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FOOTNOTES - EXPLANATION OF CERTAIN STANDARDS REQUIRED BY STATE RULES <br />a) D fining Boundaries <br />The Haw River watershed is classified as a "run -of -the- river" water supply. The protected area <br />extends 10 miles from the intake point at US 151501, or to the ridgeline of the watershed, <br />whichever comes first. The critical area extends one mile from the intake or to the ridgeline of <br />the watershed, whichever comes first. <br />The boundaries of the critical area or protected may be extended by the local government. <br />Major landmarks such as roads or property lines may be used to delineate the boundaries if they <br />are immediately adjacent to the ridgeline of 1 -mile boundary as appropriate. <br />Local governments are responsible for delineating the protected area. The boundaries must be <br />submitted by the local government using 1:24,000 USGS topographic maps. <br />None of the critical area is located within Orange County's jurisdiction. <br />b) Stormwater Controls <br />Engineered stormwater control is required for a jurisdiction to exercise the high - density option. <br />The only engineered controls which may be used for high - density residential development is wet <br />water detention ponds. <br />Stormwater controls for non - residential developments are not limited to wet water detention <br />ponds, but must be handled on a case -by -case basis. <br />It is the responsibility of local government to assure the proper operation and maintenance of <br />engineered stormwater controls. The local government: <br />- must inspect the controls at least once a year; <br />must maintain records of inspections, <br />may charge reasonable inspection fees; and <br />must require posting of security for maintenance <br />If the system fails to junction 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 />C) 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 25' of the buftr 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 />d) Use and Storage of Hazardous Materials <br />M- <br />