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9 <br />Triangle Regional Water Supply Plan — Executive Summary <br />The JLP Recommended Alternative meets the region's cumulative 2060 water supply needs of 294 MGD <br />with 36.4 MGD of new allocations from Jordan Lake, and development of about 63 MGD in water supply <br />from increased and new withdrawals from river sources, increased and new supplemental quarry <br />storage and a new reservoir on the Little River in eastern Wake County. Implementation of the JLP <br />Recommended Alternative would decrease the existing net interbasin transfer from the Neuse River <br />Basin to the Cape Fear River basin. <br />Currently, 63 percent of Jordan Lake's water supply pool has been allocated (a 1 percent storage <br />allocation is estimated to yield approximately 1 MGD of average day supply). The JLP Recommended <br />Alternative includes the same or increased allocations for all existing allocation holders (each is also a <br />member of the JLP), as well as new allocations for several of the Partners. While the JLP is planning for <br />2060, the next round of Jordan Lake allocations (Round 4) will be based on 2045 needs. Table 1 <br />presents current allocations and the total Jordan Lake allocation needs for 2045 (proposed Round 4 <br />allocation requests) and 2060. <br />Table 1. JLP Recommended Alternative Jordan Lake Allocations (MGD). <br />Apex <br />. <br />Cary 23.5 <br />28.6 <br />,, <br />; <br />Morrisville <br />Wake County (RTP South) <br />Chatham County - N 6 <br />13 <br />18.2 <br />Durham 10 <br />16.5 <br />16.5 <br />OWASA <br />Orange County <br />Holly Springs <br />Hillsborough <br />Pittsboro i <br />Raleigh &Merger Partners i <br />i <br />i <br />Sanford <br />TOTALAP 63 <br />91.2 <br />99.4 <br />Table 2 summarizes additional water supply (62 -64 MGD) from sources other than Jordan Lake in the JLP <br />Recommended Alternative. While most of the sources are expansions of existing water supplies, about <br />41 MGD of the proposed water supply — nearly half of the 95 MGD in new supplies needed to meet <br />regional 2060 demands — will come from a combination of new projects that are planned by the City of <br />Raleigh. <br />l: <br />