§ Mr. Michael McNair-Wilsonasked the Secretary of State for the Environment if he is satisfied with the quality of water sampling techniques used by regional water authorities to ensure that build-ups of potentially harmful chemicals in drinking water are prevented; and if he will make a general statement about the purity of drinking water.
§ Mr. Denis HowellI am satisfied that the water authorities take all the necessary steps to ensure that the water they supply is wholesome as required by law.