Virginia DEQ approves innovative stormwater media filtration solution
The State of Virginia's Department of Environmental Quality has approved Oldcastle Stormwater Solutions' Perk Filter, a stormwater media filtration device, for use to meet the new water quality design requirements of the Virginia Stormwater Management Program.
LITTLETON, CO, Oct. 6, 2014 -- At the beginning of September, the State of Virginia's Department of Environmental Quality (VA DEQ) approved Oldcastle Stormwater Solutions' Perk Filter™,a stormwater media filtration device, for use to meet the new water quality design requirements of the Virginia Stormwater Management Program.
The review and approval process required submission of a Manufactured Treatment Device Registration form, Maintenance Manual and Technical Evaluation Report of a field monitoring study used for approval of the Perk Filter under the Washington Department of Ecology TAPE protocol. After comprehensive review, it received a total phosphorus (TP) removal efficiency of 50 percent, as required by the VA DEQ, and has been added to the Virginia Stormwater BMP Clearinghouse website as an approved filter device.
|Oldcastle Stormwater Solutions' Perk Filter|
The Perk Filter is a stormwater media filtration device used to reduce pollutant loading in runoff from urban developments. In addition to the VA DEQ approval, the filter has a general use level designation (GULD) from Washington Department of Ecology for both Basic Treatment and Phosphorous Treatment -- requiring at least 80 percent total suspended solids (TSS) removal and 50 percent TP removal. The Perk Filter is available in multiple configurations, including catch basins, vaults and manholes, allowing the specifier maximum design flexibility.
Impervious surfaces and other urban and suburban landscapes generate a variety of contaminants that can enter stormwater, polluting downstream receiving waters. The Perk Filter captures and retains sediment, oils, phosphorous, metals, and other targeted constituents close to the source and reduces the total discharge load to waterbodies.
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