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Re"Agendam <br />INDIAN RIVER COUNTY, FLORIDA <br />DEPARTMENT OF UTILITY SERVICES <br />Date: <br />October 24, 2018 <br />To: <br />Jason E. Brown, County Administrator <br />From: <br />Vincent Burke, P.E., Director of Utility Services <br />Prepared By: <br />Cindy Corrente, Utility Finance Manager <br />Eric Charest,.Environmental Compliance Analyst <br />Arjuna Weragoda, P.E., Capital Projects Manager <br />Subject: <br />Surface Water Supply Topic <br />DESCRIPTIONS AND CONDITIONS: <br />On October 23, 2018, the Indian River County Board of County Commissioners (BCC) requested staff <br />obtain more details on a rate adjustment to facilitate the potential for a surface water supply to serve a <br />portion of the future potable water needs of the residents of Indian River County. <br />ANALYSIS: <br />The County currently operates two nanofiltration Water Treatment Plants (WTPs) that are supplied by a <br />total of 16 production wells constructed into the Upper Floridan Aquifer (UFA). The expansion of the <br />North County WTP, completed in 2009, provided the County with an installed treatment capacity that <br />exceeds the Consumptive Use Permit (CUP) allocation to supply the facility. Under the CUP, the County <br />is restricted to an annual average withdrawal of 12.84 million gallons per day (MGD) combined raw <br />water withdrawal from the 16 production wells, yet there is ample treatment capacity at both water <br />treatment plants (approximately 21 MGD finished water) to serve the County for the next ten (10) years. <br />Currently the Indian River County. Department of Utility Services (IRCDUS) is pursuing a modification to <br />the CUP allocation to be in-line with the WTPs' capacity. Therefore, the County has not programmed any <br />surface water treatment reservoir projects in the five-year capital improvement horizon. However, the <br />County has previously evaluated potential options for an alternative source of water other than the UFA. <br />In 2007, IRCDUS developed an Alternative Water Supply Master Plan, which included an evaluation of a <br />fresh surface water/reservoir component. Also, in 2014 and 2015, IRCDUS undertook two (2) surface <br />water supply evaluations. One was located in the north part of the unincorporated Indian River County <br />and the other in the south. The three studies evaluated pros/cons, opinion of probable cost and <br />recommendations. In addition to cost, any property purchased for a surface water reservoir, at a <br />minimum, will require the following criteria evaluated: <br />• Land Use, Zoning and Off-site Improvements <br />✓ Existing/future land use and zoning <br />✓ Special development regulations <br />119 <br />Pagel of 4 <br />C:\Users\legistar\AppData\Local\Temp\BCL Technologies\easyPDF 8\@BCL@68233F7B\@BCL@68233F7B.docx <br />