Design Center mobile

Design Your Own Hydrodynamic Separator

The DYOHDS® tool fully automates the design process for hydrodynamic separators and provides calculations, drawings, and specifications that can be used for creating project plans.

What Is Your Design Need?


  • Select from multiple sizing methodologies - Water Quality Flow Rate and Net Annual Removal.
  • Choose from three HDS technologies – Cascade SeparatorTM, CDS®, and Vortechs®
  • Site specific questions ensure the selected unit will comply with site constraints.
  • PDF report includes detailed performance calculations, specification and standard drawing for the unit that was sized
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