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UNIVERSITY LAKE WATERSHED <br />must require posting of security for maintenance <br />If the system fails to function properly, the local government must order the owning entity to <br />correct the problem, and may impose civil penalties and pursue other available remedies. <br />e) Stream Buffers <br />Stream buffers of 100' feet are required on both sides of perennial streams. It is recommended <br />(but not required) that the first ZY of the buffer remain as natural vegetation. No new <br />development is allowed in the buffer. Public projects such as road crossings and greenways may <br />be allowed where no practicable alternative exists. <br />It is recommended by the Rules that construction of roads within the Critical Area be avoided <br />to extent practicable, and that impervious surface be minimized in the construction of roads, <br />bridges, and non - residential development. <br />J) Use and Storage of Hazardous Materials <br />An inventory of all hazardous materials used and stored in the watershed must be maintained. <br />A containment plan in the event of spill of failure, and appropriate safeguards against <br />contamination are required. <br />III. ISSUES <br />A. The WS Il classification proposed by the State matches that requested by all three <br />jurisdictions (Orange County, Chatham County and Carrboro). <br />B. The critical area proposed in the Rules is larger than what is now defined as the Water <br />Quality Critical Area (WQCA). The Land Use Plan Map and the Joint Planning Area <br />Land Use Plan Map would have to be revised to expand the area designated as WQCA. <br />Also, Land Use Element of the Comprehensive Plan, the Joint Planning Area Land Use <br />Plan and the Zoning Ordinance would have to be amended to redefine the WQCA. <br />C. Existing density standards are more restrictive than those proposed in the State Rules. <br />Local jurisdictions do have the authority to adopt or maintain standards which exceed the <br />minimum required by the State Rules. <br />D. The proposed Rules do not address a sliding -scale approach to impervious surface. In <br />this watershed only, Orange County recognizes gravel surfaces as "impervious ". <br />E. The minimum stream buffer would be increased from 50' to 100'. This could have a <br />substantial impact on existing lots that have limited buildable area, particularly those <br />created prior to adoption of current zoning standards which may not meet current <br />minimum lot size requirements. <br />Ki <br />