Tools for the design and evaluation of sustainable drainage systems (SuDS)

Our suite of tools provides users with the facility to estimate:

  • pre-development greenfield site runoff rates
  • storage volumes required to meet site flow rate controls
  • suitability of different SuDS for treating site runoff
  • infiltration and rainwater harvesting system storage volumes
  • the type of SuDS components applicable for specific site constraints
  • the impact of downstream boundary conditions on design return periods (joint probability analysis).

Help and support

Register for a free UK SuDS account 

  • Access all tools for free
  • Generate pdf reports for specific tools
  • Store data and reports
  • Receive latest news about SuDS and training
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