Description
Data from the DDT28 (SGREB service) updated in 2017 with a contractor and the BSIG, and validated on 01/02/2018 by the business department, then updated ad hoc by the BSIG (the latest dated 24/11/2023).
This layer corresponds only to flooding areas outside the regulatory documents (excluding PPR flooding and R111-3 worth PPRI).
Envelope areas of all known floods, either by modelling or by field observation.
It integrates data at different scales:
the final scale is the 25 000th and it is strongly advised not to use it below the 10 000th for precision questions.
Resources
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