Final Initial Study San Jose Water Company Phase I Recycled Water Project File Number Pp10-089

FINAL INITIAL STUDY SAN JOSE WATER COMPANY PHASE I RECYCLED WATER PROJECT FILE NUMBER PP10-089 APRIL 2010 REVISED JUNE 2010 LEAD AGENCY: City of San Jose 200 East Santa Clara Street San Jose, CA 95113 FINAL INITIAL STUDY SAN JOSE WATER COMPANY PHASE I RECYCLED WATER PROJECT FILE NUMBER PP10-089 APRIL 2010 REVISED JUNE 2010 LEAD AGENCY: City of San Jose 200 East Santa Clara Street San Jose, CA 95113 PREPARED BY: Analytical Environmental Services 1801 7th Street, Suite 100 Sacramento, CA 95811 TABLE OF CONTENTS SAN JOSÉ WATER COMPANY PHASE I RECYCLED WATER PROJECT FINAL INITIAL STUDY / MITIGATED NEGATIVE DECLARATION 1.0 INTRODUCTION ........................................................................................................................... 1-1 1.1 Purpose of Study ............................................................................................................... 1-1 1.2 Environmental Factors Potentially Affected ....................................................................... 1-1 1.3 Tiering ................................................................................................................................ 1-1 1.4 Evaluation Terminology ..................................................................................................... 1-3 1.5 Organization of the Initial Study ......................................................................................... 1-3 2.0 PROJECT DESCRIPTION ............................................................................................................ 2-1 2.1 Introduction ........................................................................................................................ 2-1 2.2 Project Location ................................................................................................................. 2-1 2.3 Project Background ........................................................................................................... 2-1 2.4 Project Objectives ............................................................................................................. 2-5 2.5 Project Description ............................................................................................................. 2-6 2.5.1 Project Components ............................................................................................... 2-6 2.5.2 Construction Activities .......................................................................................... 2-15 2.5.3 Operation and Maintenance Activities.................................................................. 2-17 2.5.4 Schedule ..............................................................................................................2-17 2.6 Regulatory Requirements, Permits, and Approvals ........................................................ 2-17 3.0 ENVIRONMENTAL ANALYSIS (CHECKLIST) ........................................................................... 3-1 3.1 Evaluation of Environmental Impacts ................................................................................ 3-1 3.2 Aesthetics .......................................................................................................................... 3-2 3.2.1 Setting .................................................................................................................... 3-2 3.2.2 Environmental Checklist and Discussion of Impacts ............................................. 3-2 3.2.3 Standard Measures ................................................................................................ 3-4 3.2.4 Mitigation Measures ............................................................................................... 3-4 3.3 Agricultural Resources ................... …………………………………………………………….3-5 3.3.1 Setting .................................................................................................................... 3-5 3.3.2 Environmental Checklist and Discussion of Impacts ............................................. 3-5 3.3.3 Standard Measures ................................................................................................ 3-6 3.3.4 Mitigation Measures ............................................................................................... 3-6 3.4 Air Quality .......................................................................................................................... 3-7 3.4.1 Setting .................................................................................................................... 3-7 3.4.2 Environmental Checklist and Discussion of Impacts ........................................... 3-10 3.4.3 Standard Measures .............................................................................................. 3-12 3.4.4 Mitigation Measures ............................................................................................. 3-12 3.5 Biological Resources ....................................................................................................... 3-14 3.5.1 Setting .................................................................................................................. 3-14 3.5.2 Environmental Checklist and Discussion of Impacts ........................................... 3-21 3.5.3 Standard Measures .............................................................................................. 3-25 3.5.4 Mitigation Measures ............................................................................................. 3-26 3.6 Cultural Resources .......................................................................................................... 3-29 3.6.1 Setting .................................................................................................................. 3-29 3.6.2 Environmental Checklist and Discussion of Impacts ........................................... 3-33 AES i SJWC Phase I Recycled Water Project June 2010 Initial Study/Mitigated Negative Declaration Table of Contents 3.6.3 Standard Measures .............................................................................................. 3-35 3.6.4 Mitigation Measures ............................................................................................. 3-35 3.7 Geology and Soils ............................................................................................................ 3-37 3.7.1 Setting .................................................................................................................. 3-37 3.7.2 Environmental Checklist and Discussion of Impacts ........................................... 3-40 3.7.3 Standard Measures .............................................................................................. 3-44 3.7.4 Mitigation Measures ............................................................................................. 3-43 3.8 Greenhouse Gas Emissions ............................................................................................ 3-44 3.8.1 Setting .................................................................................................................. 3-44 3.8.2 Environmental Checklist and Discussion of Impacts ........................................... 3-46 3.8.3 Standard Measures .............................................................................................. 3-47 3.8.4 Mitigation Measures ............................................................................................. 3-47 3.9 Hazards and Hazardous Materials .................................................................................. 3-48 3.9.1 Setting .................................................................................................................. 3-48 3.9.2 Environmental Checklist and Discussion of Impacts ........................................... 3-50 3.9.3 Standard Measures .............................................................................................. 3-53 3.9.4 Mitigation Measures ............................................................................................. 3-53 3.10 Hydrology and Water Quality ........................................................................................... 3-55 3.10.1 Setting .................................................................................................................. 3-55 3.10.2 Environmental Checklist and Discussion of Impacts ........................................... 3-60 3.10.3 Standard Measures .............................................................................................. 3-64 3.10.4 Mitigation Measures ............................................................................................. 3-68 3.11 Land Use and Planning ................................................................................................... 3-69 3.11.1 Setting .................................................................................................................. 3-69 3.11.2 Environmental Checklist and Discussion of Impacts ........................................... 3-69 3.11.3 Standard Measures .............................................................................................. 3-70 3.11.4 Mitigation Measures ............................................................................................. 3-70 3.12 Mineral Resources ........................................................................................................... 3-72 3.12.1 Setting .................................................................................................................

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