Downstream Defender®

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Designed to meet most stormwater regulations, the Downstream Defender® uses a vortex which is induced from the incoming tangential flow. Pollutants are directed towards the sump of the chamber while treated flow travels around the inner annulus to the outlet.

  • Remove up to 60-90% Total Suspended Solids (TSS) with a mean particle size of 150 microns
  • Small footprint
  • Removes sediments, floatables, oils and grease
  • No re-entrainment of previously captured pollutants

Roads, carparks, commercial properties
Ports, airports, construction sites
Industrial and commercial facilities
Offline and online treatment of existing stormwater reticulation

Case Study

Taupo Hole-in-one

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