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Martin and Wood Water Consultants, Inc. 538 Commons Drive,Golden,CO 80401 Phone:(303)526-2600. Fax:(303)526-2624 www.martinandwood.com August 16, 2019 Ms. Megan Gutwein Berg Hill Greenleaf Ruscitti LLP 1712 Pearl St Boulder, CO 80302 Re: HB 13-1248 City of Colorado Springs/Super Ditch (Fallowing-Leasing) Pilot Project Use of Catlin Canal Shares by City of Colorado Springs Dear Ms. Gutwein: This letter report provides the information required for the Colorado Springs/Super Ditch Pilot Project ("Pilot Project") application being filed on behalf of the Lower Arkansas Valley Super Ditch Company (Super Ditch) and the City of Colorado Springs, acting by and through its enterprise, Colorado Springs Utilities (Colorado Springs),', which proposes the use of certain shares in the Catlin Canal Company as a source to provide a temporary municipal supply for Colorado Springs during the requested ten-year pilot project approval period. This application is being filed per selection by the Colorado Water Conservation Board of the November 16, 2018 HB 13-1248 Colorado Springs Utilities Pilot Project Proposal for CWCB Selection, and to fulfill obligations in the attached Fallowing-Leasing Project Agreement By and Between The Lower Arkansas Valley Super Ditch Company and The City of Colorado Springs, Acting By and Through Its Enterprise, Colorado Springs Utilities ("Super Ditch and CSU Contract"). Colorado Springs has contracted for up to 1,000 acre-feet of consumptive use water annually in three out of the ten years of the Pilot Project. A total of 1,572.7262 shares and 1,791.1 acres are included in the Pilot Project. Water delivered to Colorado Springs will be derived from fallowing a maximum of 635 shares and 622 acres in any one year. The water will be diverted by the Catlin Canal and, minus ditch and lateral losses, returned to the Arkansas River via one or more augmentation stations. The deliveries to the Arkansas River will include replacement of tailwater return flows and lagged deep percolation return flows resulting from the current irrigation season's deliveries. Remaining consumptive use water and excess deep percolation water will be exchanged to Pueblo Reservoir if exchange potential is available.Step exchanges may also be utilized to deliver The Super Ditch and Colorado Springs may sometimes be referred to herein collectively as the"Applicants." An average of 300 shares leased from the Colorado Division of Parks and Wildlife("CPW")that was used on this Pilot Project acres is not included in this application.The method by which the CPW shares were excluded from the historical use analysis,and thus this application,is described below.