“Nid trwy ddamwain y sicrhawyd y ffigurau hyn. Maent yn ganlyniad uniongyrchol i  waith caled pobl leol, awdurdodau lleol a sefydliadau megis Cyfoeth Naturiol Cymru a Dŵr Cymru. Ers 2001, maent wedi buddsoddi mwy na £1 biliwn mewn trin carthffosiaeth a gwella’r rhwydwaith.
“These figures are no accident. They are the direct result of a lot of hard work by local people, local authorities and organisations like Natural Resources Wales and Dŵr Cymru Welsh Water, who have invested more than £1 billion in sewage treatment and network improvements, since 2001.