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You are here : At Home > Corporate > Environment > River restoration > River Misbourne Restoration

Restoring the River Misbourne

Between September and November 2020, we will be working along a 1km stretch of the River Misbourne located off London Road East in Amersham, in collaboration with Buckinghamshire Council.

The proposed improvements

A new river channel will meander through one of the agricultural fields that surround the River Misbourne before reconnecting to the existing channel. Currently, the channel is generally overwide and straight and sits perched above the valley bottom. Features called berms will create a more meandering form to the current channel too improve the flow velocity and create a more varied habitat for local wildlife including fish, plants and invertebrates. The new channel will be fenced off to prevent the banks from being poached and livestock entering the channel. Cattle crossing points will be installed so that livestock can access the field with no restrictions.

Other works include:

  • Replacing a dilapidated footbridge
  • Creating an informal wetland area to allow the river to come out of the bank naturally during times of high rainfall. A small earth bund will act as a natural flood barrier to prevent any potential increase in downstream flood risk.

 

This is the proposed design for the river restoration

A new meandering channel.

 

The current channel with the new earth berms installed.

 

If you would like to find out more information on the project, please contact Grace Harland (Grace.Harland@affinitywater.co.uk)

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