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I I I I il I I I I I I I I I I I I , I 'I o The water supplier may have obtained conditional reservoir storage decrees in amounts greater than needed for their primary purpose of water supply in order to construct reservoirs large enough to allow other project purposes including reservoir recreation and enhancement of downstream flows. o The water supplier may be anticipating a higher growth in water demand than was forecasted in thi s study. The forecasts prepared for this study are bel ieved reasonable for the Study Area as a whole. However, there may be higher growth rates in individual areas. Local water suppliers are ultimately responsible for meeting those demands and may therefore choose to adopt more conservative approaches to meet future needs. The list of conditional decrees included in the model is presented in Table 3.2. Certain other conditional decrees not included in the basin model were used when evaluating alternative in-basin development plans and transmountain diversion projects. These decrees were inserted to serve as the support i ng water right for those potential developments. These decrees are discussed in later chapters where the two types of development are discussed. 3.7 OPERATION OF EXISTING FACILITIES The operating procedures of major existing water supply facil ities are represented in the basin model. Specific facilities and systems modeled in detail include the Aspinall Unit, the Uncompahgre Project, the Bostwick Park Project, the Dallas Creek Project, and the Project 7 Water Authority. Smaller municipal and domestic systems, such as the City of Gunnison and the Town of Crested Butte, were modeled as depletions because of the proximity of their diversion and return flow points. 3-9