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HAW RIVER WATERSHED <br />An inventory of all hazardous materials used and stored in the r,wershed must be maintained. <br />A containment plan in the event of spill of failure, and appropriate safeguards against <br />contamination are required. <br />M. ISSUES <br />A. Orange County requested a classification of WS M. Chatham County (including <br />Pittsboro) also requested WS M. Alamance County requested a classification of WS N. <br />B. The watershed is not now classified as a protected watershed. The Land Use Plan and <br />the Zoning Ordinance would have to be amended to define the watershed boundary. A <br />new or revised zoning district and/or zoning overlay would have to be created to specify <br />the new standards. The density standards would not require revision, as they are already <br />more restrictive than required for a WS IV watershed. <br />C. There is currently no impervious surface limit. This could create some problems in <br />development of existing lots which are smaller than 1 acre under the low- density option, <br />particularly those which would require long driveways to access building sites. <br />D. Stream buffers of 100, would be required. This could have an impact on existing lots <br />that have limited buildable area, particularly those created prior to adoption of zoning <br />regulation (1981) which do not meet current minimum lot size requirements. <br />E. Operation and maintenance of detention ponds or other engineered stormwater controls <br />used to exercise the high - density option will require oversight by the County. This will <br />require development and implementation of a monitoring program by the Erosion Control <br />Division and/or County Engineer. <br />F. Local governments are permitted to extend "protected areas" in certain cases. For <br />consistency and administrative purposes, the protected area arc might be fitted to roads <br />or natural features. <br />iA <br />