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• The land area in the Ugper Eno watershed (straight line distance) within <br />one-half mile of the normalpool elevation (NPE), or nearest available <br />contour line used for the calculation, of an existing Class 1 or Class li <br />reservoir or proposed water supply reservoir designated for protection, <br />or the ridgeline of the sub-watershed. whichever is less; and <br />• The land area within one-half mile on each side for an upstream <br />distance of 2.5 miles (straight line distance) of any fifth order or higher <br />stream flowing into a Class I reservoir, or the ridgeline of the sub- <br />watershed, whichever is less: and <br />• The land area within one-half mile on each side of a fourth order or <br />higher stream flowing between anv Class II and Class I reservoir; and <br />• The land area within one-half mile on each side for an upstream <br />distance of 1.5 miles (straight line distance) of a third or fourth order <br />stream flowing directly into anv Class I reservoir; and <br />• The land area within one-half mile on each side for an upstream <br />distance of 1.0 mile (straight line distance) of a third or fourth order <br />stream flowing into a fourth order or higher stream that is within 1.0 <br />miles (straight line distance) of a Class I reservoir; and <br />• Any isolated areas within the critical area boundary. <br />• Areas designated as Transition Areas on the Land Use Element Map of <br />the Orange County Comprehensive Plan are excluded from designation <br />as a Critical Area, except for land areas located within one-half mile , <br />from the normal pool elevation of a Class l reservoir. <br />The designation of "Protected" agglies to areas of watersheds classified as <br />WS-ll, WSIII, or WS-IV outside of areas designated as "Critical Area." <br />