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7 M2 <br />STOPPP Stormwater Management Plan <br />applicable to San Mateo County. In <br />addition, the performance standards <br />desct ;be a process for the cities of Half <br />Moon Bay, Menlo Park, Pacifica, <br />Portola ✓alley and Woodside to identify <br />appropriate performance standards for <br />the rural public works maintenance <br />activities that they implement. <br />Industrial and Commercial Discharee <br />Controls and Illicit Discharee Controls <br />• Added new performance standards that <br />require that each of the municipalities <br />will develop written, 5 -year <br />implementation plans that describe how <br />the municipality will meet the <br />performance standards for finding and <br />eliminating prohibited non - stormwater <br />discharges to its storm drain and for <br />conducting business inspections. <br />• Added a new performance standard that <br />heips to implement the NPDES permit's <br />prohibition against illicit discharges by <br />ciarifying that municipalities are <br />responsible for cleaning up illicit <br />discharges when a responsible party <br />cannot be found. <br />• .added a new performance standard to <br />a, :hie\ e a more cost - effective business <br />inspection compliance program by <br />haN ing the municipalities be responsible <br />:or inspecting facilities that have <br />co\ erage under the California Industrial <br />Storm«ater NPDES General Permit. but <br />-eier ring most problems found to the <br />Regional Board staff for correction. <br />Deg elooment and Construction <br />,mtrols <br />• Added new performance standards to <br />help implement the amended NPDES <br />permit's Provision C.3 requirements. <br />This included: 1) a new performance <br />standard to implement the amended <br />NPDES permit's requirement (C.31) <br />that source control measures are required <br />for applicable projects; and 2) a new <br />performance standard to implement the <br />amended NPDES permit's requirement <br />(C.3.e) to assure access permission for <br />municipal, Regional Board, and local <br />vector control staff for stormwater <br />treatment measures. <br />• As part of implementing additional tasks <br />to reduce the contamination of <br />stormwater by mercury, a new <br />performance standard was added to <br />require that each municipality assure that <br />when preparing for building demolition <br />all mercury containing fluorescent tubes, <br />thermostats and other devices are <br />removed and disposed properly. <br />• Revised performance standards from the <br />previous plan to incorporate the <br />amended NPDES permit's Provision <br />C.3's requirements. Examples include: <br />1) a performance standard that required <br />the use of site design and stormwater <br />treatment measures for projects with <br />significant stormwater pollution <br />potential was revised to also require the <br />use of source control and hydrograph <br />modification management measures for <br />applicable projects; and 2) a <br />performance standard for municipalities <br />to require that owners/builders operate <br />and maintain stormwater treatment <br />measures was revised to add more <br />specific requirements based on Provision <br />C.3.e. <br />Stormwater Management Plan Tasks <br />The most significant changes to the Plan's <br />tasks include the following. <br />F sm3xsra�3- 02'swMP rAC Adopted VemionM -EXSUM ooc ES -6 November 4, 2003 <br />