Well, the Drinking Water Inspectorate talks about it all the time and carry out a pretty comprehensive survey programme to make sure that orthophospate is being

Well, the Drinking Water Inspectorate talks about it all the time and carry out a pretty comprehensive survey programme to make sure that orthophospate is being added in areas likely to have remaining lead pipes. Lead service pipes are getting pretty rare now (but yes, should check on a survey and not included as standard) but there are still quite a few older buildings with interior lead pipes.