Modular Wetlands’ MWS Linear has been approved by the City of Portland as laid out in the Appendix B: Submission Guidelines for Manufactured Stormwater Treatment Technologies.

The approval is based upon findings from Portland State University, a third-party reviewer of water quality monitoring and performance data. The Modular Wetlands’ MWS Linear has been deemed to meet the pollution reduction requirements of the 2014 SWMM.

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The MWS Linear is the most efficient and versatile biofiltration system on the market, and the only stormwater biofilter using horizontal flow which improves performance, reduces footprint, and minimizes maintenance.