The Crane Valley Partnership
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Posted by Ilse Steyl Posted on 2014-07-04

Pollution incident at Whitton Brook

Message from Thames Water

I regret to inform you that following a blockage in our sewer network on the 2nd July, there was a pollution to the Whitton Brook and the River Crane, half a mile downstream at the point where the two watercourses join.  Although changes in the dissolved oxygen levels within the River Crane initially caused concern, there does not appear to have been any detrimental ecological impact on the river, as far as we or the Environment Agency can see.

The blockage of fat, oil and grease (FOG) was successfully cleared around 5AM on the 3rd July.  The pollution has been contained and the aeration equipment we put into the river is improving dissolved oxygen levels.  We are also carrying out clean-ups where necessary.

In addition, further camera surveys and sewer cleans are being carried out to help ensure this does not happen again.  Hounslow is one of our worst three boroughs (out of more than 100) for blockages caused by people putting wet wipes, fat etc down drains.  We have a major campaign being planned to highlight this issue and would welcome support from CVP members in due course.  We will continue to work with the Environment Agency until the river is completely back to normal.