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to form a municipal subdistrict, which oversees the Project and establishes the assessments for <br />the existing Windy Gap shareholders. <br />Windy Gap consists of a diversion dam on the Colorado River, pump station, and a <br />pipeline to deliver water to Lake Granby. The C -BT system conveys the water from Lake <br />Granby to Windy Gap customers on the Front Range. The Windy Gap subdistrict has a contract <br />with the U.S. Bureau of Reclamation to allow the C -BT system to transport the water when there <br />is unused capacity. A key impediment to system yield is climate variability. In either a wet or <br />dry year, Windy Gap does not yield. In a dry year, senior rights limit diversions and there may be <br />little water to deliver. In a wet year, the C -BT system is at capacity and has no spare room to <br />store or move Windy Gap water to the East Slope. The Windy Gap Firming Project expects to <br />issue a draft Environmental Impact Statement (EIS) in 2008. <br />Chimney Hollow, a proposed 90,000 acre -foot East Slope reservoir is the preferred <br />alternative for the Windy Gap Firming Project. Greeley has subscribed to 7,000 acre feet in this <br />reservoir and will pay its proportionate share of the expected $200 million cost. <br />Big Thompson River <br />Beginning in the 1960s, Greeley began to acquire shares in three related agricultural <br />water companies: The Seven Lakes Company, The Lake Loveland Company, and the Greeley - <br />Loveland Irrigation Company (collectively the Greeley- Loveland Companies). Greeley has <br />accepted shares /water rights of the Greeley - Loveland Companies for raw water dedication as the <br />City has grown westward over ground historically irrigated by such rights. Additionally, the <br />City purchased numerous Greeley - Loveland Companies Shares in the early 1990s, some of <br />which are still leased back to the original owners for agricultural use. These water rights are <br />relatively junior and do not yield well during droughts. The Greeley - Loveland Companies water <br />rights include the rights to use the ditch company's extensive storage system. <br />Water supplies from the Big Thompson basin can only be treated at Greeley's Boyd Lake <br />Filter Plant (Boyd). Unlike GIC water, the Greeley- Loveland Companies water rights are <br />treatable. Even so, in order to minimize treatment and transmission costs, and to conserve, the <br />City also uses the water from Greeley - Loveland Companies to meet non - potable irrigation <br />demands. However, for every acre foot of water from this system that Greeley treats at Boyd or <br />delivers downstream into the canals for non - potable use, at least 22 percent of the water is lost <br />due to shrink. In dry years, the shrink losses can exceed 30 percent. In addition to the delivery <br />shrink loss, the City incurs another 11 percent annual loss on any water stored over winter in the <br />reservoirs. Therefore, Greeley works diligently to minimize shrink losses, maximize yields, and <br />limit costly treatment and transmission. <br />Laramie River <br />Greeley currently owns some minor ditch rights in the Laramie River Basin, which <br />produce up to 300 acre feet per year and owns 113 of the Laramie Poudre Tunnel Company <br />which produces for Greeley an additional 1,100 AF of water from this basin. These water rights <br />are not changed for municipal use, but once so decreed, will be treated at Bellvue and delivered <br />to Greeley. <br />Water Conservation Plan 9 AquacraR, Inc. <br />City of Greeley www.aauacraft.com <br />