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Draft Supplemental Environmental Impact Report Page IV.F-26 Forward Inc. Landfill 2018 Expansion Project • A substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans,policies, or regulations, or by the CDFW or USFWS; • A substantial adverse effect on state or federally protected wetlands (including,but not limited to,marsh,vernal pool, coastal, etc.)through direct removal, filling,hydrological interruption, or other means; • Substantial interference with the movement of any native resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, or impeding the use of native wildlife nursery sites; • A conflict with any local policies or ordinances protecting biological resources, such as a tree preservation policy or ordinance;or ■ A conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or other approved local, regional, or state habitat conservation plan. Impacts and Mitigation Measures For the purposes of this section, impacts and mitigation measures already required from past EIRs and project approvals are considered to be part of the proposed project,unless otherwise specified. Note that, for the purposes of document organization, impacts and mitigation measures below are labeled as "F_". These correspond to impacts and mitigation measures "H_" in the Summary section, for consistency with the 2013 EIR. Impact F.1. Loss of Wetland Habitat. On December 18,2007, the U.S. Army Corps of Engineers (Corps)verified 1.25 acres (54,371 square feet)of waters of the U.S. on the project site along the southern branch of Littlejohn's Creek. On June 14,2018,Monk&Associates re-mapped the project site and field verified an equivalent acreage (1.25 acres)of waters of the U.S./State to be present within the stretch of the southern branch of Littlejohn's Creek running along the northern boundary of the recycling and composting facility.'' As part of the proposed project, the South Branch of the South Fork of Littlejohn's Creek would be relocated along the eastern and southern boundary of the proposed expansion area. This would serve to increase the separation between the landfill and the creek and to accommodate more area for the Forward Landfill. This would result in the filling of approximately 3000 feet of creek channel supporting approximately 1.25 acres of wetlands and open water habitat subject to the jurisdiction of the USACE, CDFW and RWQCB.58 However,the project would create 1.87 acres of wetland habitat in the longer, relocated creek channel. To address FAA concerns regarding increasing the risk of bird strikes, it is anticipated that the banks of the relocated creek would be regularly mowed to prevent the establishment of riparian vegetation. This management prescription would mirror the existing management requirements 57 The re-verification and jurisdictional determination are pending as of August 27,2018. Once the delineation map is re-confirmed,the full extent of waters of the United States will be known and the extent of impacts to regulated areas ascertained.This will serve to confirm the acreage of wetlands to be impacted and for which mitigation will be provided. 58 Ibid