You can write to The Water Calculator at either of the addresses below:

Bathroom Manufacturers Association
Innovation Centre 1
Keele Science & Business Park
Newcastle-under-Lyme
ST5 5NB

Waterwise
89 Albert Embankment
London
SE1 7TP

You can email questions and queries to:
thomas.c@thewatercalculator.org.uk

If you experience difficulties with the operation of this site email:
webmaster@thewatercalculator.org.uk