This site is currently undergoing revision. For more information, open this link.
This page includes draft credits for manufactured treatment devices. These credits have not been reviewed and approved by the Minnesota Pollution Control Agency

Credits for manufactured treatment devices. The credits are expressed as a percent removal.
Link to this table

Device Manufacturer Total phosphorus (%) Total suspended solids (%)
Tier 1 (Basic) Tier 2 Tier 3
BayFilter w/EMC Media BaySaver Technologies, Inc 50
BioPod Biofilter with Curb Inlet Oldcastle Infrastructure, Inc. 50
Compost-Amended Biofiltration Swale WSDOT 50
ecoStorm plus Watertectonics, Inc. 50
Filterra Bioscape CONTECH Engineered Solutions, LLC. 50
Filterra System CONTECH Engineered Solutions, LLC. 50 58 90
FloGard Perk Filter Oldcastle Infrastructure, Inc. 50
Media Filter Drain WSDOT 50
Media Filtration System CONTECH Engineered Solutions, LLC. 50
MWS-Linear Modular Wetland Bio Clean Environmental Services, Inc. (A Forterra Company) 50 54 82
StormFilter using PhosphoSorb Media CONTECH Engineered Solutions, LLC. 50 65 88
Stormfilter using ZPG Media CONTECH Engineered Solutions, LLC. 50
StormGarden Modular Stormwater Bio-filtration System Environmental Solutions 50
The Kraken Bio Clean Environmental Services, Inc. (A Forterra Company) 50
Up-Flo Filter w/Filter Ribbons Hydro International 50 75