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Wildcat Creek Fish Passage and Habitat Restoration (1135)(#7)

Project URL link
Sponsoring Agency Contra Costa County Flood Control and Water Conservation District
Subregions ('East Bay',)
Counties Contra Costa
Watershed Tributary Wildcat Creek
Public or private land? ('Public',)
Location (lat/lon) 37.961356, -122.361891
Start Date not scheduled
End Date not scheduled
Location Description Wildcat Creek in the North Richmond Area, Contra Costa County
Wildcat Creek Fish Passage and Habitat Restoration (1135)(#7)

The Wildcat Creek Fish Passage and Habitat Restoration project will provide improved connectivity between the low flow channel and the adjacent floodplain. The project will also expand the existing sediment basin, provide an improved fish ladder and better passage through the sediment basin.

The award-winning Wildcat Creek project is not perfect.  The fish ladder has become inoperative, the sediment basin is undersized and sediment has accumulated underneath fast-growing riparian vegetation that makes removal impracticable.  These factors have reduced the level of protection and have increased maintenance costs. 

The Wildcat Creek Fish Passage and Habitat Restoration project will provide improved connectivity between the low flow channel and the adjacent floodplain.  The project will also expand the existing sediment basin, provide an improved fish ladder and better passage through the sediment basin.   The project also includes capacity improvements (levee raising or floodwall construction) to ensure continued flood protection is provided with these changes to the channel. 

none
Drinking Water Supply
Water Quality Improvement
Water Reuse/Recycling
Stormwater Improvements
Groundwater Benefits
Infiltration
Habitat Protection and Restoration
Flood Protection
The project's main focus is on habitat protection and restoration, especially for anadramous fish that are currently stopped at the concrete channel portion of the creek. The project is located in the middle of a severely disadvantaged community -- North Richmond. The project also focuses on improving Flood Protection.
N/A
N/A
This project already enjoys the support of the Wildcat / San Pablo Creeks Watershed Council. Additional partnerships with EBRPD, or with State or Federal agencies would be welcomed.
No. The Flood Control Zone is severely underfunded and lacks enough revenue for even routine maintenance.
N/A
Recreation and public access, Flood management, Water quality protection and improvement, Conjunctive use, Wetlands enhancement and creation, Storm water capture and management, Environmental and habitat protection and improvement, Ecosystem Restoration, NPS pollution control
Flood Protection & Stormwater Management

Part 2 - Detail

The award-winning Wildcat Creek project is not perfect.  The fish ladder has become inoperative, the sediment basin is undersized and sediment has accumulated underneath fast-growing riparian vegetation that makes removal impracticable.  These factors have reduced the level of protection and have increased maintenance costs. 

The Wildcat Creek Fish Passage and Habitat Restoration project will provide improved connectivity between the low flow channel and the adjacent floodplain.  The project will also expand the existing sediment basin, provide an improved fish ladder and better passage through the sediment basin.   The project also includes capacity improvements (levee raising or floodwall construction) to ensure continued flood protection is provided with these changes to the channel. 

The Corps of Engineers has periodically worked on the planning of this project under their Continuing Authorities 1135 Program.  However, federal funding of the program has been spotty making progress a challenge.   One solid work product from that partnership has been the Wildcat Creek Fish Ladder Retro-fit: Existing Conditions Report, which has analyzed both the sediment basin and fish ladder and has identified a preferred alternative.   

This alternative includes a retrofit of the existing, disfunctional fish ladder, an expansion of the sediment basin to increase trap efficiency and improve fish passage, and additional, more minor capacity enhancements. 

 

False

Wildcat Creek Fish Ladder Retro-fit: Existing Conditions Report, Northwest Hydraulic Consultants, July 2011

Wildcat Creek 1135 Project Project Management Plan, US Army Corps of Engineers

 

Wildcat Creek

San Pablo Bay

 

The award-winning Wildcat Creek project is not perfect.  The fish ladder has design flaws and has become inoperative, the sediment basin is undersized and escaped sediment has accumulated underneath fast-growing riparian vegetation that makes removal impracticable.  These factors have reduced the level of protection and increased maintenance costs.  Currently, upstream anadramous fish migration is stopped at the existing fish ladder.   On the bright side, much of the project length has excellent riparian canopy and vegetation vigor.   And many of the project levees are in good shape.  And those that need rehabilitation are being addressed under another grant program.   

