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a. The minimum width of the buffer at any given point is at least seventy five percent <br />(75%) of the standard width per the Table at KCC 17B.05.050-1, or twenty-five (25) <br />feet, whichever is greater; <br />b. The net buffer area (acreage) after averaging is the same as the buffer area without <br />averaging; and <br />c. The area that is added to the buffer to offset the reduction is well-vegetated. The <br />Administrator may require vegetation enhancement if needed to ensure this criterion <br />is met. <br />6. Where possible, development and uses within the urban conservancy, rural conservancy, <br />and natural designations shall be situated to avoid or minimize impacts to forest habitat <br />and other relatively undisturbed native vegetation communities. <br />(Ord. 2016-006, 2016) <br /> <br />17B.05.060 Water quality, stormwater, and nonpoint pollution. <br />The following section applies to all uses and development in shorelines of the state, as defined <br />in WAC 173-26-020, that affect water quality. To ensure mutual consistency between shoreline <br />management provisions and other regulations that address water quality and stormwater quantity, <br />including public health, stormwater, and water discharge standards, the regulations that are most <br />protective of ecological functions shall apply. <br />A. Policies. Pursuant to RCW 36.70A.480, the water quality, stormwater, and nonpoint pollution <br />policies of the 2016 2021 Kittitas County Shoreline Master Program shall be considered as <br />policies of the Kittitas County Comprehensive Plan. <br />B. Regulations. <br />1. Shoreline use and development shall incorporate measures to protect and maintain surface <br />and groundwater quantity and quality in accordance with all applicable laws. <br />2. New uses and developments shall provide stormwater management facilities designed, <br />constructed, and maintained in accordance with the current stormwater management <br />standards. Deviations from these standards may be approved where it can be <br />demonstrated that off-site facilities would provide better treatment, or where common <br />retention, detention and/or water quality facilities meeting such standards have been <br />approved as part of a comprehensive stormwater management plan. <br />3. Best management practices for control of erosion and sedimentation shall be implemented <br />for all use and development proposals in shorelines through an approved temporary <br />erosion and sediment control (TESC) plan, identified in the Stormwater Management <br />Manual for Eastern Washington, as amended. <br />4. On-site sewage systems shall be located, designed and maintained to meet all applicable <br />water quality, utility, and health standards. <br />5. All building materials that may come in contact with water shall be constructed of <br />untreated wood, cured concrete, or steel. Materials used for decking or other structural <br />components shall be approved by applicable state agencies for contact with water to avoid <br />discharge of pollutants. Wood treated with creosote, arsenate compounds, copper <br />chromium arsenic or pentachlorophenol is prohibited in shoreline water bodies. <br />6. Permanent stormwater management systems serving property within the shoreline shall be <br />designed using BMP’s ensuring water quality treatment in compliance with the Stormwater <br />Management Manual for Eastern Washington to prevent stormwater runoff from <br />degrading or adding to the pollution of recipient waters or adjacent properties.