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'I. Reduce or eliminate the impact over time by prevention and maintenance operations during the life <br /> of the actions; <br /> 5. Compensate for the impact by replacing, enhancing, or providing substitute streams and <br /> environments; <br /> BA. Stream Preservation/Alteration Thresholds. <br /> 1. Type S Streams.All Type S streams shall be regulated by the city of Everett shoreline master <br /> program. <br /> 2. Type F Streams.All Type F streams shall be preserved.The city may only allow alteration of Type F <br /> streams under the following circumstances: <br /> a. Where alteration is allowed pursuant to Section 19.37.050 of this chapter; <br /> b. Stream Crossings. Stream crossings are regulated by the Washington State Department of Fish <br /> and Wildlife (WDFW).Stream crossings shall only be permitted as provided by Section 19.37.050 of <br /> this chapter or to provide access to a lot or a substantial portion of a lot when no other feasible <br /> means of access exists. Use of common access points shall be required for abutting lots which have <br /> no other feasible means of access.Alteration for the purpose of providing access shall be limited to <br /> the minimum number of stream crossings required to permit reasonable access. Bridging may be <br /> required when necessary to protect significant stream functions. If a culvert is allowed,the design <br /> and installation must be approved by WDFW; <br /> c. When the proposal results in significant restoration of functions to the stream segment and the <br /> alteration is approved by the Washington State Department of Fish and Wildlife. <br /> 3. Type Np and Type Ns Streams. <br /> a. Except as provided in this subsection, no alteration of a Type Np or Ns stream shall be allowed <br /> except as otherwise provided by Section 19.37.050 of this chapter; or <br /> b. The planning director may, using the review process described in EMC Title 15, Local Project <br /> Review Procedures, allow alteration or relocation of Type Np and Ns streams under the following <br /> conditions: <br /> i. Stream and buffer functions in the relocated/altered stream section must be equal to or <br /> greater than the functions provided by the stream and buffer prior to relocation/alteration; <br /> ii. The equivalent base flood storage volume shall be maintained; <br /> iii. There shall be no impact to local ground water; <br /> iv. There shall be no increase in water velocity; <br /> v. There is no interbasin transfer of water; <br /> vi. The relocation shall occur on-site and shall not result in additional encumbrances on <br /> neighboring properties unless necessary easements and waivers are obtained from affected <br /> property owners; <br /> vii. The relocation maintains or enhances existing connections to other critical areas and <br /> priority habitats. <br /> c. Stream Crossings. Stream crossings are regulated by the Washington State Department of Fish <br /> and Wildlife (WDFW). Stream crossings shall only be permitted as provided by Section 19.37.050 of <br /> this chapter or to provide access to a lot or a substantial portion of a lot when no other feasible <br /> means of access exists. Use of common access points shall be required for abutting lots which have <br /> no other feasible means of access.Alteration for the purpose of providing access shall be limited to <br /> the minimum number of stream crossings required to permit reasonable access. Bridging may be <br /> required when necessary to protect significant stream functions. If a culvert is allowed,the design <br /> and installation must be approved by WDFW. <br /> Planning Commission Resolution 19-04 Page 53 <br /> Critical Areas March 19, 2019 <br />