Tuesday, 13 February 2018

Flood Risk Assessment - Weston-Super-Mare

Flood Risk Assessment - Weston-Super-Mare

Based in Bristol Southwest Environmental Limited have recently carried out a Flood Risk Assessment for a Site in Weston Super Mare.

A large area of Weston Super Mare is low lying and is prone to flooding for tidal (sea) and fluvial (river) sources. In order to assess the risk, it is important to get hold of the best possible data which might indicate future flood depths on site.

Weston s Mare has good flood defences. 


Most of Weston Super Mare would flood in a serve tidal event, if the town did not have flood defences. But luckily it does! The problem is finding out how good these defences are. For example are the defences tall enough to keep flood waters out of the town.

Accurate Flood Risk Mapping can Help Produce a Good Report


The answer for the most part is yes. The flood defences in Weston Super Mare are tall enough to keep out a 1:1000 year tidal flood. But this depends on a few things:


  • Are the strong enough?
  • Have they been well maintained?
  • Will they be maintained in the future?
  • Will they be removed or changed at some point in the future?
The first two question above are fairly easily answered given access to the correct data. However, the the latter two will likley remain unanswered.






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