OTAY RIVER RESTORATION PROJECT FINAL HABITAT MITIGATION AND MONITORING PLAN (HMMP) U.S. ARMY CORPS OF ENGINEERS PERMIT FILE NUMBERS: PROPOSED PERMITTEE RESPONSIBLE MITIGATION FOR PENDING VILLAGES: • VILLAGE 3: SPL-2012-00181-MBS • VILLAGE 8W: SPL-2013-00495-SAS PROPOSED ADVANCED PERMITTEE RESPONSIBLE MITIGATION FOR: • VILLAGES 2, 8 EAST, 9 AND 10 • OTAY RIVER VALLEY REGIONAL PARK • CITY OF CHULA VISTA UNIVERSITY PROJECT APPLICANT: Otay Land Company, LLC 1903 Wright Place, Suite 220 Carlsbad, CA 92008 Contact: Curt Smith [email protected] (760) 918-8200 PREPARED BY: ICF International 525 B Street, Suite 1700 San Diego, CA 92101 Contact: Michelle Mattson [email protected] (858) 444-3928 September 2015, Revised March 2016 ICF International. 2016. Otay Land Company Village 3 and 8 West, Habitat Mitigation and Monitoring Plan (HMMP). Final. March (ICF 00296.14 and ICF 526.15) San Diego, CA. Prepared for Otay Land Company, LLC. Carlsbad, CA. Contributors ICF Jones & Stokes (aka ICF International) Michelle Mattson and Lindsay Teunis 525 B Street, Suite 1700 San Diego, CA 92101 [email protected] and [email protected] (858) 444-3928 and (858) 444-3906 ICF International Steven Seville, PE 710 Second Avenue, Suite 550 Seattle, WA 98104 (206) 801-2842 Distribution List Otay Land Company 1903 Wright Place, Suite 220 Carlsbad, CA 92008 Contact: Curt Smith Email Address: [email protected] Phone: (760) 918-8200 City of Chula Vista Contact: Cheryl Goddard or Kim Vader Bie Email Address: [email protected] Phone: (619) 476-2329 U.S. Army Corps of Engineers Contact: Rose Galer Email Address: [email protected] Phone: (760) 602-4834 Regional Water Quality Control Board Contact: Lisa Homna Email Address: [email protected] Phone: (619) 521-3367 California Department of Fish and Wildlife Contact: Kelly Fisher Email Address: [email protected] Phone: (858) 467-4207 Contents List of Tables ........................................................................................................................................... v List of Figures ........................................................................................................................................ vii List of Acronyms and Abbreviations .................................................................................................... viii Page Chapter 1 Project Description ............................................................................................................ 1-1 1.1 Guidelines ........................................................................................................................ 1-1 1.2 Project Summary .............................................................................................................. 1-4 1.3 Mitigation Obligation ....................................................................................................... 1-6 1.4 Compensatory Mitigation Credits Available .................................................................... 1-7 1.4.1 Village 3 Mitigation .......................................................................................................... 1-9 1.4.2 Village 8 West Mitigation ................................................................................................. 1-9 1.5 Responsible Parties, Roles, and Responsibilities ........................................................... 1-10 1.6 Regulatory Requirements and Compliance ................................................................... 1-12 1.7 Mitigation Site Location ................................................................................................. 1-12 1.8 Mitigation Area Ownership Status ................................................................................. 1-13 Chapter 2 Mitigation Goals and Objectives ........................................................................................ 2-1 2.1 Goals ................................................................................................................................ 2-1 2.2 Objectives ........................................................................................................................ 2-1 Chapter 3 Proposed Mitigation Site Baseline Information ................................................................. 3-1 3.1 Mitigation Site Location and Background Information ................................................... 3-1 3.2 Climate ............................................................................................................................. 3-1 3.3 Hydrologic Conditions ...................................................................................................... 3-2 3.3.1 Watershed ....................................................................................................................... 3-2 3.3.2 Historic Hydrological Conditions ...................................................................................... 3-2 3.3.3 Existing Hydrological Conditions ...................................................................................... 3-2 3.4 Water Quality ................................................................................................................... 3-4 3.5 Topography ...................................................................................................................... 3-4 3.6 Formerly Used Defense Site (FUDS) ................................................................................. 3-5 3.7 Soil Characteristics ........................................................................................................... 3-5 3.8 Vegetation Communities and Habitat Types ................................................................... 3-6 3.8.1 Arundo-Dominated Riparian ............................................................................................ 3-8 3.8.2 Chamise Chaparral ........................................................................................................... 3-8 3.8.3 Diegan Coastal Sage Scrub ............................................................................................... 3-8 Otay Land Company Villages 3 and 8 West March 2016 i Final Habitat Mitigation and Monitoring Plan ICF 00296.14 and 526.15 3.8.4 Disturbed Habitat ............................................................................................................. 3-9 3.8.5 Eucalyptus Woodland ...................................................................................................... 3-9 3.8.6 Fresh Water (Open Water) .............................................................................................. 3-9 3.8.7 Freshwater Marsh ............................................................................................................ 3-9 3.8.8 Mule Fat Scrub ................................................................................................................. 3-9 3.8.9 Nonnative Grassland (or Annual Grassland) .................................................................. 3-10 3.8.10 Nonnative Vegetation .................................................................................................... 3-10 3.8.11 San Diego Mesa Vernal Pool .......................................................................................... 3-10 3.8.12 Southern Cottonwood – Willow Riparian Forest ........................................................... 3-11 3.8.13 Southern Interior Cypress Forest ................................................................................... 3-11 3.8.14 Southern Mixed Chaparral ............................................................................................. 3-11 3.8.15 Southern Riparian Scrub ................................................................................................ 3-11 3.8.16 Southern Willow Scrub .................................................................................................. 3-12 3.8.17 Tamarisk Scrub ............................................................................................................... 3-12 3.8.18 Urban/Developed .......................................................................................................... 3-12 3.8.19 Valleys and Foothill Grassland ....................................................................................... 3-12 3.9 Sensitive Species ............................................................................................................ 3-12 3.9.1 San Diego Fairy Shrimp (Branchinecta sandiegoensis) – Federally Listed as Endangered .................................................................................................................... 3-14 3.9.2 Riverside Fairy Shrimp (Streptocephalus woottoni) – Federally Listed as Endangered .................................................................................................................... 3-14 3.9.3 Quino Checkerspot Butterfly (Euphydrayas editha quino) – Federally Listed as Endangered................................................................................................................ 3-14 3.9.4 Least Bell’s Vireo (Vireo bellii pusillus) – Federally Listed as Endangered; State-Listed as Endangered ........................................................................................... 3-15 3.9.5 Coastal California Gnatcatcher (Polioptila californica californica) – Federally Listed as Threatened .....................................................................................................