Low Effect Habitat Conservation Plan for the Morro Shoulderband Snail at the Bahia Vista Estates Site (APN 074-052-049) in Los Osos, California
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Low Effect Habitat Conservation Plan for the Morro Shoulderband Snail at the Bahia Vista Estates Site (APN 074-052-049) in Los Osos, California Prepared for: Barkwood Development, LLC P.O. Box 775026 Steamboat Springs, CO 80477 Prepared by: Tenera Environmental, Inc. 141 Suburban Road, Suite A2 San Luis Obispo, CA 93401 8 January 2010 Low Effect HCP for Bahia Vista Estates Project Table of Contents Contents Executive Summary ............................................................................................. 1 Section 1. Introduction and Background.................................................... 3 Overview/Background ........................................................................ 3 Permit Holder/Permit Duration ............................................................ 5 Permit Boundary/Covered Lands ........................................................ 6 Species to be Covered by Permit ....................................................... 7 Regulatory Framework ....................................................................... 7 Federal Endangered Species Act ............................................ 7 The Section 10 Process - Habitat Conservation Plan Requirements and Guidelines ................................................. 9 National Environmental Policy Act ........................................ 10 National Historic Preservation Act .................................................... 10 Other Relevant Laws and Regulations ............................................. 11 California Endangered Species Act ............................................ 11 California Environmental Quality Act ........................................... 11 California Coastal Act of 1976 .................................................... 11 San Luis Obispo County Local Coastal Program ........................ 12 Section 2. Project Description/Activities Covered by Permit ................. 13 Project Description ........................................................................... 13 Activities Covered by Permit ............................................................. 13 Section 3. Environmental Setting/Biological Resources ........................ 16 Environmental Settings ..................................................................... 16 Climate ................................................................................. 16 Topography/Geology ............................................................ 16 Hydrology/Streams, Rivers, Drainages ................................. 16 Existing Land Use ................................................................. 16 Surrounding Land Uses ........................................................ 17 Covered Species .............................................................................. 19 Status and Distribution of the Morro Shoulderband Snail ...... 19 Species Taxonomy and Description ...................................... 20 Natural History ...................................................................... 22 MSS Distribution on the Bahia Vista Estates Site .................. 23 Section 4. Potential Biological Impacts/Take Assessment ..................... 25 Direct and Indirect Impacts ............................................................... 25 Anticipated Take of the Morro Shoulderband Snail ........................... 25 Effects on Critical Habitat ................................................................. 26 Cumulative Impacts .......................................................................... 26 ii ESLO2009-001.6 01/08/10 Low Effect HCP for Bahia Vista Estates Project Table of Contents Anticipated Impacts of the Taking ..................................................... 26 Section 5. Conservation Program ............................................................. 27 Biological Goals and Objectives ....................................................... 27 Avoidance, Minimization, and Mitigation Measures .......................... 29 Measures to Avoid Impacts .............................................................. 29 Measures to Minimize Impacts ......................................................... 29 Measures to Mitigate Unavoidable Impacts ...................................... 31 Rationale for Mitigation Strategy ....................................................... 31 Monitoring ........................................................................................ 32 Compliance Monitoring ..................................................................... 32 Effects Monitoring ............................................................................. 33 Effectiveness Monitoring .................................................................. 33 Site Access ...................................................................................... 34 Reporting .......................................................................................... 34 Section 6. Plan Implementation ................................................................. 36 Plan Implementation ......................................................................... 36 Responsibilities ................................................................................ 37 Identification of Project Representative ....................................... 37 Identification of Construction and Biological Monitors ................. 37 Identification of IDEA Account Manager ..................................... 37 Changed Circumstances .................................................................. 37 Summary of Circumstances .................................................. 37 Potentially Changed Circumstances ..................................... 38 Newly Listed Species ............................................................ 38 Unforeseen Circumstance ................................................................ 39 Amendments .................................................................................... 39 Minor Amendments ............................................................... 39 Major Amendments ............................................................... 39 Suspension/Revocation .................................................................... 40 Renewal of the Section 10(a)(1)(B) Permit ....................................... 40 Permit Transfer................................................................................. 40 Section 7. Funding ..................................................................................... 42 Costs of HCP Implementation .......................................................... 42 Funding Source, Mechanism, and Management ............................... 43 Section 8. Alternatives ............................................................................... 44 Summary .......................................................................................... 44 Alternative 1: No Action Alternative ................................................. 44 Alternative 2: Alternate Site ............................................................. 45 Alternative 3: Redesigned Project.................................................... 45 Alternative 4: Proposed Action ........................................................ 46 Section 9. Literature Cited ......................................................................... 47 iii ESLO2009-001.6 01/08/10 Low Effect HCP for Bahia Vista Estates Project Table of Contents Attachments Attachment A: Morro Shoulderband Snail Survey Report Attachment B: Legal Property Description Attachment C: Cultural Resource Inventory iv ESLO2009-001.6 01/08/10 Low Effect HCP for Bahia Vista Estates Project Table of Contents Tables and Figures Table ............................................................................................ Page 1. Costs of Implementing the Bahia Vista Estates HCP .................. 42 Figure ............................................................................................ Page 1. Regional View of Project Location ................................................ 4 2. HCP Plan Area ............................................................................ 6 3. Topographic Map of HCP Plan Area Location .............................. 7 4. Drawing Showing Existing Site Conditions ................................. 18 5. Aerial Photograph Showing Surrounding Land Uses ................. 19 6. Distribution of MSS within Project Site ........................................ 24 v ESLO2009-001.6 01/08/10 Low Effect HCP for Bahia Vista Estates Project Executive Summary Executive Summary Executive Summary Barkwood Development, LLC has applied for a permit pursuant to Section 10(a)(1)(B) of the Endangered Species Act of 1973 (16 U.S.C. 1531-1544, 87 Stat. 884) (ESA), as amended, from the U.S. Fish and Wildlife Service (Service) for the incidental take of the endangered Morro shoulderband snail (Helminthoglypta walkeriana). The potential taking would occur incidental to the phased redevelopment of a 5.5-acre residential parcel located in the west-central region of the unincorporated town of Los Osos (western San Luis Obispo County, California). This residential redevelopment project is known as Bahia Vista Estates. The proposed development or impact area of the project encompasses the entire 5.5-acre parcel, which has been substantially altered by past residential use and does not support any areas of native habitat for the Morro shoulderband snail (MSS). Despite the