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Article 4: Overlay Zoning Districts <br /> Section 4.2: Watershed Protection <br /> <br /> <br />Orange County, North Carolina – Unified Development Ordinance Page 4-11 <br /> <br />as a comprehensive soil assessment for the property. <br />(2) The development/design of the feature shall be in accordance with established <br />design criteria as embodied within the State stormwater manual. Additional <br />allowable impervious surface area shall be based on the soil composition of the <br />property consistent with State regulations. <br />(3) The property owner shall be responsible for the completion and submission of a <br />stormwater operation/maintenance agreement detailing the perpetual <br />maintenance, inspection, and upkeep of the approved BMP in accordance with <br />County and State regulations. This document shall be reviewed by the County <br />Attorney’s office and Engineering, Erosion Control and Stormwater Division staff. <br />Once approved, the document shall be recorded in the Orange County Registrar <br />of Deeds office. <br /> The property owner assumes all financial and legal responsibility for the <br />maintenance and upkeep of the approved BMP. <br />(4) The property owner shall assume all costs associated with the preparation and <br />recordation of new plat(s)/development restrictions detailing the allowable <br />impervious surface limit(s) for the property once the BMP has been approved by <br />the County. <br />4.2.9 Water Supply / Sewage Disposal Facilities <br />TABLE 4.2.9: WATER SUPPLY/SEWAGE DISPOSAL FACILITIES <br />DISTRICT WATER SUPPLY/SEWAGE DISPOSAL <br />UNIV-CA <br />UNIV-PW <br />Water supply and sewage treatment systems shall be limited to individual wells and on-site <br />septic tanks systems or individual on-site alternative disposal systems. <br />All Watershed Overly <br />Districts <br />No new treatment system will be permitted where effluent disposal occurs on a separate lot <br />from the source of wastewater generation; provided, however, off-site systems shall be <br />permitted in all Watershed Overlay Districts except the University Lake Protected <br />Watershed (UNIV-PW) and Critical Area (UNIV-CA) when located in a Flexible Development <br />subdivision approved in accordance with Section 7.13 of this Ordinance. <br />UNIV-CA <br />New septic tanks and their nitrification fields shall be located outside of any stream buffers, <br />or 300 feet from a reservoir or perennial or intermittent stream as shown on the USGS <br />Quadrangle maps, whichever is further <br />CANE-CA <br />U-ENO-CA <br />New septic tanks, pump tanks and their appurtenances shall be located outside of any <br />stream buffers and at least 100 feet from a perennial or intermittent stream as shown on the <br />USGS Quadrangle maps, and at least 150 feet from a reservoir. <br />New nitrification fields shall be located outside of any stream buffers and at least 100 feet <br />from a perennial or intermittent stream as shown on the USGS Quadrangle maps, and at <br />least 300 feet from a reservoir. <br />CANE-PW <br />CANE-CA <br />U-ENO-CA <br />Water supply and sewage treatment systems shall be limited to individual wells and septic <br />tanks or individual on-site alternative disposal systems; provided however, off-site systems <br />shall be permitted when located in a Flexible Development subdivision approved in <br />accordance with Section 7.13 of this Ordinance. <br />UNIV-PW <br />CANE-PW <br />U-ENO-PW <br />HYCO-PW <br />LITTLE-PW <br />BACK-PW <br />HAW-PW <br />JORDAN-PW <br />L-ENO-PW <br />FLAT-PW <br />New septic tanks and their nitrification fields shall be located outside of any stream buffers <br />and at least 100 feet from a perennial or intermittent stream as shown on the USGS <br />Quadrangle maps. <br /> <br />34