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Ms. Joanna Williams <br />RE: WW Farms Expansion SWSP Request <br />April 22, •2008 <br />,Page S of 3 <br />CONCLUSIONS AND. RECOMMENDATIONS . <br />• When mining commences; the; annual consumptive use. for the WW Farms Expansion'is: <br />estimated to be 19.6 acre-feet, which includes evaporation from exposed ground water, <br />water lost in product,:and water used for dust control. <br />• The. total depletions to the Cache la Poudre River Paused. by mining at WW Farms <br />Expansion will be 17.69 duringthe first year of mining. <br />Consumptive use from 2.5 shares of the Whitney Ditch is 37.3 acre-feet and can cover <br />the necessary replacements,to. the Cache la•Poudre River from April to September.. <br />• The winter, replacements for.• this site will come from the excess replacement water that <br />Aggregate's'CoSSP has on the South Platte River. <br />• Applegate. Group Will maintain 'the accounting records for this site and report them to the <br />water commissioner and.DiviSion office.as requested. <br />• After this, SWSP Request is approved; Applegate Group will request an amendment to the <br />CoSSP to include it in-the overall combined plan. <br />If you have any questions or need -additional information on the substitute water supply <br />amendment request for the WW Farms Expansion site,.please d6 not hesitate to call. <br />Cordially; <br />Applegate'Group, Inc. <br />Kimberly K.. Frick, P.G. <br />Water Resource Specialist <br />KKF/ta. <br />Enclosures <br />cc: Mike Refer, Aggregate Industries <br />Connie Davis, Aggregate Industries <br />AG File No. 06-103 <br />N:106103 Aggregate Industries WRPMWater Right Evaluations\Ed OrrW 2008 SWSP Amendment for GW Exp:doc <br />REFERENCES <br />Task 59.1 "Developed Locally Calibrated Blaney-Criddle Coefficients" SPDSS Final <br />Memorandum by Leonard Rice Engineers - Erin Wilson, Ross Bethel, and Beorn Courtney <br />River Resource <br />Amendment to Permit M1.999098 112C <br />Page G16 of G37