Downstream Defender®

The Downstream Defender is an advanced hydrodynamic vortex separator that provides impressive and reliable removal of fine and coarse particles, hydrocarbons and floatable debris from surface water runoff, delivering high levels of stormwater treatment over a wide range of flow rates.

Available in a range of sizes, it can function as either pretreatment or as a stand-alone device, providing engineers and contractors with a flexible, cost-effective stormwater management option.  

Downstream Defender Rendering

Downstream Defender Rendering

Downstream Defender Rendering

Overview

The Downstream Defender is an advanced hydrodynamic vortex separator that provides impressive and reliable removal of fine and coarse particles, hydrocarbons and floatable debris from surface water runoff, delivering high levels of stormwater treatment over a wide range of flow rates.

Available in a range of sizes, it can function as either pretreatment or as a stand-alone device, providing engineers and contractors with a flexible, cost-effective stormwater management option.  

Targeted Pollutants

  • Fine and coarse particles / total suspended solids (TSS)
  • Floatable trash and debris
  • Liquid- and sediment-bound oils and hydrocarbons
  • Sediment-bound heavy metals
  • Sediment-bound nutrients


Applications

The Downstream Defender reliably treats surface water runoff from impermeable surfaces including highways, car parks, industrial areas and urban developments

  • As part of green infrastructure, LID or LEED systems
  • Areas where high solids and trash capture are a must
  • Control of silting upstream of wetlands, ponds and basins
  • Industrial stormwater pollution control

Benefits

  • Save space and money
  • Adaptable
  • Cut headloss

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