Lower Marsh Creek Stream Corridor Restoration Program
NOD - Notice of Determination
Contra Costa County Flood Control and Water Conservation District
The Lower Marsh Creek Stream Corridor Restoration Program (Program) is a creek restoration and flood risk reduction Program proposed by the Contra Costa County Flood Control and Water Conservation District ("District") and American Rivers, a national nonprofit organization that protects wild rivers, restores damaged rivers, and conserves clean water for people and nature. The goal of the Program is to incentivize willing landowners and developers to work with the District and other local partners to improve Marsh, Deer, and Sand creeks. Implementation of the proposed Program will result in: 1) improved habitat conditions for fish, birds, reptiles, and amphibians by providing a mosaic of riparian, floodplain, wetland, and aquatic habitat types for these species to utilize, 2) expanded channel capacity to meet or exceed flood channel conveyance capacity, 3) improved local water quality by shading the creek and reducing mobilization of fine sediments, and 4) improved public recreational opportunities. The CEQA document has been developed to put in place the environmental compliance mechanism necessary to alleviate uncertainty and complexity associated with implementing creek restoration projects, which would further incentivize landowners and developers to participate. Construction would occur during the summer and fall months and occur over an approximately a 45-working day period. Excavation and grading activities would occur during the dry season (July to October) with plant restoration occurring afterwards (November to December}. Construction activities will be generally limited to the hours between 7:00 a.m. to 5:00 p.m. Real property transactions, including right-of-way acquisition and temporary construction easements for access and staging areas and permanent easements for access and maintenance may be necessary in support of Program projects.
Marsh Creek from Balfour Road in Brentwood to the Contra Costa Canal just north of Cypress Road in Oakley; Sand Creek from Highway 4 in Brentwood to its confluence with Marsh Creek in Brentwood; Deer Creek from the Deer Creek Detention Basin in Brentwood to its confluence with Marsh Creek, Contra Costa County
Notice of Determination
Contra Costa County
Approving Agency Role
Final Environmental Document Available at
Contra Costa County Public Works Department
255 Glacier Drive, Martinez, CA 94553
(1) The project will have a significant impact on the environment
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
(3) Mitigated measures were made a condition of the approval of the project
(4) A mitigation reporting or monitoring plan was adopted for this project
(5) A Statement of Overriding Considerations was adopted for this project
(6) Findings were made pursuant to the provisions of CEQA
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