What is a WaterBlitz?

A WaterBlitz is a FreshWater Watch activity for the whole community. Usually hosted over one weekend, members of the public can sign up to receive a free water testing kit and become citizen scientists by testing a water body local to them. The data collected by hundreds of people over this same time period gives us an accurate and comparable snapshot of water health within a region. Learn more with our WaterBlitz leaflet.

The WaterBlitz runs in the Bristol-Avon catchment and Thames Valley in the UK, as well as Sweden, Italy, France, Ireland and Luxembourg.

For information about how to organise your own WaterBlitz, contact us.

Recent events

Thames WaterBlitz

25-28 September 2020

An amazing 879 volunteers took part in our largest ever Thames Valley event! Read the full WaterBlitz report and view our interactive data map.

Find out more

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Image credit: John Hunt