I wanted to warn you that torts regularly drown in those ramped water bowls. They are great for snakes and lizards, but unsafe for tortoises. Terra cotta plant saucers sunk into the substrate work better and are safer.
Just so you don't think Tom is over-exaggerating, I'll back him up. The ramps are known for drowning tortoises, plus they are much more expensive than a Terra cotta saucer!