A mat for collecting water from under cabinet leaks. The mat is an elastomeric material sized to fit within the cabinet space and has ribs defining inclined channels which direct water to a forward collection area which is viewable when the cabinet is opened. The ribs and webs on the underside of the mat provide support for items that may be placed on the mat. In an alternate embodiment, a wireless alarm signal is provided to a wireless device user. The alarm having conductivity probes which are insertable in a reservoir in the fluid collection area to emit an alarm when a leak occurs.