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ATTACHMENT A SCOPE OF WORK INDIAN RIVER COUNTY ALTERNATIVE WATER SUPPLY MASTER PLAN BACKGROUND The Indian River County (County) Department of Utility Services has recently been approached by Soil and Water Conservation District (SWCD), the Agricultural Advisory Committee (AAC) and the Indian River Citrus League with concerns surrounding the pending North County Water Treatment Plant (WTP) expansion project. The concerns focus on the neighboring land owners, including several functioning citrus groves to the west (upstream) of the WTP, and several smaller residential sites. Many of these properties continue to utilize the artesian flow wells for both irrigation and potable use that were installed by the original citrus farmers. The County has been working diligently with these groups to ensure that no adverse impacts are experienced by the neighboring well owners as a result of the expansion project. Currently, the North County WTP consists of 2 reverse osmosis (RO) treatment skids and 3 production wells. The expansion is planned to include the addition of three RO treatment skids. To provide raw water for the new skids, an additional three production wells are needed. The County has submitted a Consumptive Use Permit (CUP) modification request to the St. Johns River Water Management District (SJRWMD) requesting the three wells as well as a temporary CUP (TCUP) that will allow for construction of the new wells prior to issuance of the final CUP permit. In the future, an additional expansion will be required to accommodate growth within the County. The future expansion would involve installing an additional three RO treatment skids and the corresponding three production wells (for a total of eight skids and nine wells at buildout) . The SWCD has requested that once the TCUP and subsequent CUP are issued (as is anticipated) for the first three wells, the County explore alternative water supply sources to eliminate the need for the final three wells. As such, the County has requested assistance from CDM to identify possible alternatives to using Upper Floridan Aquifer (UFA) wells/ water, develop a comparative budget-level cost analysis for each including the resulting impact on the current rate structure (on a cost per 1,000 gallon basis), determine the feasibility of implementing each option, the schedule that would be required to implement each option, and identify the pros and cons of each option . Services to be provided under this authorization are provided below. SCOPE OF SERVICES CDM will perform the following task services . TASK 1.0 IDENTIFICATION OF POTENTIAL ALTERNATIVE WATER SUPPLIES CDM will work with County staff and SWCD board members to identify up to five alternative water supplies within the County that would potentially be suitable for potable use. CDM will A-1 mh2582 Alt kdoc