Difrodwyd y system draenio dŵr wyneb mewn sawl man ledled yr ynys, ac arweiniodd hynny at waith atgyweirio sylweddol i leihau’r perygl o lifogydd pellach mewn eiddo.
At numerous locations across the island, surface water drainage was damaged, requiring substantial repairs to reduce the risk of further flooding to properties.