Mae'n siom bod dau o'n dyfroedd ymdrochi newydd eu dynodi wedi derbyn dosbarthiadau gwael. Mae Cyfoeth Naturiol Cymru yn gweithio gyda rhanddeiliaid i ymchwilio i'r achosion gyda'r bwriad o nodi lle y gellir gwneud gwelliannau.
It is disappointing that our two newly designated bathing waters received poor classifications. Natural Resources Wales is working with stakeholders to investigate the causes with a view to identifying where improvements can be made.