I have this (Well I have both in place a back up system for the back up system)
http://www.amazon.com/FloodStop-Sink-Basin-FS-8-CD/dp/B00HYKEXM0/ref=lp_9497884011_1_6
They make them for washing machines/ice makers/hot water heaters/toilets/sink. They work really really good.
turns the water off with just light water. Also contact your insurance company and some times they will help pay to put a system in place like Defense Leak system. http://leakdefensesystem.com/residential-users/ pricey but sometime they will pay for half. It covers the entire home. However, after a major leak its priceless. Great product