§ Mr. Bryan Daviesasked the Secretary of State for Social Services if she will publish in the Official Report a list showing area health authorities together with a list of water authorities supplying them with drinking water, indicating which water authorities are fluoridating their supplies.
§ Dr. OwenA list of areas in England where the water supply is fluoridated in whole or in part is being prepared so as to take account of boundary changes caused by health service and local government reorganisation. As soon as it is ready, a copy will be placed in the Library and kept up to date.
§ Mr. Bryan Daviesasked the Secretary of State for Social Services if she will publish in the Official Report a list of water authorities which have optional levels of natural fluoride in their water, together with a list of area health authorities now receiving between 0.9 and 1.5 ppm natural fluoride in drinking water.
§ Dr. OwenIt is not possible to give the information because variations in water supply arrangements generally cause the proportion of naturally occurring fluoride to fluctuate above and below these levels. A notable exception is Hartlepool, where supplies from different sources produce a constant level of about 1.4 ppm fluoride.