Somis Ranch Farmworker Housing Complex Draft Environmental Impact Report prepared by Ventura County Resources Management Agency Planning Division 800 South Victoria Avenue, L# 1740 Ventura, California 93009 Contact: Justin Bertoline, Senior Planner prepared with the assistance of Rincon Consultants, Inc. 180 North Ashwood Avenue Ventura, California 93003 September 2020 Somis Ranch Farmworker Housing Complex Draft Environmental Impact Report prepared by Ventura County Resources Management Agency Planning Division 800 South Victoria Avenue, L# 1740 Ventura, California 93009 Contact: Justin Bertoline, Senior Planner prepared with the assistance of Rincon Consultants, Inc. 180 North Ashwood Avenue Ventura, California 93003 September 2020 This report prepared on 50% recycled paper with 50% post-consumer content. Table of Contents Table of Contents Executive Summary .......................................................................................................................... ES-1 Project Applicant ....................................................................................................................... ES-1 Lead Agency Contact Person .................................................................................................... ES-1 Project Location ........................................................................................................................ ES-1 Project Description ................................................................................................................... ES-2 Project Characteristics .................................................................................................. ES-2 Project Objectives ..................................................................................................................... ES-3 Alternatives ............................................................................................................................... ES-4 Areas of Known Controversy .................................................................................................... ES-4 Issues to be Resolved ................................................................................................................ ES-5 Summary of Impacts and Mitigation Measures ........................................................................ ES-5 1 Introduction ................................................................................................................................ 1-1 1.1 Environmental Impact Report Background ..................................................................... 1-1 1.2 Purpose and Legal Authority ........................................................................................... 1-2 1.3 Scope and Content .......................................................................................................... 1-7 1.4 Lead, Responsible, and Trustee Agencies ....................................................................... 1-8 1.5 Environmental Review Process ....................................................................................... 1-8 2 Project Description ..................................................................................................................... 2-1 2.1 Project Applicant ............................................................................................................. 2-1 2.2 Lead Agency Contact Person ........................................................................................... 2-1 2.3 Project Location .............................................................................................................. 2-1 2.4 Existing Site Characteristics ............................................................................................. 2-1 2.4.1 Existing Land Uses on the Project Site ............................................................ 2-1 2.4.2 Surrounding Land Uses ................................................................................... 2-4 2.4.3 Land Use and Zoning Designations on the Project Site .................................. 2-4 2.5 Project Characteristics .................................................................................................... 2-4 2.5.1 Housing Complex ............................................................................................ 2-4 2.5.2 Community Wastewater Treatment Facility ................................................ 2-15 2.5.3 Continued Agricultural Use Parcel ................................................................ 2-17 2.5.4 Construction ................................................................................................. 2-17 2.6 Project Objectives ......................................................................................................... 2-19 2.7 Required Approvals ....................................................................................................... 2-19 3 Environmental Setting ................................................................................................................ 3-1 3.1 Regional Setting .............................................................................................................. 3-1 3.2 Project Site Setting .......................................................................................................... 3-1 3.3 Cumulative Development ............................................................................................... 3-1 4 Environmental Impact Analysis .................................................................................................. 4-1 4.1 Air Quality .................................................................................................................... 4.1-1 4.1.1 Setting .......................................................................................................... 4.1-1 4.1.2 Impact Analysis .......................................................................................... 4.1-10 4.2 Agricultural Resources – Soils ...................................................................................... 4.2-1 4.2.1 Setting .......................................................................................................... 4.2-1 Draft Environmental Impact Report i Ventura County Resources Management Agency Somis Ranch Farmworker Housing Complex 4.2.2 Impact Analysis ............................................................................................ 4.2-5 4.3 Biological Resources ..................................................................................................... 4.3-1 4.3.1 Setting .......................................................................................................... 4.3-1 4.3.2 Impact Analysis .......................................................................................... 4.3-13 4.4 Cultural Resources – Historic ....................................................................................... 4.4-1 4.4.1 Setting .......................................................................................................... 4.4-1 4.4.2 Impact Analysis .......................................................................................... 4.4-17 4.5 Noise and Vibration ..................................................................................................... 4.5-1 4.5.1 Setting .......................................................................................................... 4.5-1 4.5.2 Impact Analysis ............................................................................................ 4.5-5 4.6 Public Health ................................................................................................................ 4.6-1 4.6.1 Setting .......................................................................................................... 4.6-1 4.6.2 Impact Analysis ............................................................................................ 4.6-4 4.7 Transportation ............................................................................................................. 4.7-1 4.7.1 Setting .......................................................................................................... 4.7-1 4.7.2 Impact Analysis ............................................................................................ 4.7-7 4.8 Waste Treatment and Disposal Facilities – Solid Waste Facilities ............................... 4.8-1 4.8.1 Setting .......................................................................................................... 4.8-1 4.8.2 Impact Analysis ............................................................................................ 4.8-2 4.9 Water Resources – Surface Water Quality .................................................................. 4.9-1 4.9.1 Setting .......................................................................................................... 4.9-1 4.9.2 Impact Analysis ............................................................................................ 4.9-9 4.10 Land Use and Planning ............................................................................................... 4.10-1 4.10.1 Setting ........................................................................................................ 4.10-1 4.10.2 Impact Analysis ........................................................................................ 4.10-12 4.11 Less Than Significant Environmental Effects .............................................................