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" . . 6 0.86 acre-feet (280,500 gallons), providing storage capacity equal to two times the projected average winter livestock consumption. To facilitate owner-installation. the ponds would be lined with a Hypalon (or equivalent) lining material which would be custom prefabricated and would not require earth cover. Fencing would be constructed to prevent damage and contamination by livestock. and a remote outlet would be provided. The ponds would be filled in October or early November. after which the canals would be shut off. Culinary Water Deliveries The Carbon and Huntington-Cleveland areas both have existing piped culinary water systems which cover the majority of the areas where livestock are located. However, because there are some unserved areas and because culinary water is much more expensive than canal water, the canal systems are still operated during the winter in these areas. This plan would provide new metered livestock turnouts for all stockwater users. and provide a rate subsidy to all stockwater users during the winter months to encourage use of culinary water. The subsidy would not be in effect during the summer growing season; therefore. the existing stock ponds would be utilized as they have been previously. An estimated total of 178 culinary connections for winter livestock would be required. The Price River Basin would require 140, and 38 would be required in the San Rafael River Basin. New Cottonwood Creek Delivery System In the Cottonwood Creek area a new 10.6-mile pipeline would be constructed to deliver water to the existing livestock water system that is presently being used in the winter through canal systems. since a Utah Power and Light water line has not been fully operational. The newly constructed line from Cottonwood Creek to the towns of Orangeville and Castledale would also provide raw water to each town's water treatment plant. Presently. raw water is being delivered year round through the Mammoth Canal. As a result of the pressurized pipeline. Mammoth Canal would not be used in the winter. The Price and San Rafael River basins generally can be divided into three zones or ecosystems which are: the upper or mountainous; mid or irrigated farmland; and. lower or desert rangelands (Bailey, 1976). The areas of these zones are not equal. however. High on the mountainous Wasatch Plateau, the habitat is characterized by high precipitation, relatively lush mountain meadows, and conifer and aspen forests. Winters are cold with extensive snow cover while summers are cool. and the surface water quality is good. The proposed project would not affect this upper zone. The midsection. or irrigated farmland zone of about 47,000 acres is the proposed project area. It lies between 5.000 and 6.000 feet in elevation and is near the transition zone between mountain and desert habitats. The vegetative cover types are a patchwork pattern of monotypic cultiv~teci.lI-l~}.. lJUUi~\)