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-14- I I I I I' I I I I I I I I I I I I I I Alternatives for helping to meet the largest future needs were then concep- tually planned first. Those conceptual plans were subsequently modified to include the future requirements of as many additional entities as possible. Some of the entities having future needs were not included because of their close proximity to already developed water supply facilities owned and operated by other entities which should be capable of more economically meeting future needs. Other entities were not considered because they were too remotely located and their future requirements were too small to economically participate in regional facilities. Still others were not included because their existing water supply facilities were not well-suited to be joined to the regional facilities conceptually planned. Regional Plan Co.ponents Five individual planning components, denoted Components A through E, along with associated options, were eventually developed. Each planning component was devised to be independent from the others so that each could be implemented separately, or not implemented, as future conditions warrant. Each of the components consisted of an alternative for expanding conveyance capabilities, and water treatment capabilities in some instances, for M&! water supplies. Enhanced conveyance was determined to be especially needed for implementing any additional level of regional water supply integration. Adding future water treatment capacity at a regional level was only considered because of the potential for significant savings in costs through economies of scale. However, none of the alternatives involved diminishing the use of existing facilities or diminishing the roles of existing water providers.