Risk of Flooding
from Rivers and Sea

The Environment Agency RoFRS data shows the chance of flooding from rivers and the sea presented in categories taking account of flood defences and the condition they are in, and describes the suitable uses of the data.

It uses local water level and flood defence data to model flood risk across 40 different flood likelihoods. Results are put into categories and checked by local experts.

High: greater than 1 in 30
Medium: 1 in 30 to 1 in 100
Low: 1 in 100 to 1 in 1,000
Very Low: less than 1 in 1,000

Publication May 2016
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