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Twin Vortex Hydrodynamic Oil Grit Separator

What is a


The SDD3 by NEXT Stormwater Solutions is a hydrodynamic oil and grit separator that utilizes both gravitational and centrifugal forces to capture and retain suspended sediments, floating particles and oils from Stormwater runoff.


The SDD3 unique design ensures optimal storm water treatment during light and heavy rainfall events.

ETV verified since 2016


How it works?


Approved and commercialized
across Canada

From BC to the Maritimes, the SDD3 is the selection of choice  when it comes to hydrodynamic oil and grit separators.

Easy installation

As easy to install as precast manholes.


SDD3 internal device could be factory-installed and or installed on site according to project requirements.


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