HC Deb 15 April 1948 vol 449 cc86-7W
72. Viscount Hinchingbrooke

asked the Minister of Health for what purposes chlorination of the London water supplies is still taking place.

Mr. Bevan

Chlorination has been the standard practice of the Metropolitan Water Board since 1926. It is regarded as an indispensable part of the various processes of treatment and purification that ensure the purity of the water supplies of London.

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