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• Draft Supplemental Environmental Impact Report Page IV.17-26 • 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. Filling of Waters of the U.S./Waters of the State. As part of the proposed project, the South Branch of the South Fork of Littlejohn's Creek would be relocated along the easter and southern boundary of the proposed expansion area. 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. This is a significant impact.During the last stages of landfill development, the proposed new main entrance road would cross the relocated creek channel. The creek crossing would be designed to span the creek, with all work avoiding areas under the jurisdiction of the USACE, CDFW, • and RWCQB. The surface water control plan for the existing Forward Landfill consists of an integrated system of bench ditches,perimeter channels, and storm water retention basins. The landfill is designed • so that surface water would run off via sheet flow until it is intercepted by a bench ditch. Bench • ditches subsequently drain toward downdrains, which discharge to perimeter channels. Finally, the perimeter channels drain to the sedimentation/detention basin. The proposed project includes the removal of existing bench ditches,sedimentation ponds, and leachate impoundments. These man-made features appear to have been constructed in upland habitats • and therefore are unlikely to be under USACE jurisdiction. However, some of these features • could fall under the jurisdiction of the CDFW and/or RWQCB. Closure and relocation of these features would be conducted in accordance with applicable regulations and as approved by the regulatory agencies. •