Curb cuts

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  Curb cut into a bioretention facility in Hinsdale, IL.
  Decorative aggregate in the center of the facility reduces erosion and dissipates power inflow around the inlet area. A monitoring/maintenance well can be seen in the foreground.
  Photo credit: CNT

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  Curb cut into a bioretention facility in Brown Deer, WI.
  Aggregate is used to reduce erosion around the inlet area. Photo credit: Aaron Volkening

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

A broad category of particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates, and available in various particulate size gradations.

A broad category of particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates, and available in various particulate size gradations.