Lwfans ar gyfer gwella gorlifoedd storm, 2025-30
£1.1 biliwn2025-30ffynhonnellhyder uchel
Ofwat, Overview of Dŵr Cymru's PR24 final determination'Dŵr Cymru is expected to deliver a 30% improvement to storm overflows supported by an expenditure allowance of £1.1 billion'