Flooding in Greater Manchester
In Greater Manchester, flooding is one of the highest risks in the county with over 55,000 properties at risk of flooding. There are two types of flooding most common in Greater Manchester
- Flash flooding (pluvial flooding) caused by periods of intense heavy rain overwhelming drains and water courses; and
- River flooding (fluvial flooding) stemming from long periods of rain, possible snow melt, and water feeding into rivers from high ground
There are a large number of agencies which are involved in responding to floods in Greater Manchester. The Environment Agency maintains and operates flood defences and provides a 24-hour flood warning service for properties at risk from river flooding.
There are three categories of flood warning:
The impact of storm Eva on Boxing Day 2015 was felt across most of Greater Manchester, with many boroughs suffering flooding and damage to property; 2,200 properties were flooded. In 2016, flash flooding in Stockport following extremely heavy rain saw 200 properties flooded.
According to the Sustainable Cities report 2011, the average insurance cost for flood-damaged properties is circa £28,000
The Consequences of flooding
- Risk to life
- Injuries, health and psychological impacts
- Damage to homes and businesses, sometime rendering them uninhabitable for periods of time
- Damage to roads and infrastructure
- Disruption to utilities such as electricity and water
- Pollution and contamination of the local environment
- Economic damage to businesses, tourism and agriculture
- Some of the consequences may take months or even years to recover from in the event of serious flooding
What are we doing in Greater Manchester?
Many agencies are involved in responding to floods. The Environment Agency maintains and operates flood defences and provides a 24-hour flood warning service for properties at risk from river and tidal flooding. Your Local Authority also has a leading role in any response to flooding. As members of the GMRF we also work to manage the risk of flooding in Greater Manchester by:
- maintaining borough multi-agency flood response plans and identifying vulnerable locations at risk of flooding such as schools or hospitals
- developing guidance and a range of methods to warn the public about flood risk and forecasted flooding
- ensuring we have capability to provide temporary shelter or accommodation for residents affected by flooding
- continuing to invest in maintaining and improving flood defences in our high-risk areas
- working to map and improve our understanding of areas at high risk of surface water flooding.