Stormwater biofiltration system and method
DCFirst Claim
1. A stormwater treatment system with bioretention functionality comprising at least four substantially open vertical sidewalls and a partial horizontal top sidewall affixed to one or more of said sidewalls, wherein when said system is partially buried in the ground, said partial horizontal top sidewall exposes the interior of the system to the atmosphere;
- further wherein said system contains discrete layers of organic and inorganic or a mixture of organic and inorganic material;
provided said system does not have a bottom wall or a sump.
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Abstract
A stormwater treatment system and method for removing sediment, chemical pollutants, and debris from stormwater runoff by utilizing bioretention practices including physical, chemical and biological processes. Stormwater is directed into a primarily open-bottomed, multi-dimensional container whereby entrained sediment and other transportable materials are filtered and treated through a media filter layer consisting of inorganic and/or organic materials. A live plant (preferably a tree) situated within the container with roots resident in the media filter layer with the ability for expansion beyond the perimeter of the container through openings in one or more sidewalls. The treated water may be further conveyed beyond the perimeter of the container by additional openings and/or piping. A vertically positioned overflow/bypass/clean out piping apparatus may be included within the stormwater treatment system to provide additional water conveyance. Additional ancillary conveyance, filtration and storage facilities may be connected to the described stormwater treatment system as conditions warrant.
87 Citations
15 Claims
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1. A stormwater treatment system with bioretention functionality comprising at least four substantially open vertical sidewalls and a partial horizontal top sidewall affixed to one or more of said sidewalls, wherein when said system is partially buried in the ground, said partial horizontal top sidewall exposes the interior of the system to the atmosphere;
- further wherein said system contains discrete layers of organic and inorganic or a mixture of organic and inorganic material;
provided said system does not have a bottom wall or a sump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- further wherein said system contains discrete layers of organic and inorganic or a mixture of organic and inorganic material;
Specification