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Bennett Valley Road Affordable Housing April 2021

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Bennett Valley Road Affordable Housing April 2021 Environmental Assessment Bennett Valley Road Affordable Housing 702 & 716 Bennett Valley Road and 921 & 927 Rutledge Avenue Santa Rosa SONOMA COUNTY • CALIFORNIA 95404 Determinations and Compliance Findings for HUD-assisted Projects 24 CFR Part 58 April 2021 U.S. Department of Housing and Urban Development 451 Seventh Street, SW Washington, DC 20410 www.hud.gov espanol.hud.gov Environmental Assessment Determinations and Compliance Findings for HUD-assisted Projects 24 CFR Part 58 Bennett Valley Road Affordable Housing, 702 & 716 Project Identification: Bennett Valley Road and 921 & 927 Rutledge Avenue, Santa Rosa, Sonoma County, California 95404 Responsible Entity: City of Santa Rosa Preparer: AEM Consulting Month/Year: April 2021 P a g e | 3 Table of Contents Project Information .................................................................................................................................................. 10 Project Location ....................................................................................................................................................... 11 Project Photographs ................................................................................................................................................ 12 Parcel Map ............................................................................................................................................................... 13 Description of the Proposed Project ........................................................................................................................ 14 Statement of Purpose and Need for the Proposal ................................................................................................... 20 Regional Outlook.................................................................................................................................................. 20 Local Perspective ................................................................................................................................................. 21 Source: ................................................................................................................................................................... 21 Existing Conditions and Trends ................................................................................................................................ 22 Existing Conditions ............................................................................................................................................... 22 Site Characteristics ........................................................................................................................................... 22 Trends .................................................................................................................................................................. 23 Funding Information ................................................................................................................................................ 25 Estimated Total HUD Funded Amount: ................................................................................................................ 25 Estimated Total Project Cost ................................................................................................................................ 25 Compliance with 24 CFR 50.4, 58.5, and 58.6 Laws and Authorities ....................................................................... 26 STATUTES, EXECUTIVE ORDERS, AND REGULATIONS LISTED AT 24 CFR 50.4 and 58.6 ........................................... 26 Airport Hazards .................................................................................................................................................... 26 Coastal Barrier Resources .................................................................................................................................... 26 Flood Insurance ................................................................................................................................................... 26 STATUTES, EXECUTIVE ORDERS, AND REGULATIONS LISTED AT 24 CFR 50.4 & 58.5 .............................................. 27 Clean Air ............................................................................................................................................................... 27 General Conformity ......................................................................................................................................... 27 Adverse Impacts under NEPA .......................................................................................................................... 28 Air Quality and Existing Community Risk Impacts Assessment ........................................................................ 28 Introduction ................................................................................................................................................. 28 Toxic Air Contaminants ................................................................................................................................ 29 Sensitive Receptors ...................................................................................................................................... 29 Significance Thresholds ................................................................................................................................ 30 Environmental Assessment 702 Bennett Valley Road, Santa Rosa, CA 95404 April 2021 P a g e | 4 Construction Period Emissions ......................................................................................................................... 31 Operational Period Emissions .......................................................................................................................... 32 Exposure of Project Residents to Existing TACs Sources .................................................................................. 33 Conclusion........................................................................................................................................................ 35 Coastal Zone Management .................................................................................................................................. 35 Contamination and Toxic Substances .................................................................................................................. 35 Phase I Environmental Site Assessment ........................................................................................................... 36 Subsurface Site Investigation ........................................................................................................................... 37 Previous Environmental Investigations and Remedial Activities .................................................................. 37 Objective ...................................................................................................................................................... 38 Pre-Fieldwork Activities ............................................................................................................................... 38 Geophysical Survey ...................................................................................................................................... 39 Conclusions and Recommendations ............................................................................................................ 39 Pre-Demolition Asbestos and Lead Inspection................................................................................................. 40 Senior Center, 704 Bennett Valley Road ...................................................................................................... 40 Art Start Building, 716 Bennett Valley Road................................................................................................. 41 Conclusion........................................................................................................................................................ 42 Endangered Species ............................................................................................................................................. 43 Regulatory Setting ............................................................................................................................................ 43 Federal Endangered Species Act (FESA) - U.S. Fish and Wildlife Service ...................................................... 43 Clean Water Act Sections 404 and 401 - U.S. Army Corps of Engineers ...................................................... 44 Species of Concern ........................................................................................................................................... 45 Critical Habitat ................................................................................................................................................. 46 Project Impacts ................................................................................................................................................ 47 Conclusion........................................................................................................................................................ 47 Explosive and Flammable Hazards ......................................................................................................................
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