If the restoration project is not implemented, the resulting flood risk will continue to rise, the sediment basin will continue to have low trap efficiency, and fish will not be able to migrate through the project area. 

 

i. Water Supply (conservation, recycled water, groundwater recharge, surface storage, etc.)

...

ii. Water Quality

...

iii. Flood and Stormwater Management

The project will add floodwalls and minor levee raising to ensure design levels of flood protection continue to be provided. 

iv. Resource Stewardship (watershed management, habitat protection and restoration, recreation, open space, etc.)

While much of the project has good habitat, this project will focus on deficient areas, especially with regard to fish passage through the sediment basin and deficient fish ladder.  

False
True
True
Increases Water Supply Reliability
Advances/ Expands Conjunctive Management of Multiple Water Supply Sources
Increases Water Use and/or Reuse Efficiency
Provides Additional Water Supply
Promotes Water Quality Protection
Reduces Water Demand
Advances/Expands Water Recycling
Promotes Urban Runoff Reuse
Addresses Sea Level Rise
Addresses other Anticipated Climate Change Impact (e.g. through water management system modifications)
Improves Flood Control (e.g. through wetlands restoration, management, protection)
Promotes Habitat Protection
Establishes Migration Corridors
Re-establishes River-Floodplain Hydrologic Continuity
Re-introduces Anadromous Fish Populations to Upper Watersheds
Enhances and Protects Upper Watershed Forests and Meadow Systems
Other (Please Describe)
Increases Water Use Efficiency or Promotes Energy-Efficient Water Demand Reduction
Improves Water System Energy Efficiency
Advances/Expands Water Recycling
Promotes Urban Runoff Reuse
Promotes Use of Renewable Energy Sources
Contributes to Carbon Sequestration (e.g. through vegetation growth)
Other (Please Describe)
4,000,000(low) - 6,250,000(high)
local ad valorem tax revenue
none. Already acquired
40,000
local ad valorem tax revenue
100
Drought Preparedness
Use and Reuse Water More Efficiently
Climate Change Response Actions (Adaptation to Climate Change, Reduction of Greenhouse Gas Emissions, Reduce Energy Consumption)
Expand Environmental Stewardship
Practice Integrated Flood Management
Protect Surface and Groundwater Quality
Improve Tribal Water and Natural Resources
Ensure Equitable Distribution of Benefits
Reduce Reliance on the Bay-Delta
Reduce Water Demand
Improved Operational Efficiency and Transfers
Increase Water Supply
Improve Water Quality
Improve Flood Management
Practice Resources Stewardship
Other Strategies (Please Describe)
Groundwater Management Plan
Urban Water Management Plan
Water Meter Requirements
Groundwater Monitoring Requirements
AB 1420 Compliance
BMP Compliance
CEQA Compliance
Water supply reliability, water conservation and water use efficiency
Stormwater capture, storage, clean-up, treatment, and management
Removal of invasive non-native species, the creation and enhancement of wetlands, and the acquisition, protection, and restoration of open space and watershed lands
Non-point source pollution reduction, management and monitoring
Groundwater recharge and management projects
Contaminant and salt removal through reclamation, desalting, and other treatment technologies and conveyance of reclaimed water for distribution to users
Water banking, exchange, reclamation and improvement of water quality
Planning and implementation of multipurpose flood management programs
Watershed protection and management
Drinking water treatment and distribution
Ecosystem and fisheries restoration and protection
Reduced Reliance on the Bay-Delta
Projects that directly address a critical water quality or supply issue in a DAC
Urban water suppliers implementing certain BMPs as on page 17 of Guidelines
Be designed to manage stormwater runoff to reduce flood damage (PRC §5096.827)
Be consistent with the applicable Regional Water Quality Control Plans (Basin Plans) (PRC §5096.827)
Not be a part of the State Plan of Flood Control (SPFC) (PRC §5096.827)

Project team

Part 3 - Benefits