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Kittitas County, WA $ 174.04.040 CRITICALAREAS $ 174.04.050 conservation area,RNlz, or buffer may be altered only if the proposed alteration of the habitat andlor any required compensatory mitigation does not degrade the functions and values of the habitat. 2. Mitigation requirement. Mitigation of alterations to fish and wildlife habitat conservation areas and their buffers shall meet the requirements of KCC $ 17A.04.030. 3. Anadromous fish. All alterations and development proposed to be located in aquatic fish and wildlife habitat conservation areas used by anadromous fish or in areas that affect such aquatic habitat areas shall give special consideration to the preservation and enhancement of anadromous fish habitat, including, but not limited to, adhering to the following standards: a. An alternative alignment or location for the alteration or development is not feasible; b. The alteration or development is designed so that it will not degrade the functions or values of the fish habitat or other critical areas; c. Stream bank erosion control measures shall be designed to use bioengineering methods or soft armoring techniques, according to the WDFW Integrated Stream Bank Protection Guidelines (WDFW,2003) (an approved habitat management plan, and d. Any impacts to the functions or values of the aquatic fish and wildlife habitat conservation area are mitigated in accordance with a habitat management plan. 4. Timingrestrictions. a. Fish. In-water work alteration or development shall be timed to occur only during the allowable work window as designated by the Washington State Department Fish and Wildlife (WDFW) for the applicable species and aquatic fish and wildlife habitat conservation area type. b. Wildlife. The County shall impose limitations on construction activities during breeding and/or nesting periods for priority species when necessary to protect the species and avoid adverse impacts. Appropriate timing restrictions for wildlife species shall be based upon best available science and WDFW recommendations. (Ord.2021-016,2021) $ 17A.04.050. Permitted alterations and development. The following alterations and development may be permitted in fish and wildlife habitat conservation areas and/or their riparian management zones or buffers when all feasible measures have been taken to avoid and mitigate adverse effects on species and habitats and a net loss of habitat functions will not occur. 1. Clearing and grading. When clearing and grading is permitted in a fish and wildlife habitat conservation area or its associated RMZ or buffer as part of an authorized alteration or development or as other allowed in these standards, the following shall apply: a. Grading is allowed only during the dry season, as determined by the Director; b. Clearing and grading shall be limited to the minimum necessary to accomplish the alteration or development; and c. Erosion and sediment control will meet or exceed the standards set forth in the current version of the Stormwater Manual for Eastem Washington. 2. Stream bank stabilization. Stream bank stabilization and protection shall be permitted subject to all Downloaded from https://ecode360.com/K16857 on 2025-05-15