2.1 A 12 week public consultation on draft regulations to specify standards for water companies was previously undertaken between 25 November 2016 and 17 February 2017 [1].
2.1 Cynhaliwyd ymgynghoriad cyhoeddus 12 wythnos ar reoliadau drafft i bennu safonau ar gyfer cwmnïau dŵr rhwng 25 Tachwedd 2016 ac 17 Chwefror 2017 [1].