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IV-9 I I I I I I I I I I I I I I I I I I I PART B (CHAPTER IV) - WATER SOURCES B1. DESCRIPTION OF SURFACE WATER SOURCE: 1. Overview of Surface Diversion Water. All of the surface water dive~sions are within Gurley canyon, from two major sources: 1) water diverted directly from the Gurley Reservoir and Ditch system, and 2) natural runoff and seep water from the drainage which surrounds Gurley Canyon. The Town obtains its Gurley water from shares in the Farmers' Water Development company. The Town also has two solely owned water rights (Priorities 385 and 42~) and an interest in a third water right (Priority 214), which allow diversion of the natural runoff in Gurl~y Canyon and its watershed. The first two rig~ts are referred to as the Norwood Pipeline. The third right is called the Farmers Water Reservoir Co. ditch. At the present time there is only one headgate on Gurley canyon for all of the water rights. This structure can divert both Gurley Reservoir water and natural inflow water; however, it is impossible to separate the two sources of water when water i$ being released from Gurley Reservoir, since most natural inflow is seep water (or under Gurley Reservoir) . 2. Gurley System (Farmers' Water Development Company). a. General Descriotion. The Gurley system supplies the greatest proportion of water to Norwood. The Gurley supply system is owned by Farmers' Water Development Company (Farm~rs Water) and its main components are Gurley Reservoir, an upper collection ditch, and a lower delivery ditch (Figure III-A). The Gurley system was developed primarily to supply irrigation water; Norwood is the primary domestic user. The reservoir receives its water mostly by interbasin transfer from Beaver Creek and tributaries via upper Guriey Ditch. All Farmers water rights are for Beav~r Creek, a major drainage basin to the east. Howev$r, springs within the reservoir also contributeiminimally to inflow in the reservoir, and there is sOme inflow from the natural basin into the reservoir and lower ditch, which the Town has claimed. This water is conveyed by the Gurley Ditch to the point of diversion.