It provides the Environment Agency with a strategic oversight for all flood and coastal erosion risks in Wales, and increases their role in support of the Welsh Assembly Government.
Mae’n rhoi arolygiaeth strategol i Asiantaeth yr Amgylchedd dros yr holl risgiau llifogydd ac erydu arfordirol yng Nghymru, ac yn rhoi rôl ehangach iddi wrth gynorthwyo Llywodraeth Cynulliad Cymru.