Freshwater blitz - water quality testing on our streams

This weekend the freshwater watch - Thames Blitz over the Thames catchment area took place. Volunteers test for nitrates and phosphates
I did it both last year and this year. It’s free to register and take part. You can explore the data without registering I believe

There are a few Misbourne measurements done this year eg

And Bulbourne

Next year I’ll put out a reminder to register for it
Here’s my tweet about it


Results are available here

freshwater 2021 nitrate
freshwater 2021 phosphate

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