§ Mr. Skinnerasked the Secretary of State for the Environment (1) how often regional water authorities conduct tests for methane gas leaks at pumping stations;
(2) how many tests for methane gas leaks have been carried out at pumping stations by regional water authorities in the last 12 months.
§ Mr. GowDetailed information on tests by water authorities for methane gas at water supply works is not available centrally. In accordance with advice given by the Health and Safety Executive, water supply undertakers are taking safety measures at their water works including appropriate tests for the presence of methane gas.