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Project: Martin Slough Enhancement

Description: Funding for this project will be used to restore and enhance rearing habitat for Southern Oregon Northern California (SONCC) Coho salmon and tidewater goby. The project also aims to restore estuarine function, improve fish passage, restore aquatic, wetland, and riparian habitat for other fish and wildlife, improve water quality, and reduce flooding.

Reference Number: 3600BQ1996026

Implemented By: California State Coastal Conservancy

Objective: Specific objectives of this Project are to: 1) Excavate approximately 1,500 cubic yards of sediment from channel, expanding the bottom channel width by an average of 13 feet and the channel depth by an average of 4 feet. 2) Excavate approximately 14,610 cubic yards of sediment from Ponds F, and G. 3) Install 2 root wad habitat structures and 6 log cover structures to channel and off-channel wetlands. 4) Install 6 log weirs at upstream end of restored slough channel. 5) Install 4 root wad deflectors and 5 log constrictors in channel and off-channel wetlands. 6) Plant native vegetation in 3.4 acres of riparian, and 0.53 acres of freshwater marsh. 7) Adjust tide gate to reintroduce muted tide following construction. 8) Distribute approximately 16,110 cubic yards of excavated sediments through one or more of the following methods: 1) haul to White Slough for beneficial reuse in tidal marsh restoration and sea level rise adaptation 2) haul to another suitable location, 3) utilize for fill on the Eureka Municipal Golf Course property.

Type: Restoration, Infrastructure Improvement, Water Management

Total Cost: $1,106,982.00

Project Status: Project Implementation

On Time?: Yes    Within Scope?: Yes    Within Budget?: Yes

Estimated Completion: 3/15/2023    Actual Completion:

Associated Counties:

Project Benefits a Disadvantaged Community (or SDAC): Yes

Contribution SourcesContribution DateContribution Amount
Prop. 1, Watershed Restoration10/3/2019$1,106,982.00

Project MetricMetric TopicQuantityUnit
RestorationEcosystem: Riparian Habitat3.4acres restored/assessed/managed
RestorationEcosystem: Shallow Water/ Marsh/ Wetland Habitat0.53acres restored/assessed/managed
Infrastructure ImprovementFish Passage/Screens  
Water ManagementSediment Removal  

Water Action Plan Target

Protect and Restore Important EcosystemsAction Description
Increase Flood ProtectionAction Description


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