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This Environmental Assessment/Initial Study (EA/IS) for the proposed Trinity River Channel Rehabilitation Projects: Upper Conner Creek (UCC) site (River Mile [RM] 77.1 to 78.5) and Sawmill Gravel Processing (Sawmill) site (RM 108.9 to 109.75) was prepared by the United States Department of the Interior (DOI), Bureau of Reclamation (Reclamation) and DOI Bureau of Land Management (BLM) to meet the requirements of the National Environmental Policy Act (NEPA) and by the North Coast Regional Water Quality Control Board (Regional Water Board) to meet the requirements of the California Environmental Quality Act (CEQA). Reclamation is the lead agency under NEPA, and BLM is a cooperating agency under NEPA for actions specific to BLM-administered lands. The Regional Water Board is the lead agency under CEQA. The federal agencies worked with the Regional Water Board to analyze the potential impacts of the proposed activities under NEPA (40 Code of Federal Regulations [CFR] 1501 et seq.) and CEQA (California Public Resources Code [PRC] 21000 et seq.). Appendix A includes a glossary of terms used throughout this EA/IS, and Appendix B contains all figures that are referenced throughout the document.

 

Appendix C (CEQA Environmental Checklist Form) in this EA/IS was prepared to identify the resource topics that were addressed in the Channel Rehabilitation and Sediment Management Activities for Remaining Phase 1 and Phase 2 Sites, Part 1: Final Master Environmental Impact Report and Part 2: Environmental Assessment/Final Environmental Impact Report, referred to hereafter as the Master EIR.1 Appendix C is also intended to satisfy CEQA requirements. Appendix D outlines the Mitigation Monitoring and Reporting Program (MMRP) adopted by the Regional Water Board as part of the Master EIR and includes measures for the protection of natural and cultural resources under CEQA.