CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE INITIAL STUDY & MITIGATED NEGATIVE DECLARATION SIX-UNIT APARTMENT COMPLEX 9312 CHAPMAN AVENUE GARDEN GROVE, CALIFORNIA LEAD AGENCY: CITY OF GARDEN GROVE COMMUNITY DEVELOPMENT DEPARTMENT PLANNING SERVICES DIVISION 11222 ACACIA PARKWAY GARDEN GROVE, CALIFORNIA 92840 REPORT PREPARED BY: BLODGETT BAYLOSIS ENVIRONMENTAL PLANNING 2211 HACIENDA BOULEVARD, SUITE 107 HACIENDA HEIGHTS, CA 91745 OCTOBER 16, 2020 GGRO 015 1475588.1 PAGE 1 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. 1475588.1 PAGE 2 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE MITIGATED NEGATIVE DECLARATION Title of Project: Six-Unit Apartment (9312 Chapman Avenue). Brief Description of Project: The proposed project is a request by the Applicant to subdivide a 0.47- acre (20,500 square-feet) vacant lot to accommodate six new dwelling units within a three-story building. These six new dwelling units will have a total building area of 12,767 square feet and a total living area of 10,119 square feet. In addition, a total of 2,315 square feet of recreational space will be provided. Lastly, a total of 21 parking spaces will be included. Access to the project site will be provided by a new 30-foot wide driveway located along the south side of Chapman Avenue. The discretionary approvals that are being requested by the project Applicant include a General Plan Amendment (GPA), Zone Change (ZC), Site Plan, and the adoption of a Mitigated Negative Declaration (MND) and associated Mitigation Monitoring and Reporting Program (MMRP). Project Location (see also attached map): The project site is located in the north portion of the City of Garden Grove. The proposed project site is located on the south side of Chapman Avenue. The project site’s legal address is 9312 Chapman Avenue. The corresponding Assessor’s Parcel Number is 133-082-27. Name of the Project Proponent: The project Applicants are Victor Phu Nguyen and Julie Hoang Vu, 11165 Wasco Road, Garden Grove, CA 92841. Cortese List: The project does ◼ does not involve a site located on the Cortese List, also known as the California Department of Toxic Substances Control’s Hazardous Waste and Substances Site List. Project Impacts: The Initial Study/MND found that the environmental effects from the project would be less than significant with the incorporation of mitigation measures. 1475588.1 PAGE 3 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. 1475588.1 PAGE 4 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE Project Site PROJECT LOCATION MAP SOURCE: QUANTUM GIS AND GOOGLE MAPS 1475588.1 PAGE 5 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. 1475588.1 PAGE 6 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE TABLE OF CONTENTS Environmental Checklist Form ................................................................... 9 1.0 Introduction ..................................................................................... 15 1.1 Purpose of the Initial Study .................................................................................................... 15 1.2 Initial Study’s Organization ....................................................................................................16 1.3 Initial Study Checklist .............................................................................................................16 2.0 Project Description .......................................................................... 25 2.1 Project Overview .................................................................................................................... 25 2.2 Project Location ..................................................................................................................... 25 2.3 Environmental Setting ........................................................................................................... 25 2.4 Project Description ................................................................................................................. 31 2.5 Discretionary Actions............................................................................................................. 37 3.0 Environmental Analysis .................................................................. 38 3.1 Aesthetics ................................................................................................................................ 39 3.2 Agricultural & Forestry Resources .........................................................................................41 3.3 Air Quality .............................................................................................................................. 42 3.4 Biological Resources .............................................................................................................. 48 3.5 Cultural Resources ................................................................................................................. 50 3.6 Energy ..................................................................................................................................... 53 3.7 Geology & Soils ....................................................................................................................... 55 3.8 Greenhouse Gas Emissions ................................................................................................... 59 3.9 Hazards & Hazardous Materials ............................................................................................61 3.10 Hydrology & Water Quality ................................................................................................... 64 3.11 Land Use & Planning ............................................................................................................. 68 3.12 Mineral Resources.................................................................................................................. 70 3.13 Noise ........................................................................................................................................ 71 3.14 Population & Housing ............................................................................................................ 75 3.15 Public Services ........................................................................................................................ 77 3.16 Recreation ............................................................................................................................... 78 3.17 Transportation ....................................................................................................................... 79 3.18 Tribal Cultural Resources ...................................................................................................... 81 3.19 Utilities & Service Systems .................................................................................................... 82 3.20 Wildfire ................................................................................................................................... 85 3.21 Mandatory Findings of Significance ..................................................................................... 86 4.0 Conclusions ..................................................................................... 89 4.1 Findings .................................................................................................................................. 89 4.2 Mitigation Monitoring & Reporting Program ...................................................................... 89 5.0 References .......................................................................................93 5.1 Preparers ................................................................................................................................ 93 1475588.1 PAGE 7 CITY OF GARDEN GROVE ● MITIGATED NEGATIVE DECLARATION & INITIAL STUDY SIX-UNIT APARTMENT COMPLEX● 9312 CHAPMAN AVENUE TABLE OF CONTENTS (CONTINUED) 6.0 Appendices .............................................................................................................. 95 Appendix A – Air Quality Worksheets ............................................................................................... 97 Appendix B – Noise Worksheets ...................................................................................................... 103 LIST OF TABLES Table Page 1-1 Initial Study Checklist ............................................................................................................. 17 2-1 Project Summary Table ......................................................................................................... 32 3-1 Estimated Daily Construction Emissions ............................................................................. 45 3-2 Estimated Operational Emissions in lbs/day – Unmitigated.............................................. 46 3-3 Local Significance Thresholds Exceedance SRA 17 for 1-Acre of Disturbance