The addition of soil conditioners (surfactants) is not anticipated to increase methyl mercury in the RTM.

All soils excavated during construction, including reusable tunnel material (RTM), would be tested for the presence of constituents, including mercury. The concentration of these constituents would […]

The largest extent of dewatering flows on the Delta Conveyance program construction sites would probably be from the vertical tunnel shaft locations, which would extend less […]

Hydrodynamic modeling has not yet been conducted. However, it is expected from previous modeling that the intake structures would not materially impact the water levels in […]

The geotechnical data currently being evaluated consist of summary reports, well drilling reports and/or soil investigations by DWR (including flood projects), Caltrans and other state agencies. […]

DWR will evaluate the potential for harmful algal blooms through a comparison of conditions with and without implementation of the project and alternatives. This comment is […]

The environmental impact analysis for Delta Conveyance has not yet started. Mitigation plans have not been developed for the program, and restoration locations have not been […]

DWR will assess potential impacts to fish and wildlife (including plants) and associated habitat during future environmental compliance activities, including the CEQA environmental review process. This […]

See attached response.