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17 <br /> (B) Hillsborough Economic Development District <br /> (1) The Hillsborough Economic Development District is located within the Lower Eno <br /> - Unprotected watershed. Within the Hillsborough Economic Development <br /> District, as designated in the Land Use Element of the Comprehensive Plan, the <br /> maximum impervious surface ratio is 50%with detention ponds. <br /> TABLES 4.2.5.2&4.2.5.3: SLIDING SCALE FOR RESIDENTIAL IMPERVIOU <br /> UNIV,CANE, LITTLE,AND UPPER ENO a <br /> LOT SIZE(ACRES) ISR SQUARE FEET LOT SIZE(ACRES) ISR SQUARE FEET <br /> Cells in black DO NOT apply to the Upper Eno <br /> 1 3.1 9.8 13,234 <br /> �.' 3.0 10.0 13,068 <br /> • 2.9 10.2 12,885 <br /> 2.8 10.4 12,685 <br /> 2.7 10.6 12,467 <br /> 2.6 10.8 12,232 <br /> 2.5 11.0 11,979 <br /> 2.4 11.2 11,709 <br /> 2.3 11.4 11,421 <br /> 2.2 11.6 11,116 <br /> • 2.1 11.8 10,794 <br /> 5.0 6.0 13,068 2.0 12.0 10,454 <br /> 4.9 6.2 13,234 1.9 12.2 10,097 <br /> 4.8 6.4 13,381 1.8 12.4 9,723 <br /> 4.7 6.6 13,512 1.7 12.6 9,331 <br /> 4.6 6.8 13,625 1.6 12.8 8,921 <br /> 4.5 7.0 13,721 1.5 13.0 8,494 <br /> 4.4 7.2 13,880 1.4 13.2 8,050 <br /> 4.3 7.4 13,861 1.3 13.4 7,588 <br /> 4.2 7.6 13,904 1.2 13.6 7,109 <br /> 4.1 7.8 13,930 1.1 13.8 6,612 <br /> 4.0 8.0 13,939 1.0 14.0 6,098 <br /> 3.9 8.2 13,930 0.9 14.2 5,567 <br /> 3.8 8.4 13,904 0.8 14.4 5,018 <br /> 3.7 8.6 13,861 0.7 14.6 4,452 <br /> 3.6 8.8 13,800 0.6 14.8 3,868 <br /> 3.5 9.0 13,721 0.5 15.0 3,267 <br /> 3.4 9.2 13,625 0.4 15.2 2,648 <br /> 3.3 9.4 13,512 0.3 15.4 2,012 <br /> 3.2 9.6 13,382 0.2 15.6 1,359 <br /> 4.2.5 Impervious Surface and Lot Size Requirements for Non-Residential Uses <br /> Unless otherwise noted in the Table below, minimum lot sizes shall be in conformance with the <br /> underlying zoning district. <br />