We expect water companies to set out clearly in their plan the outcomes they intend to deliver for their customers including the resilience of their supply whilst protecting the environment.
Rydym yn disgwyl i gwmnïau dŵr nodi’n glir yn eu cynllun y canlyniadau maent yn bwriadu eu cyflawni ar gyfer eu cwsmeriaid gan gynnwys gwytnwch eu cyflenwad wrth warchod yr amgylchedd.