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Design your own hydrodynamic separator

DYOHDS™ is an exclusive online design tool to help you quickly prepare designs for estimates/project meetings and be more efficient with your time. Input your design criteria, and the DYOHDS will select the appropriate HDS unit(s) for your site.

Benefits include:


  • Unit size based on selected mean particle size and targeted removal percentage
  • PDF report includes detailed performance calculations, specification and standard drawing for the unit that was sized
  • Localized rainfall data allows for region specific designs
  • Site specific questions ensure the selected unit will comply with site constraints.
  • Choose from three HDS technologies - CDS®, Vortechs® & VortSentry® HS