At the suggestion on an earlier post regarding irrigation water usage, I installed a FLUME monitoring device on my irrigation water meter. This simple to install and wireless device allows me monitor my irrigation system for leaks and for overwater consumption on each individual zone in my system.
The device is ~$200, and you need to have WiFi coverage out to your irrigation meter, but it sends alerts and notifications to your phone for issues and you can get real-time info about your system thru your phone or tablet.
I recommend this monitoring device if you are away a lot or if you have a larger lot that warrants this type of monitoring.
Thanks to Toymeister for his recommendation on this product