We want your views on guidance that will be issued under the Water Industry Act 1991 (as amended by section 40 of the Water Act 2003).
Hoffem glywed eich barn ar ganllawiau a fydd yn cael eu cyhoeddi dan Ddeddf y Diwydiant Dŵr 1991 (fel y'i diwygiwyd gan adran 40 o Ddeddf dŵr 2003).