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17 <br />10. Given an ability to transfer impervious surface potential as described above, the City of <br />Durham and Durham County would support the multiple classification of the Falls Reservoir <br />watershed, as follows: WS-III for the portions of the watershed including and below the Lick <br />Creek tributary and WS -IV for the portions of the watershed above the Lick Creek <br />tributary. <br />This is based on an assumption that 1) the transfer of "10 percent at 70 percent" impervious <br />surfaces is permitted as described above, and 2) Wake County would be willing to transfer <br />approximately half of its "10 percent at 70 percent" impervious surface to Durham County in <br />order to address Durham's concerns about compatibility with adopted land use plans. <br />11. The City of Durham and Durham County support the proposed WS -IV and B classifications <br />for the Eno River watershed. However, the City and County encourage the Environmental <br />Management Commission to consider changes to the rules for WS-IV run -of - -river water <br />supplies to emphasize stream buffers, spill control and discharge limitations rather than <br />land -based density controls. <br />In the future, the City's emergency water supply on the Eno River may become a valuable, <br />permanent water supply source. Consequently, the watershed protection upstream of this point <br />is important and the City and County support this general intent. However, this is a run -of -river <br />water supply intake supplemented by other water supply sources. The intake can be closed after <br />a storm event so that the first flush of pollutants have an opportunity to flow past the intake. <br />Therefore, the density and impervious surface restrictions in this type of watershed are not as <br />important as stream buffers, spill control and discharge limitations in protecting the water quality. <br />This day of a'Toeo4_ �, 1991. <br />4 <br />