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<br /> <br />Kittitas County Shoreline Master Program <br />Chapter 5 67 <br />March 7, 2016 <br />Kittitas County Board of County Commissioners Shoreline Master Program Adopting Ordinance <br />Kittitas County Shoreline Master Program Exhibit A | March 2016 | Page 67 of 339 <br />Category and <br />Type of <br />Impacted <br />Wetland <br />Restoration or <br />Creation1,2 Rehabilitation1,2 Enhancement <br />Only1,3 <br />Category II, <br />forested 4:1 8:1 16:1 <br />Category II, <br />vernal pool4 2:1 4:1 Case-by-case <br />All other <br />Category II 3:1 6:1 12:1 <br />All Category III 2:1 4:1 8:1 <br />All Category IV 1.5:1 3:1 6:1 <br /> <br />1Natural heritage sites, alkali wetlands, and bogs are considered irreplaceable wetlands because they perform <br />special functions that cannot be replaced through compensatory mitigation. Impact to such wetlands would therefore <br />result in a net loss of some functions no matter what kind of mitigation is provided. <br />2Provides gains in a whole suite of functions both at the site and landscape scale. Rehabilitation actions often focus <br />on restoring environmental processes that have been disturbed or altered by previous ongoing human activity. <br />3Actions which provide gains in only a few functions. Enhancement action often focuses on structural or superficial <br />improvements to a site and generally does not address larger scale environmental processes. <br />4Compensatory mitigation for vernal pool impacts must be seasonally ponded wetland area(s). <br /> <br />8. Increased replacement ratios: The Administrator shall increase the wetland <br />mitigation ratios under the following circumstances: <br />a. Uncertainty exists as to the probable success of the proposed restoration or <br />creation; <br />b. A significant period of time will elapse between impact and replication of wetland <br />functions; or <br />c. Proposed mitigation will result in a lower category wetland or reduced functions <br />relative to the wetland being impacted. <br /> <br />9. Alternative mitigation ratios: The Administrator may approve different mitigation <br />ratios when the applicant proposes a combination of wetland creation, restoration, <br />rehabilitation, and/or enhancement, provided that federal and state resource <br />agencies approve the mitigation plan and the plan achieves no net loss of wetland <br />functions and values. <br /> <br />10. Mitigation ratios for wetland buffer impacts: <br />a. To mitigate impacts to functions and values of buffers, a minimum buffer ratio of <br />1:1 (alteration area:mitigation area) is required. This ratio assumes that <br />creation/restoration of a wetland buffer with appropriate native vegetation is <br />sufficient to compensate for the wetland buffer functions and values affected by <br />alteration of an existing wetland buffer. If enhancement of an existing wetland