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Kittitas County, WA $ r74.04.030 6. CRITICALAREAS $ 17A.04.030 and undisturbed condition to ensure that they perform their intended function of protecting the FWHCA. Tree removal is prohibited in RMZs and FWHCA buffers other than in accordance with 17A.01.0s0.3.i & j. Standard riparian management zones for waters of the state. Table 17A.04.030.6 Standard RMZ Widths Kittitas County Nonshoreline Riversn Streams, Lakes and Ponds (does not include building setback IKCC $ 17A.01.090.51) Ripa rian Managemen t Zone Widths r'2'3 Stream Type Type S (Shoreline) Type F Type Np Type Ns See the SMP I SPTH from OIIWIWCMZ/Floodplain I SPTH from OTIWIWCMZ/Floodplain 100' Minimum 100' Minimum 100' ' Interrupted RMZs: When a fish and wildlife habitat conservation area RMZ contains an existing legally established public or private road, the Director may allow an alteration or development on the landward side of the road provided that the alteration or development will not have a detrimental impact to the habitat area. The Director may require a habitat management plan if - after considering the hydrologic, geologic, andlor biological habitat connection potential and the extent and permanence of the buffer interruption - such a plan is deemed necessary to confirm the lack of detrimental impact on the habitat area. ' Multiple RMZs or buffers: In the event that RMZs and/or upland habitat buffers for any fish and wildlife habitat conservation area are contiguous or overlapping, the most protective of the collective RMZs shall apply. ' Forested ecoregions are well-suited for using SPTH200 consistently to establish RMZ widths, and so for these areas, landowners and land managers can rely on the SPTH200 information provided in WDFW's SPTH mapping tool. When neither SPTH200 or the extent of the riparian vegetative community is at least 100 feet, RMZ shall be a minimum of 100 feet to achieve 950lo or more removal efficacy of phosphorus, sediment, and most pesticides consistent with BAS Volume 2, Riparian Ecosystems Management Recommendations, specifically section 2.3.4Determining RMZ width & section 2.3.5 Width delineation steps. 7. Increased RMZs or Upland Habitat Buffers. The Director shall increase the fish and wildlife habitat conservation area RMZ or upland habitat buffer width where the standard widths are inadequate to prevent significant adverse environmental impacts or to address hazards associated with the site or the proposed alteration or development or to give special consideration for anadromous fish. The Director may increase the RMZ or upland habitat buffer consistent with BAS. The Director shall consider increasing the RMZ or upland habitat buffer when any of the following conditions are present: a. The project site is within or adjacent to documented anadromous fish spawning or rearing habitat; b. The composition, quality and density of the buffervegetation is insufficient to protect the habitat Downloaded from https://ecode360.com/K16857 on 2025-05-15