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Donald E. Frick, E.I.T. South Platte Combined Replacement Plan November 14, 2006 Page 4 of 12 Little Cache La Poudre Ditch The two Little Cache shares were historically used to irrigate 73.5 acres of pasture grass. Using aBlaney-Criddle analysis the potential crop consumptive use for the 73.5 acres of pasture grass was determined to be 105.1 acre-feet. Assuming a 10% ditch loss and 55% farm efficiency the dry year consumptive use was determined to be 74.4 acre-feet. Aggregate will utilize 0.5 shares of the Little Cache shares to this plan. The consumptive use credit associated with 0.5 shares is 18.6 acre-feet. Citv of Fort Collins Lease The applicant has leased 8.61 acre-feet of fully consumable replacement water from the City of Fort Collins. Pursuant to your letter dated June 12, 2006, this replacement source replaces the CBT water which was originally proposed as a replacement source in this plan. Tri-Districts Lease Aggregate is not proposing to use fully consumable water leased from the Tri-Districts in this plan since the replacement water is not required. However, Aggregate may use the sources in future plans to supplement the current augmentation water. Lower Poudre River Replacement Sources Total CU credit CU credit for this Ian Comments W.R. Jones Ditch 136.1 0.0 30 shares total, not a lied to this Ian Whitney Ditch 148.9 134.8 11 shares total, 10 shares applied to this Ian Bo d & Freeman Ditch 99.3 99.3 240 shares total Loloff Section 4 Ditch N/A N/A Rechar a into Loloff Pit when in riori Tri-Districts Lease 0.0 0.0 Annual Lease if necessa Ci of Greele Lease 0.0 0.0 Annual Lease if necessa W.R Jones Ditch The thirty shares of W.R. Jones ditch were historically used to irrigate 109 acres consisting of 90% com and 10% beans. Using aBlaney-Criddle analysis the potential crop consumptive use for the 109 acres was determined to be 136.1 acre-feet. Assuming a 15% ditch loss and 60% farm efficiency the dry year consumptive use was determined to be 136.1 acre-feet. Aggregate will not utilize any of the shares in this plan, however they may be used in future plans. Whitnev Ditch Five of the shares of Whitney Ditch were historically used to irrigate 65 acres consisting of 65% com, 30% alfalfa and 5% beans. Using aBlaney-Criddle analysis the potential crop consumptive use for the 65 acres was determined to be 96.8 acre-feet. Assuming a 10% ditch loss and 55°!o farm efficiency the dry year consumptive use was determined to be 64.3 acre- feet. The applicant will utilize all five of the shares in this plan. Six of the shares of Whitney Ditch were historically used to irrigate 57.1 acres of pasture grass. Using aBlaney-Criddle analysis the potential crop consumptive use for the 57.1 acres was determined to be 96.8 acre-feet. Assuming a 15% ditch loss and 60% farm efficiency the dry year consumptive use was determined to be 84.64 acre-feet. The applicant will utilize five of the six shares to this plan. The consumptive use credit associated with 5 shares is 70.5 acre- feet.