A pet bowl water cooling system includes a bowl, a pump for removing water from the bowl, a heat transfer device, and a conduit adapted to carry the water to the heat transfer device, to carry cooled water back to the bowl. The heat transfer device can include a metal coil submersed in a relatively cool liquid medium. Preferably, the bowl includes a float valve to allow water to flow into the bowl when the float valve is activated. In an embodiment, the liquid medium includes water in a water reservoir of an evaporative cooler. In an embodiment, the evaporative cooler includes a housing that is disposed between studs of a wall. The dog bowl can be mounted on an interior wall or an exterior wall. In an embodiment, the evaporative cooler is disposed within a wall of a dog house and the dog dish is mounted thereon.