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B. POLLUTION PREVENTION <br />This includes construction sediment control, material storage control, turf <br />management, parking lot cleaning and street sweeping, litter control, deicing <br />management, vehicle maintenance, storm sewer maintenance, and material storage <br />covers. <br />C. PERVIOUS PAVEMENTS <br />Pervious pavements reduce the amount of runoff by allowing water to pass through <br />surfaces that would otherwise be impervious. This can be accomplished by using <br />products such as "Netlawn" to reinforce turf areas so they are suitable for some <br />parking practices. Other pervious pavements include porous pavers or pervious <br />asphalt. <br />D. INFILTRATION <br />RCWD strongly encourages using Infiltration as a BMP. Due to its sandy soils, the <br />Campus is well suited for the use of this BMP. Using such practices would also be <br />particularly useful in meeting the City of Roseville's requirement to capture the runoff <br />from a one inch rainfall for water quality control. The Campus has implemented this <br />BMP in one parking area on its northeast side as shown in Figure 5. Potential <br />infiltration practices include rain gardens, depressed parking lot islands, swales, sand <br />filters, infiltration basins or trenches, and underground systems. <br />E. FILTERS AND SUMPS <br />Filters and sumps could also be employed in catch basins to add to the ability to <br />capture pollutions contained in runoff. This BMP could be employed in any catch <br />basin on the Campus and would be most effective in treating catch basin flows that <br />are not treated by other BMPs. <br />Northwestern College Master Plan 14 13529.000 <br />Stormwater Management Study <br />