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Last Chance Ditch Company <br />Project Sponsor <br />The Last Chance Ditch Company is a mutual ditch company and a non-profit <br />corporation registered in the State of Colorado on April 15, 1872. There are <br />fourteen (14) shareholders and t�venty (20) shares of stock covering <br />approximately three thousand (3,000) irrigated acres and a few gravel <br />operations. The current annual assessment value is $612 per share of stock. <br />Last Chance has the power to set annual assessments to be paid by the <br />shareholders, the po�ver to cut off water deliveries to shareholders that fail to <br />pay their assessments, and the power to offer stock for sale to pay back <br />assessments. Last Chance Ditch Company's Original Appropriation Decree, <br />Articles of Incorporation, By-la�vs and Nonprofit Corporation Certificate are <br />included in Appendix D- G. <br />Water Rights <br />The source of �vater for Last Chance is direct flo�v ���ater rights out of St. Vrain <br />Creek. March 15, 1872 is the "Original Appropriation" date and June 2, 1882 <br />the decree �vas endorsed by Water District Number 5. Currently there are <br />twenty shares of Last Chance Ditch stock among fourteen shareholders. <br />Existing Hydraulic Capacities <br />The structure summary report sho�vs that the Last Chance Ditch has an <br />absolute decree of 96.94 cubic feet per second (CFS) and a conditional decree <br />of 100 CFS. The existing �vooden structure has two similar gates <br />approximately 3 foot tall by 6 foot wide. The inlet channel to the gates has a <br />trapezoidal area and thus reduces the effective flow area of the gates. It has <br />been calculated that the existing headgate structure ��ill flow a m�imum of <br />approximately 110 CFS with a half foot of head across the gate. The <br />do�vnstream parshall flume indicates that the m�imum historic measured flow <br />in the last 57 years was 96 CFS in July and August of 2003. This peak flo�v is <br />significantly greater than any other year on record �vith the second highest flow <br />of 69 CFS encountered in June of 2005. Annual peak flows have averaged 45 <br />CFS for the years on record. <br />Proposed Hydraulic Capacities with the New Structure <br />The proposed structure should have the capacit_y to handle the total decree <br />volume of 100 CFS and still operate effectively at the normal flo�vs of 10-50 <br />� ast ance itc ompany oan easi i ity tu y age o <br />