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Louden Irrigating Canal & Reservoir Company Agenda Item 16a July 15, 2008 Page 3 of 6 Water Rights The Borrower owns water out of the Big Thompson River: Table 1. Water Rights Name Amount Appropriation Priority Use Date Louden Ditch 7 cfs 11/10/1861 River Direct Flow Irrigation, domestic, Priority No. 1 manufacturing Louden Ditch 40 cfs 10/1/1871 Big Thompson River Irrigation, domestic, Direct Flow Priority No. manufacturing 18 Louden Ditch 123 cfs 11/1/1877 Big Thompson River Irrigation, domestic, Direct Flow Priority No. manufacturing 38 Donath Reservoir 1148 AF 2/24/1883 Big Thompson River Irrigation Storage Priority No. 2 Rist Benson 373.8 AF 4/26/1903 Big Thompson River Irrigation Reservoir Storage Priority No. 38 Rist Benson 117.6 AF 12/31/1930 Big Thompson River Irrigation Reservoir Storage Priority No. 52 The total appropriation for Rist Benson Reservoir is for 491.4 AF. On average, the Borrower’s Louden Ditch runs about 8,000 AF of water each year. Project Description The Borrower is undertaking the Project to meet th e requirements of the State Engineer’s Office (SEO). Since 2005, the Reservoir has been restricted to gauge height (GH) 10.0 (341 AF of storage) due to seepage problems. The repairs completed th rough this Project will a llow for full storage to GH 12.4. This will increase the storage by 150 AF to a total storage of 491 AF and will allow the Borrower to continue to provide irri gation water to its shareholders. Approximately 400 feet of the embankment was not repaired with the previous improvements made in 1993 and 2001. When the Reservoir level is great er than GH 10.0, seepage can be seen along the downstream toe of this section. For this re ason, the SEO has placed the Reservoir on a fill restriction. Additionally, the upstr eam face of the dam (in the non -recompacted section) does not have riprap protection. A portion of that section has also experienced settlement issues. The Borrower intends to address all of these issues w ith the rehabilitation and bring the Reservoir back to its full capacity.