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064. <br /> SITE INVESTIGATION <br /> Wolfe Property <br /> Orange County, North Carolina <br /> Dr. Walter Wolfe and Ms. Terrie Wolfe have purchased a 27-acre tract of <br /> land off Dobson's Crossroads in the southwestern portion of Orange County, <br /> North Carolina. The tract contains a mix of soils. The Wolfe family desires <br /> to divide the property into several single family home sites. The Orange <br /> County Health Department has evaluated the property and found only a small <br /> portion of the area to be suitable for design and development of either <br /> conventional or alternative subsurface wastewater treatment and disposal <br /> facilities. Optimum development potential for this property may require the <br /> development of both subsurface wastewater treatment and disposal systems on <br /> portions of the site where soil and site conditions permit and development of <br /> slow rate spray irrigation systems on those areas where the subsurface <br /> . wastewater treatment and disposal facilities will not function properly. <br /> There are two purposes for the brief report which follows. The first is <br /> to describe conditions encountered on the proposed wastewater receiver sites. <br /> The second is to make recommendations regarding appropriate uses and hydraulic <br /> and constituent loadings for those areas. <br /> Topography <br /> The site was characteristic of the slate belt region of the piedmont <br /> physiogeographic province of the state. Slopes ranged from nearly level to <br /> flat over much of the site to approximately 3 to 5 percent over other areas. <br /> Some topography or relief is necessary to provide a gradient along which <br /> applied constituents will move. The lack of a gradient on this site is <br /> considered to be a major limitation to design or development of subsurface <br /> wastewater treatment and disposal facilities on this property. The area where <br />