Industry challenged to protect more homes from sewer flooding

Water and sewerage companies must be more proactive in protecting homes and businesses at risk of being flooded with sewage, according to the Consumer Council for Water (CCWater).

The call for action comes as the water watchdog publishes a new report which shows almost a third more properties were flooded with sewage during 2016/17, compared to the previous year. Substantial rises from United Utilities (90%) and Thames Water (39%) drove the increase.

Clear way forward: Building a resilient sewerage and drainage system (2016/17) shows that almost 5,700 properties suffered sewer flooding last year. CCWater believes the industry can still do more to protect customers from the often devastating consequences by developing a better understanding of which properties are most likely to flood.

The watchdog is challenging the industry to take the lead in encouraging developers and other partners to consider the use of sustainable drainage systems (SuDs), that can help absorb some of the pressure rainfall puts on the sewer network.

Mike Keil, Head of Policy and Research at the Consumer Council for Water, said: “Sewer flooding is a horrendous ordeal for customers to go through, so we are disappointed to see an increase in the number of properties that have been flooded.”

“Companies usually respond very well to flooding incidents but customers expect more than that. They want peace of mind that their company has done everything it possibly can to protect their home or business in the first place.”

CCWater has applauded the efforts of companies in reducing the number of external areas flooded with sewage, which fell by 11 per cent in 2016/17 and is down by more than a third compared to five years ago.

But the watchdog has promised to keep up the pressure on the industry to deliver on its commitment to reduce the number of properties flooded with sewage by 33 per cent between 2015 and 2020.

It wants to see companies use better modelling to understand which properties are most likely to flood, while working in partnership with other agencies to put in place more effective long-term solutions to flooding. These should include SuDs which remain under used as a solution – particularly in England – despite the positive effect they can have on improving surface water drainage from properties.

You can read the full report here

For more information please call the CCWater media team on 0121 345 1005

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