Overflows

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Overflows

Overflows are a vital part of the waste water network to stop homes and streets flooding during extreme weather. Find out everything you need to know about overflows, including how they work and how we prioritise them for investment. You can also access the data we publish annually, as well as near real time data about discharge events to watercourses in your area on our new Overflow Map

Overflow Map
newly installed CSO on watercourse near Pottery Street, Greenock , to reduce flooding issue

Overflows Explained

Overflows are a vital part of the wastewater network but how do they work and why do we need them?

Overflow Map

Our interactive map captures near real-time data from all monitored overflows across Scotland

Published Overflow Data

Scottish Water Reported Overflow Event Data to SEPA 2019-2023 and Other Overflow Event Data for 2022 & 2023 we have published

Prioritisation of Sewer Overflows in Scotland

High priority assets that have been identified through study and subsequently prioritised for improvement