These profiles also set out bathing water quality compliance results and explain the work they are undertaking with other partners to identify where water quality improvements are needed.
Mae’r proffiliau hyn yn nodi canlyniadau cydymffurfio ag ansawdd dŵr ymdrochi hefyd, ac yn esbonio’r gwaith a wneir gyda phartneriaid eraill er mwyn canfod ble mae angen gwella ansawdd y dŵr.