Agenda - 08-06-1990 - Laserfiche WebLink

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52,000 persons. 18 The Mason-Farm, waste treatment plant serves the Chapel Hill - Carrboro area and has a treatment capacity of 8.0 MGD (million gallons per day). The population served by the plant is 45,000 and the average' daily wastewater load is 5.2 MGD. OWASA has defined its current service area -- areas with water and sewer lines in place, or areas where extension of existing lines can be easily accommodated. OWASA has also delineated tentative future service- areas -- where lines might be extended in the future, but at considerable expense. In looking at possibilities for water and sewer extensions, it is im- portant to look at drainage basins. There are four main drainage basins in the Chapel H111 /Carrboro area: B011n Creek_f}CsIn, containing developed' and developing areas to the northwest and east of Chapel Hlll.and north of Carrboro. - L containing newly developing areas to the south. containing undeveloped or sparsely developed areas west of Carrboro. New containing developing areas to the north. Bolin Creek and Lower Morgan Creek basins can all be served, ultimately, by a gravity sewer collection system that will feed into OWASA's existing wastewater treatment facility. Sewer lines have not been extended into the University Lake Basin and Orange County, Chapel Hill and Carrboro have committed to keeping this basin sparsely developed in order to protect the area's water supply. Significant questions are being posed, however, about whether or not sewer service should be extended into the New Hope Creek basin to the north since substantial portions of Duke Forest are located there. Extensive development in that basin may upset-the research and educational aspects of that resource. Maps of these basins and existing land use shows a great deal of undeveloped land in the Bolin Creek basin, most of it northwest of Chapel Hill and, north of Carrboro. There is also considerable undeveloped land in the Lower Morgan Creek Basin to the south. These are all areas that can be served by gravity sewer systems. The New Hope Creek basin cannot easily be served since it is "over the ridge" from the existing wastewater collection system and treatment plant. Alternative means of providing wastewater collection, treatment and disposal services in the New Hope Creek b.asin are: - Major pump station and force main - Limited number of smaller, Interim pump stations - Construction of a new wastewater treatment facility - Series of private package treatment facilities - Individual on -site wastewater disposal. systems 32