For those in the UK concerned about this and whether it would have a bearing on buying property, eating out etc. the following is a list of areas where Anglian water have added hydrafluosilicate to the water supply.
Lincoln Westgate
Lincoln Branston
Saxilby
Lincoln South
Waddington
Welton
Retford
Barrowby
Harpswell
Everton
Gainsborough
Kirton in Lindsey
Grantham Central
Potton - right of Bedford
Biggleswade
Clayhill
Scunthorpe
Caistor
Winterton
Scunthorpe North
Barrow
Brigg
Shefford
Bedford
Bedford rural
Caenby
Sleaford