Your various correspondents on the issue of water grids and catchment connections seem to have lost the plot in pursuit of semantics!
Michael McNamara (NCE 7 September) says 'the idea of a national water grid should be finally knocked on the head', but using rivers to transfer water between catchments is OK.
As a civil engineering graduate who decided to be a structural engineer, I feel close enough to the lay public to know that they are not interested in discussing the legitimacy of perceived analogies with gas and electricity grids. Most people just want to see sensible investment in redistributing the UK's unevenly allocated water resources.
If the press and public want to label the use of rivers, canals, pipes or whatever as a water grid - so what? The industry should stop squabbling and get on with the job.
Robert C Hairsine (M), BobH@cads. co. uk