WINTER ISLAND TIDAL HABITAT RESTORATION PROJECT West Delta

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WINTER ISLAND TIDAL HABITAT RESTORATION PROJECT West Delta WINTER ISLAND TIDAL HABITAT RESTORATION PROJECT West Delta TIDAL WETLAND The Department of Water Resources’ (DWR) Fish Restoration Program (FRP) acquired approximately 589 acres on Winter RESTORATION GOALS / TARGET Island in 2016 for tidal wetland restoration. DWR is planning 589 acres total to implement the Winter Island Tidal Habitat Restoration Project (Project), which will restore tidal connectivity to the The goal of the Project is to restore unrestricted tidal interior of Winter Island to create aquatic habitat at intertidal connectivity to the interior of Winter Island to create and shallow sub-tidal elevations, associated high marsh, and tidal wetland, associated high marsh, and riparian habitats riparian habitats on the site to benefit native fish species. on the site to benefit native fish species. The project The Project is intended to partially fulfill the 8,000-acre tidal objectives are to: habitat restoration obligations of DWR, contained within Enhance habitat appropriate for spawning and/or Reasonable and Prudent Alternative (RPA) 4 of the 2008 U.S. rearing salmonids, Delta smelt, and other native fish Fish and Wildlife Service (USFWS) Delta Smelt Biological species; Opinion and referenced in RPA I.6.1 of the 2009 National Marine Fisheries Service (NMFS) Salmonid Biological Opinion, Enhance available productivity for native fish within for long-term coordinated operations of the State Water and adjacent to the restoration site; and, Project and the federal Central Valley Project. The goal of the project is to restore unrestricted tidal Provide connectivity to the marsh plain for migrating connectivity to the interior of Winter Island to create tidal salmonids. wetland, associated high marsh, and riparian habitats on the site to benefit native fish species. To achieve this goal, the LOCATION AND LANDOWNER Project will involve breaching the perimeter levee to restore tidal hydrology to the site. The Project consists of restoration The site is in Suisun Bay between Broad Slough and planning, modeling, design, permitting, construction, and Middle Slough, just north of the City of Pittsburg, monitoring. Preliminary planning, conceptual design, and in Contra Costa County. Winter Island sits at the baseline data collection (e.g. topography and bathymetry) were confluence of the Sacramento and San Joaquin Rivers, conducted in 2016. Hydrodynamic modeling will be conducted in the corridor between Browns Island and Sherman in early spring 2017. Restoration planning and environmental Island Waterfowl Management Area. DWR became the compliance documentation preparation will be ongoing in landowner of the 589-acre site in 2016. 2017. DWR is the CEQA Lead Agency for this project and estimates a draft Mitigated Negative Declaration release for public review in 2018. CALIFORNIA NATURAL RESOURCES AGENCY | RESOURCES.CA.GOV/ECORESTORE CALIFORNIA ECO RESTORE PROJECTS 2016 / 2017 SUTTER (Target Construction Start Dates) N COUNTY Decker Island 5 99 Dutch Slough Fremont Weir Adult Fish Passage 80 Hill Slough McCormack Williamson Tract YOLO Tule Red 505 COUNTY Wallace Weir Fish Rescue Facility 50 2018+ SACRAMENTO (Target Construction Start Dates) FUNDING Sacramento River 16 COUNTY Fully funded by the SWP Contractors for all phases Bradmoor Island 99 of the effort 80 Goat Island SOLANO Grizzly Slough ESTIMATED TIMELINE Broad Slough COUNTY Lisbon Weir CEQA Public draft May 2018, Sherman Lake Final CEQA August 2018 Lower Putah Creek Realignment Brown’s Island 5 Submitting permit applications: Fall 2018 Lower Yolo Ranch Prospect Island Permits obtained: February 2019 San Joaquin River Sherman Island: Whale’s Belly Construction specifications complete: June 2019 Southport Levee Twitchell Island: Levee Begin construction: August 2019 12 Twitchell Island: West End Construction complete: November 2019 Yolo Bypass Floodplain Restoration Winter Island PERMITTING San Francisco Regional Water Quality Control Board: Section 401 and Waste Discharge Report COMPLETED (Construction Completed) State Lands Commission: Notice of Proposed Use of State Lands Knights Landing Outfall Gate 680 WINTER ISLAND Lindsey Slough National Historic Preservation Act: Section 106 Sherman Island: Mayberry Farms LEGEND LEGEND California Department of Fish and Wildlife: Fish Passage Improvements 4 Sherman Island: Whale’s Mouth Streambed Alteration Agreement Section 1600 ; Fish Passage ImprovFloodplainements Restora on Sherman Island: Mayberry Slough Incidental Take Permit Floodplain RestoratiSetbackon Levee Subsidence Reversal Setback Levee and Carbon Storage CONTRA COSTA Twitchell Island: East End COUNTY United States Army Corps of Engineers: Subsidence ReversaTidall Restora n Nationwide 27 (404/10 permit) and Carbon StorageYolo Bypass Boundary Legal Delta and Suisun Marsh Tidal Restoration Boundaries USFWS Endangered Species Act: Section 7 Yolo Bypass BoundarWayter Bodies SAN JOAQUIN 0 5 10 20 Legal Delta and Suisun Marsh COUNTY Boundaries ALAMEDA NMFS Endangered Species Act: Section 7 MILES COUNTY Water Bodies Delta Stewardship Council: Delta Plan Consistency Determination CALIFORNIA NATURAL RESOURCES AGENCY | RESOURCES.CA.GOV/ECORESTORE PROJECT PROPONENT Department of Water Resources Division of Environmental Services Fish Restoration Program Joy Khamphanh Project Manager [email protected] (916) 376-9824 CALIFORNIA NATURAL RESOURCES AGENCY | RESOURCES.CA.GOV/ECORESTORE.
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