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V. Any of the above could be combined with a more restrictive <br />set of standards as to what 'improvements' are allowed in the 0-75' <br />zone. For instance, it Council's concern in calling permeable fabric <br />hardcover is that someone could replace all the grass in their 0-75' <br />with landscape beds, then place a limit on the percentage of 0-75' that <br />can be anything but natural live vegetation... <br />B. Below-Grade Runoff Filtration Systems <br />This generally would consist of one or more rock-filled <br />trenches designed to intercept runoff from an individual property and <br />allow it to disperse underground rather than as surface runoff. These <br />would likely be constructed at a location in the 0-75' zone where a <br />majority of the surface runoff could be collected. <br />C. Runoff Collection/Redistribution Systems <br />A variation on (B), this would be collection of runoff typically <br />from hardsurfaces in the 0-75 zone, pumping or piping it to a location <br />outside the 0-75' zone for surface dispersal. <br />D. Best Management Practices: <br />-Education program regarding proper use and disposal of <br />residential chemicals such as salt, pesticides, fertilizers,oils and paints <br />-More aggressive street cleaning practices <br />-Provision of yard waste dump site during spring/summer/fall <br />coupled with more aggressive PR campaign against dumping waste in <br />lake/street/drainageways <br />-Required maintenance of vegetated buffer strips at shoreline <br />(Disallow mowing within 20') <br />-Ordinances regulating use of fertilizer and lawn chemicals <br />E. Neighborhood Stormwater Basins <br />These would be used mainly for sediment control, and might be <br />most effective in conjunction with curb & gutter and stormsewers. <br />1 1