Yn ogystal â bod ar gael i helpu trigolion i nodi unrhyw bryderon, mae’r llinell gymorth rhadffôn hefyd ar gael i unrhyw un un ag sy’n sylwi ar broblemau gyda draeniad mewn domeni.
As well as being available to help residents report any concerns, the new helpline is also available to receive calls from anyone who may notice issues with the drainage of spoil tips.