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A <br />8. Provision C.9: This provision establishes a time schedule for the Dischargers to <br />develop and implement additional performance standards for integrated pest <br />management for use by the municipalities when they conduct pest control activities, <br />and for public outreach and education. Regional Board staff have found that the <br />pesticide diazinon is a pollutant of concern in urban creeks in the Bay Area. <br />This provision also requires that selected municipalities with maintenance <br />responsibilities in more rural areas to develop and implement performance standards <br />for rural public works maintenance activities. Four of the selected municipalities are <br />located in the watershed of San Francisquito Creek, which the State and Regional <br />Boards have listed as impaired by sedimentation. All of the municipalities listed <br />contain water bodies that support steelhead trout, which are Federally, listed as <br />threatened. Pescadero Creek, San Gregorio Creek, and Gazos Creek basins in <br />unincorporated portions of San Mateo County are listed as top priority basins for <br />restoration of coho salmon which are State -listed as endangered and Federally listed <br />as threatened. Pescadero Creek and San Gregorio Creek are also listed by the State <br />and Regional Boards as impaired by sedimentation. <br />This provision also requires that the three municipalities that operate lagoon systems <br />develop jointly performance standards for lagoon management. One of the problems <br />associated with the operation of lagoons is the use of copper containing products as an <br />algaecide. This provision also reflects the Regional Board staff's efforts to integrate <br />the requirements of the Coastal Zone Act Reauthorization Amendments and the goals <br />of the San Francisco Bay Estuary Project's Comprehensive Conservation and <br />Management Plan's goals into storm water NPDES permits. <br />9. Provision C.10: This provision requires that municipalities within the San <br />Francisquito Creek basin develop and implement an erosion control and prevention <br />plan and a diazinon toxicity reduction plan in response to the listing of San <br />Francisquito Creek basin as impaired by sediment and diazinon. <br />10. Provision C.11: Pescadero Creek, San Gregorio Creek, and Gazos Creek basins in <br />unincorporated portions of San Mateo County are listed as top priority basins for <br />restoration of coho salmon which are State -listed as endangered and Federally listed <br />as threatened. Pescadero Creek and San Gregorio Creek are also listed by the State <br />and Regional Boards as impaired by sedimentation. Excess sedimentation is thought <br />to be an significant factor that is limiting the survival and reproduction of coho <br />salmon and steelhead trout in each of the above named basins. Therefore the County <br />of San Mateo is required to develop and implement a road and trail erosion control <br />and prevention plan. <br />11. Provision C.12: This provision requires identification of discharges of the non - <br />prohibited types that the Dischargers wish to exempt from Prohibition A.I. For <br />conditionally exempted discharges which are pollutant sources, the Dischargers shall <br />identify and incorporate into the Plan control measures to minimize the adverse <br />5 <br />