On Fri, 19 Aug 2011 08:15:01 -0500, G. Morgan wrote:
Do you have an alarm system? You could add a wireless water sensor and
have it alert a trouble on the keypad.

Yet another interesting idea!

Yes, in fact I do have a 24-zone alarm system! I don't think I'd want the
security company called every time I run out of water ... but I suspect
that can be programmed to not call them for specific zones.