§ Mr. Gareth WardellTo ask the Secretary of State for Wales if he will publish the number of houses in Wales that have drinking water containing lead levels above those permitted by EC standards; and if he will indicate the location of those properties.
§ Mr. Nicholas BennettThe information requested is not centrally available.
§ Mr. Gareth WardellTo ask the Secretary of State for Wales if he will estimate the number of houses in Wales that would be required to remove lead plumbing if the permitted level of lead in drinking water is changed from 0.05 mg per litre to 0.01 mg per litre.
§ Mr. Nicholas BennettThis information is not available centrally.
§ Mr. Gareth WardellTo ask the Secretary of State for Wales what information is held by his Department on the number of houses in Wales having lead plumbing.
§ Mr. Nicholas BennettThe Welsh House Condition Survey for 1981 estimated that 188,400 houses in Wales had lead plumbing.