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AutoBahned
Join Date: Jul 2007
Location: Greater Metropolitan Nimrod, Orygun
Posts: 55,993
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the ultimate solution for stuff flushed off roads as well as car washing is swales that capture and hold the runoff while various vegetation breaks it down. that basically means re-landscaping the whole urban area tho.
this is a huge problem tho -- and i wash my car so it drains into the back yard
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