MARCH 2015 VOLUME 1 Agua Mansa Commerce Center CITY OF COLTON Agua Mansa Commerce Center Draft Supplemental Environmental Impact Report Project Applicant: Prologis 2817 East Cedar Street, Suite 200 | Ontario, CA 91761 Prepared By: 1500 Iowa Avenue, Suite 110 | Riverside, CA 92507 951-787-9222 | www.migcom.com Agua Mansa Commerce Center Draft Supplemental Environmental Impact Report March 2015 City of Colton This document is designed for double-sided printing to conserve natural resources TABLE OF CONTENTS Volume I – Draft Supplemental Environmental Impact Report Page 1.0 – Introduction...................................................................................................................................................... 1-1 CEQA and the Purpose of an EIR ................................................................................................................................... 1-1 Type of EIR...................................................................................................................................................................... 1-1 Scoping and Public Review ............................................................................................................................................. 1-2 2.0 – Executive Summary ........................................................................................................................................ 2-1 Project Summary ............................................................................................................................................................. 2-1 Project Location ............................................................................................................................................................... 2-1 Environmental Setting...................................................................................................................................................... 2-1 Environmental Impacts .................................................................................................................................................... 2-2 Issues to be Resolved...................................................................................................................................................... 2-4 Areas of Potential Controversy ........................................................................................................................................ 2-5 Alternatives to the Proposed Project................................................................................................................................ 2-5 3.0 – Project Description.......................................................................................................................................... 3-1 Project Location ............................................................................................................................................................... 3-1 Environmental Setting...................................................................................................................................................... 3-1 The Project ...................................................................................................................................................................... 3-2 Project Objectives............................................................................................................................................................ 3-2 Intended Use of this EIR.................................................................................................................................................. 3-4 Discretionary Actions ....................................................................................................................................................... 3-4 4.0 – Environmental Impact Analysis .................................................................................................................. 4.1-1 4.1 Aesthetics....................................................................................................................................................... 4.1-1 4.2 Air Quality....................................................................................................................................................... 4.2-1 4.3 Biological Resources ...................................................................................................................................... 4.3-1 4.4 Cultural Resources ......................................................................................................................................... 4.4-1 4.5 Geology and Soils .......................................................................................................................................... 4.5-1 4.6 Greenhouse Gas Emissions........................................................................................................................... 4.6-1 4.7 Hazards and Hazardous Materials ................................................................................................................. 4.7-1 4.8 Hydrology and Water Quality.......................................................................................................................... 4.8-1 4.9 Mineral Resources.......................................................................................................................................... 4.9-1 4.10 Noise ............................................................................................................................................................ 4.10-1 4.11 Transportation and Traffic............................................................................................................................. 4.11-1 4.12 Public Services............................................................................................................................................. 4.12-1 4.13 Utilities and Service Systems ....................................................................................................................... 4.13-1 5.0 – Alternatives...................................................................................................................................................... 5-1 Purpose ........................................................................................................................................................................... 5-1 Rationale for Alternative Selection................................................................................................................................... 5-1 Alternatives Selection ...................................................................................................................................................... 5-1 Alternatives Considered................................................................................................................................................... 5-3 Alternatives Rejected....................................................................................................................................................... 5-3 Alternatives Selected ....................................................................................................................................................... 5-4 Comparison of Impacts.................................................................................................................................................... 5-4 Environmentally Superior Alternative............................................................................................................................. 5-15 Supplemental Environmental Impact Report i Table of Contents 6.0 – Analysis of Long Term Effects....................................................................................................................... 6-1 Cumulative Impacts ......................................................................................................................................................... 6-1 Growth Inducing Impacts .............................................................................................................................................. 6-11 Energy Conservation .................................................................................................................................................... 6-12 Significant Irreversible Environmental Changes ............................................................................................................ 6-19 Unavoidable Significant Environmental Impacts............................................................................................................ 6-20 7.0 – Effects Found Not to Be Significant .............................................................................................................. 7-1 8.0 – Preparation Team ............................................................................................................................................ 8-1 Lead Agency.................................................................................................................................................................... 8-1 Consultants to the Lead Agency...................................................................................................................................... 8-1 9.0 – Organizations and Persons Consulted.........................................................................................................