Environmental Impact Statement - Sonoma Land Trust

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California Department of Fish and Game U.S. Fish and Wildlife Service Chapter 2. Alternatives North of Highway 37—Diked Seasonal Wetlands Activities in this geographical region of the project would be the same as described for the Project. North of Highway 37—California Red-Legged Frog Habitat Enhancement and Other Upland Areas Activities in this geographical region of the project would be the same as described for the Project. Operation and Maintenance No Action Alternative North of Highway 37 South of the Railroad tracks There would be no tidal marsh restoration operation and related maintenance work required. CDFG would perform no habitat maintenance. Maintenance activities would consist of limited patching of the levee, and limited invasive species management, as feasible based on funding. Existing roads on the site would be maintained as feasible. Existing buildings and other structures on CDFG property would most likely be maintained for use if structurally sound. If necessary, structures that are targets of vandalism and/or used by trespassers would be removed. Given current budget constraints, CDFG cannot commit to providing pumping to remove stormwater and groundwater seepage from the property or to maintaining the stormwater management system. Performance of the stormwater management system is likely to decline over time as the pumps age. It is unlikely that there would be adequate funding to perform all required pump and stormwater conveyance system maintenance activities. Railroad to Highway 37 USFWS would continue to maintain its components of the stormwater management system by performing periodic maintenance of the stormwater drainage ditches (see below), as feasible based on available funding. USFWS would also continue invasive species control to the degree feasible with available funding. Sonoma County would continue to maintain Reclamation Road. SLT would continue to offer controlled public access (i.e., guided walks). Maintenance of the CRLF habitat would include the following activities to the Sears Point Wetland and Watershed Restoration Project Final Environmental Impact Report/Environmental Impact Statement 2-41 April 2012
California Department of Fish and Game U.S. Fish and Wildlife Service Chapter 2. Alternatives extent feasible: bullfrog control, invasive plant removal, willow planting, and 5 years of monitoring to determine use by CRLF. Partial-Tidal and Full Tidal Alternatives South of Highway 37—Tidal Marsh Areas The primary operations and maintenance activities related to tidal restoration south of the rail line are levee maintenance, vegetation management, and mosquito control. During the pre-breach period where vegetation is being established in non-tidal flood/drain management, there will may be a need to monitor water and salinity levels and adjust them through operation and maintenance of interim water control structures.irrigation systems. Weed inspections and interim weed control via spot-spray herbicide and/or mowing wouldmay be conducted primarily along the levee shoreline. A mosquito abatement program would be established by CDFG in coordination with MSMVCD as needed. During tidal marsh succession, maintenance would focus on invasive weed inspection, detection and removal, through the summer and fall, focusing on June and October, during peak flowering of principal weeds, as funding allows. Annual shoreline inspections for hazardous or nuisance debris, such as flotsam including boat docks, creosote-treated pilings or lumber, oil-contaminated debris, and plastic refuse, would be conducted. Unacceptable accumulations of debris would be removed by manual transport or truck. Diked Baylands Railroad to Highway 37—Diked Seasonal Wetlands and Ongoing Wetland-Compatible Agriculture Operation and maintenance activities within the diked baylands would primarily involve levee maintenance, vegetation management within restoration areas, maintenance of the stormwater conveyance system including culverts and ditches, maintenance of the stormwater pumping stations, and mosquito control. Vegetation management and mosquito abatement in the area owned by USFWS would be conducted in accordance with the Comprehensive Conservation Plan. Mosquito abatement would also be subject to the Mosquito Management Plan. Stormwater Conveyance System In order to assure that existing levels of flood protection are provided, the stormwater conveyance system will require the following regular maintenance activities. Sears Point Wetland and Watershed Restoration Project Final Environmental Impact Report/Environmental Impact Statement 2-42 April 2012
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Sears Point Wetland and Watershed R
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Sears Point Wetland and Watershed R
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Contents List of Tables ...........
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California Department of Fish and G
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Executive Summary This summary prov
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Table ES-1. Summary of Impacts and
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Table ES-1. Continued Page 3 of 141
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Table 1-1. List of Local, State, an
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Table 3.5-2. Special-Status Species
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Section 3.7 Agricultural Resources
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Sonoma Land Trust Chapter 4. Consul
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Chapter 5 Public Involvement and Sc
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Sonoma Land Trust Chapter 7. Refere
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Environmental Impact Statement - Sonoma Land Trust

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