Thames water funny colour.

Teddy

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12 Aug 2001
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Thames non tidal
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Does anybody know why the river water is such a strange brown colour?

I know strong flow and dredging can stir up the muck on the bottom, but as of last week (when I last looked) it hadn't rained for weeks. I haven't noticed any dredging, if indeed the EA have ever used one. It must be even browner now after the last few days rain.

What is it?
 
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