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River pollution alerts - Rivers Trust


This map shows where the sewerage network discharges treated sewage and overflows of untreated sewage and storm water into rivers in England & Wales in 2023.


Shocked by this map and want to do something about it? Join us in our fight for wild, healthy, natural rivers, valued by all.

Click the icons below to find out more about the different types of sewage discharges and the associated risks:

Remember: Avoid entering the water immediately downstream of these discharges and avoid the storm overflows, especially after it has been raining.

Storm overflows with Event Duration Monitoring

Counted spills using 12-24h counting method
> 99 - 365
> 59 - 99
> 39 - 59
> 19 - 39
> 0 - 19