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Administrative Draft Environmental Impact Report Gill Medical Center Project San Joaquin Stormwater Management Program (SWMP) The development and implementation of the SWMP for San Joaquin County was to fulfill requirements for stormwater discharges from the Small Municipal Separate Storm Sewer System (MS4) operators in accordance with Section 402(p) of the Federal Clean Water Act (CWA).The SWMP was also developed to comply with General Permit Number CAS000004, Water Quality Order No. 2003-0005-DWQ.The SWMP continues most of the previous program objectives and proposes a range of continuing and enhanced Best Management Practices (BMPs) and control management effort by the City of Stockton (City) and the County. While named as co-permittees to one permit, the City and County currently have separate programs and submit documents and reports separately to the CVRWQCB. However, the programs are essentially identical and the co-permittees collaborate with each other to address common issues and to ensure consistency in program development and implementation. Although the co-permittees coordinate with each other, each agency is responsible for implementing actions within their respective jurisdictions as related to their storm drains and/or watercourses. The City and County are legal entities with the authority to administer, implement, and enforce the stormwater management program within their separate jurisdictions. The County has prepared a Stormwater Management Program (SWMP) to limit, to the Maximum Extent Practicable (MEP), the discharge of pollutants from the San Joaquin County(SJC) storm sewer system in the Phase II permit areas.The SJC Phase II boundaries are contiguous with those determined by the 2000 Census as urbanized areas within the county, outside of the incorporated cities, with a population estimated at 24,697.The SWMP is reviewed on an annual basis and modifications are submitted to CVRWQCB.The SWMP consists of six minimum control measures (MCM) established by the U.S. Environmental Protection Agency (USEPA) and the SWRCB for Phase II stormwater discharges to result in significant reductions of pollutants discharged into receiving water bodies as follows: Public education and outreach to ensure greater public support and compliance for the SWMP. Public involvement and participation to provide opportunities for the public to play an active role in both the development and implementation of the SWMP and to educate them about stormwater quality issues. Illicit discharge detection and elimination to minimize illicit discharges into the storm sewer system. Construction site runoff control to minimize polluted stormwater runoff from construction activities. Post-construction controls for new development and redevelopment to minimize the impact to stormwater quality. Pollution prevention and good housekeeping for municipal operations to ensure a reduction in the amount and type of stormwater pollutants from routine activities in the operation and maintenance of municipal operations. The following goals and policies of the 2035 San Joaquin County General Plan (San Joaquin County. 2016b.) are applicable to the Project: Utilities and Service Systems 4.21-7 October 2021