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Kittitas County,WA <br /> § 17A.04.030 CRITICAL AREAS § 17A.04.030 <br /> and undisturbed condition to ensure that they perform their intended function of protecting the <br /> FWHCA. Tree removal is prohibited in RMZs and FWHCA buffers other than in accordance with <br /> 17A.01.050.3.i&j. <br /> 6. Standard riparian management zones for waters of the state. <br /> Table 17A.04.030.6 Standard RMZ Widths <br /> Kittitas County Nonshoreline Rivers, Streams,Lakes and Ponds(does not include building <br /> setback [KCC § 17A.01.090.5]) <br /> Riparian Management Zone Widths',',' <br /> Stream Type <br /> Type S(Shoreline) See the SMP <br /> Type F 1 SPTH from OHWM/CMZ/Floodplain Minimum 100' <br /> Type Np 1 SPTH from OHWM/CMZ/Floodplain Minimum 100' <br /> Type Ns 100, <br /> ' Interrupted RMZs: When a fish and wildlife habitat conservation area RMZ contains an existing <br /> legally established public or private road, the Director may allow an alteration or development <br /> on the landward side of the road provided that the alteration or development will not have a <br /> detrimental impact to the habitat area.The Director may require a habitat management plan if-after <br /> considering the hydrologic, geologic, and/or biological habitat connection potential and the extent <br /> and permanence of the buffer interruption- such a plan is deemed necessary to confirm the lack of <br /> detrimental impact on the habitat area. <br /> 2 Multiple RMZs or buffers: In the event that RMZs and/or upland habitat buffers for any <br /> fish and wildlife habitat conservation area are contiguous or overlapping,the most protective of <br /> the collective RMZs shall apply. <br /> 'Forested ecoregions are well-suited for using SPTH2O0 consistently to establish RMZ widths, and <br /> so for these areas, landowners and land managers can rely on the SPTH2O0 information provided in <br /> WDFW's SPTH mapping tool. When neither SPTH2O0 or the extent of the riparian vegetative <br /> community is at least 100 feet,RMZ shall be a minimum of 100 feet to achieve 95%or more removal <br /> efficacy of phosphorus, sediment, and most pesticides consistent with BAS Volume 2, Riparian <br /> Ecosystems Management Recommendations, specifically section 2.3.4 Determining RMZ width& <br /> section 2.3.5 Width delineation steps. <br /> 7. Increased RMZs or Upland Habitat Buffers. The Director shall increase the fish and wildlife habitat <br /> conservation area RMZ or upland habitat buffer width where the standard widths are inadequate to <br /> prevent significant adverse environmental impacts or to address hazards associated with the site or the <br /> proposed alteration or development or to give special consideration for anadromous fish. The Director <br /> may increase the RMZ or upland habitat buffer consistent with BAS.The Director shall consider increasing <br /> the RMZ or upland habitat buffer when any of the following conditions are present: <br /> a. The project site is within or adjacent to documented anadromous fish spawning or rearing <br /> habitat; <br /> b. The composition,quality and density of the buffer vegetation is insufficient to protect the habitat <br /> Downloaded from https:Hecode360.com/KI6857 on 2025-05-15 <br />