Ry'n ni'n gwybod y byddai effaith llifogydd wedi bod yn waeth oni bai am ein rhwydwaith ni o amddiffynfeydd a gwaith diflino ein Hawdurdodau Rheoli Risg.
We know that the impact of flooding would have been worse, were it not for our network of defences and the tireless work of our Risk Management Authorities.