Ar ôl llifogydd haf 2007 yn Lloegr, comisiynodd Llywodraeth y DU adroddiad gan Syr Michael Pitt. Wrth lunio’r adroddiad hwnnw, cynhaliodd Syr Michael adolygiad cynhwysfawr o’r llifogydd, yr ymateb iddynt a’r trefniadau oedd gan y cyrff sy’n gyfrifol am ymateb.
After the 2007 summer floods in England, the UK Government commissioned a report from Sir Michael Pitt.  In completing that report Sir Michael undertook a comprehensive review of the floods themselves, the response to them and the arrangements that the responding organisations had in place.