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and effluent disposal capacity can be made up with reclaimed water utilization, increases in consumptive use permits, and/or development of additional effluent disposal sites . The reclaimed water needs assessment will also consider seasonal variations in supply and demand and will take into account wet and dry weather flow conditions . Reclaimed water utilization rates necessary to satisfy the County' s projected shortfall in long-range water supply and effluent disposal capacity will be prepared, assuming various scenarios for increases in consumptive use permits and the development of additional effluent disposal sites . These scenarios will be associated with high, moderate and low utilization rates for reclaimed water in the County' s Urban Service Area. Knowing approximately how much reclaimed water may need to be produced and delivered in the future will assist in the identification and evaluation of alternative reclaimed water system implementation strategies in Task 4 . Task 4 — Reclaimed Water System Implementation Strategies The objective of this task is to identify and evaluate alternative approaches to implementation of either a low pressure, a pressured or combination reclaimed water system with respect to their applicability for meeting the goals and objectives of Indian River County. Following this initial evaluation, a workshop will be conducted with County staff to reach consensus on a preferred approach for more detailed planning in Tasks 5 and 6 . Subtask 4. 1 — Case Studies of Similar Systems. Develop case studies of up to three other Florida utilities that have developed successful reclaimed water systems similar to that being proposed in Indian River County. Examples of potential case studies include Hillsborough County, the City of Altamonte Springs, and the City of St. Petersburg. Each case study will identify how the reclaimed water distribution system was implemented, including public involvement, revisions to ordinances and development regulations, construction of improvements, methods of financing, and system operation. If possible, the case studies will reflect different approaches to implementation of reclaimed water systems and any regulatory or institutional challenges that were overcome . Subtask 4.2 - Alternative Approaches to Satisfying System Needs . Future water demand and wastewater flow projections will be compared to the projected water supply and wastewater treatment capacity available in each of the service areas in 5 -year increments through 2025 . This evaluation will be used to determine the most limited resource which is now or will act in the future as the economic driver for reclaimed water system expansion . The economic driver may shift over time based on the success of the wastewater reuse program. Determination of the economic. driver will define why the reclaimed water system needs to be expanded and will help to identify who the expanded system will most directly benefit (e. g. water vs . wastewater customers) . This is turn will assist in determining how project costs can be most fairly distributed among System users . The strength of the economic driver will also influence to what extent the use of reclaimed water should be made voluntary or mandatory both now and in the future . S:\041077.003\1RC Reclaimed Water System Implementation PlanWttachment Ldoe October 1 , 2005