UK heatwave: How much water does Wales pump to England?

Name: UK heatwave: How much water does Wales pump to England?
Uploaded: 2018-07-28T11:37:22.000Z
Duration: 36 s
Description: Does this heatwave increase how much water is pumped from Wales to England?

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It is a contentious issue, but how much water goes from reservoirs and rivers in Wales to people in England?

Wales

28 July 2018