Flooding and flood water management in Hampshire

Sustainable Drainage Systems (SuDS)

Implementation of the SuDS

Under Schedule 3 of the Flood and Water Management Act (2010) Hampshire County Council was identified as the SuDS Approving Body (SAB) which would have required the County Council to approve, adopt and maintain SuDS schemes new development above 1 hectare.

However, the latest information from the Department for Communities and Local Government (DCLG) effectively removes the SAB and proposes to implement SuDS through the planning process.

The Lead Local Flood Authority is the County Council, which would become a statutory consultee in the planning process,but would not be responsible for adopting or maintaining SuDS features.

The start date for this new role is scheduled to be 6 April 2015, however there is still secondary legislation to be put in place.

What are SuDS?

Sustainable Drainage Systems (SuDS) are designed to mimic the natural drainage of surface water, typically managing rainfall close to where it falls. Surface water flows are then slowed down and discharged at a controlled rate before it enters a watercourse. They can also store water, allow it to soak into the ground or enable evaporation from surface water. SuDS offer a wide range of benefits.

They can:

  • manage flood risk
  • maintain and improve water quality
  • maintain and increase biodiversity
  • provide amenity and green open spaces
  • maintain groundwater recharge though infiltration

SuDS features include:

  • Filter strips and swales
  • Filter drains and permeable surfaces
  • Infiltration devices
  • Basins and ponds

Further information on SuDS:

Sustainable drainage

Contact us

For further information on Sustainable Drainage Systems in Hampshire:

Email: fwm@hants.gov.uk