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Draft Supplemental Environmental Impact Report Page IV.G-3 Forward Inc. Landfill 2018 Expansion Project California Water Resources Control Board As previously stated, the WRCB administers water rights,water pollution control, and water quality functions statewide. The WRCB also provides policy guidance and budgetary authority to the nine RWQCBs that includes the Central Valley Region 5,which conduct planning, permitting, and enforcement activities. The WRCB and the RWQCB's share the responsibility under the Porter-Cologne Act to formulate and adopt water policies and plans and to adopt and implement measures to fulfill the Clean Water Act requirements. In the project site vicinity, the Regional Water Quality Control Plan for the Central Valley Region 5E serves to protect water quality consistent with identified beneficial uses. State policy for water quality control in California is directed toward achieving the highest water quality consistent with maximum benefit to the people of the state. Therefore, all water resources must be protected from pollution and nuisance that may occur from waste discharges. Beneficial uses of surface waters, groundwater, marshes, and mud flats serve as a basis for establishing water quality standards and discharge prohibitions to attain this goal. One point-source control strategy of the State is the requirement for new development to use site-specific best management practices (BMP)and to follow a Stormwater Pollution Prevention Plan (SWPPP)for construction areas greater than one acre. The SWPPP program measures are intended to prevent or minimize the potential release of toxic or hazardous pollutants in significant amounts to discharge waters. A BMP program is required to include information of potential releases and management of solid and hazardous waste. A SWPPP program is designed to monitor primary collection areas of stormwater and depending on the site use and overall area, analytical testing of stormwater discharge may be required. California Regional Water Quality Control Board, Central Valley Region The Central Valley (Region 5)RWQCB, located in Sacramento,is responsible for the oversight of the currently proposed landfill expansion and the agency reviewing the Forward Landfill application that might affect water quality (such as the expansion of waste cells that might generate leachate or re-routing of the South Branch of South Littlejohns Creek), or otherwise make changes to existing monitoring programs (such as abandoning and replacing monitoring wells). The current RWQCB Order for Forward Landfill is the February 2014 Waste Discharge Requirements (WDRs)R5-2014-0006, which included, among other modifications, the lowering of base grades to the regulatory limit of 5-ft above the historical high groundwater level and the land application of cannery waste in the northern portion of the site (north of the northern creek). Municipal Separate Storm Sewer (MS4)Permit and the regulations contained in the Industrial General Storm Water Permit Order No.2014-0057-DWQ also may apply. Additional regulatory oversight that could relate to groundwater resources may come from the California Department of Toxic Substances Control (DTSC), the San Joaquin County Public Health Services (SJCPHS), or the California Integrated Waste Management Board (CIWMB). The RWQCB is now structured to promote a watershed-based approach toward implementation of programs, with particular emphasis on integration of programs within county watershed management areas. The RWQCB issued WDRs for both the Austin Road Landfill and the Forward Landfill. The current Central Valley RWQCB WDR Order No. R5-