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i <br /> I <br /> species, 14"DBH or greater or 18" or greater stump diameter, and for hardwood'',, <br /> or wetland species, 16"DBH or greater, or 24"or greater stump diameter. <br /> V. Industrial discharge-the discharge of industrial process treated wastewater or <br /> wastewater other than sewage. Stormwater shall not be considered to be an <br /> industrial wastewater unless it is contaminated with industrial wastewater. <br /> Industrial discharge includes: <br /> 1. wastewater resulting from any process of industry or manufacture, m <br /> from the development of any natural resource; <br /> 2. wastewater resulting from processes of trade or business, including <br /> wastewater from laundromats and car washes, but not wastewater from <br /> restaurants; or <br /> 3. wastewater discharged from a municipal wastewater treatment plant <br /> requiring a pretreatment program. <br /> W. Intermittent stream-a well defined channel that contains water for only part of <br /> the year,typically.during winter and spring when the aquatic bed in below the <br /> water table. The flow may be heavily supplemented by stormwater runoff. An <br /> intermittent stream often lacks the biological and hydrological characteristics <br /> commonly associated with the continuous conveyance of water. <br /> X. Land-disturbing activity-any use of the land that results in a change in the <br /> natural cover or topography that may cause or contribute to sedimentation. <br /> Y. Major variance- a variance from the minimum statewide watershed protection <br /> rules that results in the relaxation, by a factor greater than five percent of any <br /> buffer, density, or built upon area requirement under the high density option; any <br /> variation in the design, maintenance or operation requirements or a wet detention <br /> pond or other approved stormwater management system; or relaxation by a facto$ <br /> greater than ten percent, of any management required under the low density <br /> option. <br /> Z. Minor variance- a variance from the minimum statewide watershed protection <br /> rules that results in the relaxation, by a factor up to five percent of any buffer, <br /> density, or built upon area requirement under the high density option; or that <br /> results in a relaxation by a factor up to ten percent, of any management required <br /> under the low density option. <br /> AA. Modified natural stream-an on-site channelization or relocation of a <br /> stream channel and subsequent relocation of the intermittent or perennial flow as <br /> evidenced by topographic alterations in the immediate watershed. A modified <br /> natural stream must have the typical biological, hydrological and physical <br /> characteristics commonly associated with continuous conveyance of water. <br /> BB. Nonpoint source pollution-pollution which enters waters mainly as a <br /> result of precipitation and subsequent runoff from lan ds which have been <br /> disturbed by man's activities and includes all sources of water pollution which are <br /> not required to have a permit in accordance with G.S. 143-215.1(c). <br /> 4 <br />