The Big River Watch
Twice a year we run a Big River Watch, and the next one takes place from 25th April to 1st May. These are week-long citizen science surveys in which everyone can take part in a simple activity that helps build a picture of river health across the UK and Ireland.
New for this year, if you’d like to collect even more information about your river, you can also sign up to the Great UK WaterBlitz, and test the water for phosphates and nitrates after you’ve completed a Big River Watch survey.
Our rivers are far from healthy. They’re polluted with sewage, plastic, chemicals and nutrients, and just 15% of river stretches in England are in good overall health.
To restore them, we need more information about how they’re doing. You can help us identify and locate the issues. With the Big River Watch app, you can help us identify the issues, and will contribute to a national data set that will help us build a picture of river health.
Find out more and how to take part here