The Environment agency have launched a new interactive website aimed at helping everyone know how to stay safe in and around water and what a lot of the things going on with/near water is all about ..
Watersafetykids.co.uk
There are many many pop ups on this site and being incredibly high flash based was on the lookout for a HTML version .. please post if you find the link to it ..
www.fenswaterways.com hosts a great deal of the information & is a good introductory site .