Tentative Orders

A Tentative Site Cleanup Requirements (SCR) Order is being considered for the Dow Chemical Company and Corteva for its Pittsburg facility (Contra Costa County). The Order would update the existing SCRs for the ongoing remediation of volatile and semi-volatile organic compounds in the site's groundwater. The public comment period is closed. A Tentative Waste Discharge Requirements and Water Quality Certification Order is being considered for U.S. Army Corps of Engineers, 2020-2024 Maintenance Dredging Program. The Order would regulate maintenance dredging in the federal navigation channels in the San Francisco Bay Area and disposal of the dredged sediment over a five-year period. The public comment period is closed. A Tentative Site Cleanup Requirements (SCR) Order is being considered for the Phillips 66 Company pipeline release at Concord Naval Weapons Station and 330 Holly Drive, Concord (Contra Costa County). The Order would rescind the existing SCR for remediation because the remediation has been completed and site conditions meet the criteria for low-threat closure. The public comment period is closed. A Tentative Site Cleanup Requirements (SCR) Order Amendment is being considered for the former Shell Martinez Refinery in Martinez (Contra Costa County). The Order would amend the existing SCRs by recognizing the transfer of ownership of the Refinery, and add the new owner to the list of parties responsible for site cleanup. The public comment period is closed. A Tentative Site Cleanup Requirements (SCR) Rescission Order is being considered for the TransMontaigne Terminal in Martinez (Contra Costa County). The Order would rescind the existing SCRs because cleanup of the site is now complete. The public comment period is closed.

A Tentative Order is being considered that would rescind the Site Cleanup Requirements for the TransMontaigne storage terminal in Richmond (Contra Costa County). The cleanup order is no longer needed because the cleanup standards at this site have been achieved. The public comment period is closed.

An NPDES Permit is being considered for The Exploratorium, San Francisco, San Francisco County. The Order would regulate discharge of about 0.5 million gallons of non-contact heating and cooling water, desalination concentrate, and filter backwash to San Francisco Bay. The San Francisco Bay Water Board will consider this item at its January 13, 2021 Meeting. The public comment period is closed.