Corrected 2 October 2026 · version 2.0.0. The first version of this site made claims that were wrong. What changed and why · the original, kept
Waste as Resource logo corrected Waste as Resourceversion 2.0.0 · corrected

Allowance for storm-overflow improvements, 2025-30

£1.1bn2025-30sourcedhigh confidence

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'

← All figures · Storm overflows: the plan