Friends of the River Mimram - protect this rare chalk stream

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The Friends of the Mimram

A group of volunteers who want to protect and improve the River Mimram

- one of the world’s 200 rare chalk streams

Our aims


           by hands-on working parties

Success!!! Affinity Water plan to take less water out of the Mimram is approved

Wed 14th May

Free Open Evening

Civic Hall, Old Welwyn

Read more >>>

Wet winter replenishes aquifer

Affinity Water Community Award for educational baords on Singlers Marsh

Do you have photos of the Mimram from a few years ago?

Minister of Environment visits Mimram and hears about problems facing this rare chalk stream. More >>>>