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Biofiltration/Bioretention

Stormwater management regulations such as Low impact Development (LID) and Green Infrastructure (GI) have proliferated throughout the United States. These regulations direct us to manage stormwater close to the source and mimic predevelopment hydrology to the maximum extent practicable. Green and LID systems are engineered to moderate impacts of land development by providing the same services as natural systems including infiltration, evapotranspiration, filtration, and detention of stormwater

Implementing LID and GI in urban environments is challenging. Many LID best management practices (BMPs) require a footprint larger than what is available on a highly developed site. That doesn’t mean LID is not possible, it just means the solution may take a more engineered form. Contech has addressed this need by offering two unique biofiltration/bioretention solutions – Filterra and Filterra Boxless.

Featured Biofiltration/Bioretention Systems

Filterra

Filterra is an engineered biofiltration system that has been optimized for high volume/flow treatment and high pollutant removal. The combination of landscape vegetation and a specially designed filter media allows bacteria, metals, nutrients, and total suspended solids (TSS) to be removed naturally.

 

Filterra

Filterra Boxless

Filterra Boxless is a bioretention system that uses engineered media in a surface facility contoured into the landscape, without being enclosed in a concrete structure.

Filterra Boxless

 

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