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Level spreader

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Illustration of a level spreader designed to infiltrate road drainage

A level spreader is an erosion control device designed to reduce water pollution by mitigating the impact of high-velocity stormwater surface runoff. It is used both on construction sites and for permanent applications such as drainage for roads and highways. The device reduces the energy level in high-velocity flow by converting it into sheet flow, and disperses the discharged water so that it may be infiltrated into soil.

Level spreaders may be used in conjunction with runoff infiltration devices such as bioretention systems, infiltration basins and percolation trenches.

See also

References

Installation of a level spreader
  1. U.S. Army Corps of Engineers. Construction Engineering Research Laboratory. Champaign, IL. "Level Spreader." Archived 2011-07-22 at the Wayback Machine USACERL Special Report 107-98. Accessed 2009-04-09.
  2. Massachusetts Department of Environmental Protection. Boston, MA. "Erosion and Sediment Control Guidelines for Urban and Suburban Areas." May 2003. p. 109.
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