Agenda - 03-02-2006-7b - Laserfiche WebLink

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townhouse/multi-family construction with lower demands per unit for water and wastewater service, may offer additional margins of safety,. The existing reservoir/quarry water supply system and its future expansion can meet the buildout needs of the Carrboro/Chapel Hill/iJniversity cormmunity, including a certain level of additional development density; however, our community will become more vulnerable to severe drought conditions begiiming around 2015 until the Stone Quarry expansion is available for water storage in the mid-20.30s,. This vulnerability can be lessened by reducing projected water demands -especially through such essential programs as the OWASA/IJNC reuse project -and/or by developing additional supply sources. However, the primazy goal of OWASA's long-range conservation program is to reduce water shortage risks without having to rely on additional sources. The effects of increased development densities on wastewater treatment capacity are mare complex than effects on the water system, Wastewater treatment capacity is affected by both the volume and quality of wastewater flow, The total maximum daily load (TMDL) restrictions for nitrogen and phosphorus that will be set forth in Jordan Lake rules that the North Cazolina Environmental Management Commission is expected to consider later this year may ultimately limit the amount of development that can be accommodated in the Carrboro-Chapel Hill urban services area, Meeting the needs of additional density while still maintaining the level of service desired by OWASA's customers will require additional and ongoing collaboration among OWASA, local governments, and the development community, ~i~ Edward A. Holland, AICP Plamiing Director OWASA -Water and Server Capacit)+ Lnplications of Lvcrerrserf Development Density Page /8 of 3l