Greg E.Walther <br /> Executive Director <br /> hllpl/water.sta`Flfarcidelao ,¢ku, NA R C <br /> 4 ayy J �y�A Hal D.Simpson.P.E. <br /> J Stale Engineer <br /> Harry David Crites <br /> n E <br /> 11044 West Highway 112 0/'rsineer <br /> ��of Mineral, off'. <br /> , oiQ Vandiver <br /> Del Norte, CO 81132 ogy A/` e <br /> RE: Case 96CW38, Change of Water Right and Plan for Augmentation OFF/de <br /> Dear Mr. Crites: <br /> Pursuant to our telephone conversation on Wednesday, March 3, 1999 1 am responding <br /> in writing to your request for clarification of use of your Rio Grande Canal and Santa <br /> Maria Reservoir Company shares delivered to recharge under the terms and conditions <br /> of your 96CW38 decree. You intend to use water delivered to a recharge pond to wash <br /> sand and gravel that has been mined at your farm located in Sections 25 and 36, <br /> Township 41 North, Range 6 East, NMPM. <br /> Water recharged into your pits is designated to offset well pumping on the farm for the <br /> irrigation of no more than 175 acres. The recharge credit is annually reduced by <br /> evaporative losses from the pond(s). The rate of credit reduction is 2.0 acre-feet per <br /> surface acre of recharge structure. <br /> As I understand your project, you intend to use water from the recharge pit to wash sand <br /> and gravel on site. Most of the water removed from the pit will percolate from the sand <br /> and gravel into the aquifer. However, a portion of the water will remain within the <br /> material. In order to correctly calculate your actual recharge to the aquifer, the area of <br /> sand and gravel storage will be assessed the same evaporative rate as that of the open <br /> water surface, 2.0 acre-feet per acre. <br /> Pursuant to the decree, you are not to remove water from any recharge structure without <br /> measurement of the amount removed. I would encourage you to measure the amount of <br /> water you use for the washing operation in some manner. If you have additional <br /> questions regarding this issue, please contact me. <br /> Sincerely, <br /> Patrick J. McDermott <br /> Water Resources Engineer <br /> cc: WD 20 Commissioner <br />