Agmt01 County of San Mateo NPDES

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an excursion above water quality standards for: a) copper, nickel, mercury, dioxin - like compounds, DDT, dieldrin, chlordane, and PCBs into Lower and South San Francisco Bay; b) sediment in Pescadero Creek, San Francisquito Creek, and San Gregorio Creek basins; c) diazinon in San Francisquito Creek, San Mateo Creek, and in Lower and South San Francisco Bay. 13. It is not feasible at this time to establish numeric effluent limitations for pollutants in municipal storm water discharges. Instead, the provisions of this permit require implementation of Best Management Practices (BMPs) to control and abate the discharge of pollutants in storm water discharges. 14. The San Francisco Estuary Project, established pursuant to CWA Section 320, culminated in June of 1993 with completion of its Comprehensive Conservation and Management Plan (CCMP) for the preservation, restoration, and enhancement of the San Francisco Bay -Delta Estuary. The CCMP includes recommended actions in the areas of aquatic resources, wildlife, wetlands, water use, pollution prevention and reduction, dredging and waterway modification, land use, public involvement and education, and research and monitoring. Recommended action which may, in part, be addressed through implementation of the Dischargers' Plan include, but are not limited to, the following: • Action PO -2.1: Pursue amass emission strategy to reduce pollutant discharges into the Estuary from point and non -point sources and to address the accumulation of pollutants in estuarine organisms and sediments. • Action PO -2.4: Improve the management and control of urban runoff from public and private sources. • Action PO -2.5: Develop BMPs to reduce pollutant loading from energy and transportation. • Action LU -1.1: Local General Plans should incorporate watershed protection plans to protect wetlands and stream environments and reduce pollutants in runoff. • Action LU -3.1: Prepare and implement Watershed Management Plans that include the complementary elements: 1) wetlands protection; 2) stream environment protection; and 3) reduction of pollutants in runoff. • Action LU -3.2: Develop and implement guidelines for site planning and Best Management Practices. 15. It is the Regional Board's intent that this Order shall ensure attainment of applicable water quality objectives and protection of beneficial uses of receiving waters. This