Flood

The Flood and Water Management Act 2010 defines a flood as ‘…any case where land not normally covered by water becomes covered by water.’

Causes of flooding include:

• Heavy rainfall.
• A river overflowing or its banks being breached.
• A dam overflowing or being breached.
• Tidal waters.
• Groundwaters.

It does not include:

• A flood from any part of a sewerage system, unless wholly or partly caused by an increase in the volume of rainwater (including snow and other precipitation) entering or otherwise affecting the system.
• A flood caused by a burst water main (within the meaning given by section 219 of the Water Industry Act 1991).

Floods may have a harmful consequences on:

• Human health.
• The social and economic welfare of individuals and communities.
• Infrastructure.
• The environment (including cultural heritage).

[edit] Articles about flooding on Designing Buildings include:

• ‎Active resistance measures.
• Amphibious construction.
• Applying flood resilience technologies GG 84.
• Aquifer.
• BRE flood resilient repair project.
• BREEAM Flood risk management.
• BREEAM Surface water run-off.
• Building flood resilience.
• Catchment flood management plan.
• Changing attitudes to property flood resilience in the UK.
• Coastal defences.
• Dam construction.
• Dyke.
• Elevated construction.
• Environment Agency.
• Fighting flooding in the 21st century.
• Flash flood.
• Flood and Water Management Act.
• Flood defences.
• Flood Insurance.
• Flood level.
• Flood mapping key to future development in Wales.
• Flood plain.
• FloodRe.
• Flood recoverability.
• Flood resilience.
• Flood resistance.
• Flood resilient house.
• Flood risk assessment.
• Flood risk.
• Flood Risk Framework.
• Flood risk management plan.
• Floodscape.
• Flood warning system.
• Floodwater.
• Flood zone.
• Future flood prevention.
• Future Water, The Government’s water strategy for England.
• Groundwater control in urban areas.
• Groundwater.
• Leeds flood defences.
• Levee.
• Natural flood management.
• Pitt Review Lessons learned from the 2007 floods.
• Planning for floods.
• Priorities for Wales during COVID-19 economic recovery.
• Property flood resilience.
• Pumps and dewatering equipment.
• Relief well.
• River engineering.
• Submersible bridge.
• Sustainable urban drainage systems.
• Temporary flood defences.
• Ten years on - Lessons from the Flood on building resilience.
• Types of flood.
• Thames barrier.
• Tsunami.
• Water engineering.
• Water table.
• Workplace design – flood protection.

[edit] External references

• Report of a review of the arrangements for determining responsibility for surface water and drainage assets. DEFRA, 2020.