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EXHIBIT A SCOPE OF WORK INDIAN RIVER COUNTY UPPER FLORIDAN AQUIFER MODELING AND CONSUMPTIVE USE PERMIT MODIFICATION This Authorization, when executed, shall be incorporated in and become part of the Contract for Consulting/Professional Services between the Indian River County (County), and CDM Smith Inc. (Consultant), dated December 6, 2011, and the Extension and Amendment of Continuing Contract Agreement for Professional Services, dated November 4, 2014, hereafter referred to as the Contract. BACKGROUND The County owns and operates two Water Treatment Plants (WTP) which currently operate with 15 existing Upper Floridan Aquifer (UFA) production wells. The South County WTP relies on six existing (and one proposed) UFA production wells, while the North County WTP relies on nine existing UFA production wells. The County's existing Consumptive Use Permit (CUP) allows for a total, combined groundwater withdrawal allocation of 12.838 million gallons per day (mgd) with 6.4 mgd from the South County wellfield and 6.438 mgd from the North County wellfield (maximum withdrawal in year 2021) In 2009, the County completed a substantial expansion of the North County WTP to add five functional production skids (1 additional constructed, but not equipped with membranes for treatment). When operating at full capacity (seven treatment skids), the North County WTP would require approximately 12.6 mgd of raw groundwater. The ability to operate the WTP at capacity is limited by the 6.438 mgd North County wellfield groundwater allocation in the existing CUP. The County plans to modify the existing CUP to allow for full operation of the North County WTP and reflect the North County WTP as the primary production facility (with South County used as needed). The North County wellfield is historically more productive than the South County wellfield, and the newer North County WTP can be operated more efficiently than the South County WTP. The overall CUP combined average day withdrawal will not be significantly increased. The modification to the CUP described above will require revisions to the UFA groundwater model to include the increased allocation in the North County wellfield, to determine the impacts on existing legal and neighboring users (to the extent where information is available for non -CUP wells) and other potential water resources constraints. The following is the scope of services to be provided under this authorization for both the UFA model development and the CUP permit modification for submittal to the St. Johns River Water Management District (SJRWMD). SCOPE OF SERVICES Consultant will perform the following task services: TASK 1.0 COORDINATION WITH SJRWMD Subtask 1.1 Pre -Application Conference In accordance with the SJRWMD Applicant's Handbook, Consultant will request a pre -application conference with SJRWMD permitting staff to discuss the proposed modeling approach, need for the QUO Smith A-1 jj1703_Ltr with Exhibits.doc