Information about minimum design standards for surface water drainage on new developments and explains what a sustainable drainage systems is as well as providing interim standing advice.
From April 2015 the requirements for design of surface water drainage on new developments were strengthened. Changes to planning legislation requires the Local Planning Authority to consult with the Lead Local Flood Authority (LLFA) on all major applications. In the East Riding, the Council Lead Local Flood Authority is the Local Planning Authority.
The government have stipulated that planning authorities are expected to:
The Lead Local Flood Authority has developed interim standing advice for the use of applicants and planners to help then make an application and determination respectively:
Surface Water Drainage Systems Design - standing advice (pdf 127kb opens in new window)
For further information about flooding in the East Riding please visit our flooding pages.
Sustainable drainage is a departure from the traditional approach to draining sites. There are some key principles that influence the planning and design process enabling SuDS to mimic natural drainage by:
For more information about SuDS please visit the Susdrain website:
Susdrain (external website)
The council is currently developing its own guidance and specification. In the meantime the following accredited standards will be considered:
You can get further information by contacting our Flood Risk Management Team:
Flood Risk Management Room AS67 East Riding of Yorkshire Council County Hall Beverley HU17 9BA