Storm overflows explained

Published 02/03/2022   |   Reading Time minutes

This week Senedd Members will debate a legislative proposal on the impact of storm overflows, also known as Combined Sewer Overflows (CSOs).

The Environment Act 2021 introduced provisions requiring a reduction in discharges from storm overflows. It received a significant amount of media attention. However, the provisions apply to sewerage undertakers operating in England only, with no equivalent provisions in relation to Wales.

Our new research briefing looks at storm overflows in Wales; how they’re managed, how well they’re understood, and how they’re impacting water quality.

Article by Lorna Scurlock, Senedd Research, Welsh Parliament