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1 Draft Supplemental Environmental Impact Report Page IV.G-4 Forward Inc. Landfill 2018 Expansion Project System, NPDES No. CA0082911) cover the operation of the Forward Landfill(combined Forward and former Austin Road Landfills)and Discharge of Treated Groundwater(former Austin Road Landfill), respectively. ' The RWQCB provides oversight for the protection of surface water and groundwater resources that could be compromised by the landfill operations over time by requiring (as part of the WDRs) the monitoring, sampling, analyses, and reporting of surface water and groundwater. ' The RWQCB has reviewed or is currently in the process of reviewing the various reports and communication related to the Forward expansion. Conditional approval has been given for of the monitoring well destructions. The RWQCB has issued requests for addressing water quality ' violations based on monitoring results.All proposed changes to landfill operations and monitoring that affect groundwater or surface water such as,modifying the groundwater treatment system, changes to the landfill gas collection system, surface water(South Littlejohns Creek) modification as proposed for the South Branch of South Littlejohns Creek, definition of groundwater volatile organic compound (VOC)impacts, and new monitoring locations to replace existing wells proposed to be removed during project implementation, are reviewed by ' the RWQCB.With or without the proposed project, the RWQCB will continue to regulate the Forward Landfill.This oversight continues after the landfill is closed for a minimum post- closure period of 30 years. ' San Joaquin County ' The San Joaquin County General Plan has no specific groundwater protection element,but a number of policies in Public Health and Safety element of the General Plan describe the need for protection of water quality. In addition, as described above,the San Joaquin County Public ' Health Services (SJCPHS)has additional regulatory oversight that could relate to groundwater resources Landfill Special Waste Program Controls ' Special treatment programs that are ongoing at Forward Landfill include ash disposal, sludge solidification, co-generation plant, asbestos disposal, treated wood waste, groundwater ' treatment, and landfill gas management. These program elements are summarized in the Project Description. All such programs have required controls,testing, procedures and protocols that are reviewed and approved by the regulators. Regional Surface Hydrology Topography and Geography The terrain at the landfill and surrounding vicinity consists of a relatively featureless plain.Both the North and South Branches of South Littlejohns Creek traverse the site,generally flowing from the east to the west,however the North Branch has been relocated north of the landfill footprint and a new future north-south creek crossing is proposed on this Branch. The South Branch of South Littlejohns Creek is proposed to be re-routed as part of the Project. Original ground surface elevations range from 30 to 40 feet above mean sea level(amsl). Currently