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

Featured tools

Greenfield runoff rate estimation

Tool to estimate runoff rates based on basic site characteristics information.

Access tool

Surface water storage volume estimation

Tool to estimate storage volumes required to control stormwater runoff to meet peak flow and volume control criteria.

Access tool

Water quality assessment for SuDS developments (SuDS manual)

Tool to give an indication of the suitability of different combinations of SuDS components to mitigate water quality risks.

Access tool

Support

Do you need help with your SuDS design?

We offer consultancy support to assist you in meeting planning consent conditions.

Read more

Training

HR Wallingford provides training in the use of UK SuDS tools, plus planning and design of SuDS to meet current standards and best practice.

Read more

FAQs

Check out our frequently asked questions about sustainable urban drainage and our tools.

Read more

Register for a free UK SuDS account 

Support

News