Biological Resources Technical Report
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Biological Resources Technical Report Colton Community Soccer Park Project in Colton, San Bernardino County, California Prepared for City of Colton Community Services and Public Works Department 670 Colton Avenue Colton, California 92324 Contact: Deb Farrar Prepared by Psomas 3 Hutton Centre Drive, Suite 200 Santa Ana, California 92707 Contact: Steve Norton July 2019 Colton Soccer Park Project TABLE OF CONTENTS Section Page 1.0 Introduction ..................................................................................................................... 1 1.1 Project Location and Physical Environmental Setting ........................................... 1 1.1.1 Regional Environmental Setting ................................................................ 1 1.2 Project Description and Background ..................................................................... 1 1.3 Regulatory Setting ................................................................................................. 2 1.3.1 Federal ...................................................................................................... 2 1.3.2 State .......................................................................................................... 4 1.3.3 Regional .................................................................................................... 7 2.0 Survey Methods .............................................................................................................. 9 2.1 Literature Review .................................................................................................. 9 2.2 Vegetation Mapping and General Biological Surveys ........................................... 9 2.3 Focused Biological Surveys ................................................................................ 10 2.3.1 Santa Ana River Woollystar ..................................................................... 10 2.3.2 Burrowing Owl ......................................................................................... 10 2.4 Regulatory Surveys ............................................................................................. 11 2.4.1 Jurisdictional Assessment ....................................................................... 11 3.0 Existing Biological Resources ..................................................................................... 13 3.1 Vegetation Types and Other Areas ..................................................................... 13 3.1.1 California Walnut Grove ........................................................................... 13 3.1.2 Eucalyptus – Tree of Heaven – Black Locust Grove ............................... 13 3.1.3 Disturbed Yerba Santa Scrub .................................................................. 13 3.1.4 Herbaceous Semi-Natural Alliance .......................................................... 14 3.1.5 Non-Native Forb – Grassland .................................................................. 14 3.1.6 Disturbed ................................................................................................. 14 3.2 Wildlife ................................................................................................................. 14 3.2.1 Fish .......................................................................................................... 14 3.2.2 Amphibians .............................................................................................. 15 3.2.3 Reptiles .................................................................................................... 15 3.2.4 Birds ........................................................................................................ 15 3.2.5 Mammals ................................................................................................. 15 3.2.6 Wildlife Movement ................................................................................... 16 3.3 Special Status Biological Resources ................................................................... 18 3.3.1 Special Status Vegetation Types ............................................................. 18 3.3.2 Definitions of Special Status Biological Resources ................................. 19 3.3.3 Special Status Plant Species ................................................................... 20 3.3.4 Special Status Wildlife ............................................................................. 27 3.3.5 Critical Habitat ......................................................................................... 34 3.3.6 Jurisdictional Resources .......................................................................... 34 R:\Projects\COL\3COL020100\BioTech\DRAFT Biotech Colton-070319.docx i Table of Contents Colton Soccer Park Project 4.0 Project Impacts ............................................................................................................. 35 4.1 Introduction .......................................................................................................... 35 4.2 Significance Criteria ............................................................................................ 35 4.3 Direct Impacts ..................................................................................................... 37 4.3.1 Vegetation Type Impacts ......................................................................... 37 4.3.2 Wildlife ..................................................................................................... 39 4.3.3 Special Status Biological Resource Impacts ........................................... 40 4.3.4 Habitat Conservation Plan/Natural Community Conservation Plan ......... 43 4.4 Indirect Impacts ................................................................................................... 43 4.4.1 Noise Impacts .......................................................................................... 44 4.4.2 Increased Dust and Urban Pollutants ...................................................... 44 4.4.3 Night Lighting ........................................................................................... 44 4.4.4 Invasive Plant Species ............................................................................. 44 4.4.5 Human Activity ......................................................................................... 45 5.0 Mitigation Measures ...................................................................................................... 46 5.1 MM 1 – Best Management Practices................................................................... 46 5.2 MM 2 – Project limits ........................................................................................... 46 5.3 MM 3 – Jurisdictional Permits.............................................................................. 46 5.4 MM 4 – Nesting Birds .......................................................................................... 48 5.5 MM 5 – Burrowing owl ......................................................................................... 49 5.6 MM 6 – Special status Plant Species .................................................................. 50 5.7 MM 7 – Small Mammal Trapping......................................................................... 51 5.8 MM 8 – Night Lighting. ........................................................................................ 52 5.9 MM 9 – Landscaping. .......................................................................................... 52 5.10 MM 10 – Prevention of the Spread of Weed Seeds. ........................................... 52 5.11 MM 11 – Sensitive Biological Resource Signage and Fencing ........................... 53 5.12 MM 12 – Trash Maintenance ............................................................................... 53 6.0 References ..................................................................................................................... 54 R:\Projects\COL\3COL020100\BioTech\DRAFT Biotech Colton-070319.docx ii Table of Contents Colton Soccer Park Project TABLES Table Page 1 Burrowing Owl Focused Survey Dates ........................................................................... 11 2 Vegetation Types and Other Areas ................................................................................. 13 3 Vegetation Types Threat Rankings ................................................................................. 19 4 Special Status Plant Species Reported to Occur in the Project Area ............................. 21 5 Special Status Wildlife Species Reported From the Project Area ................................... 28 6 Impacts to Vegetation Types ........................................................................................... 37 7 Summary of Jurisdictional Impacts ................................................................................. 38 8 Burrowing Owl Protective Buffer Sizes ........................................................................... 50 EXHIBITS Exhibit Follows Page 1 Regional Location ............................................................................................................. 1 2 Local Vicinity ..................................................................................................................... 1 3 Soil Types ......................................................................................................................... 1 4 Area Proposed for Development ......................................................................................