Any food coming into contact with water from that pot will be unclean, and any drink in such a container will be unclean.
Here is the law, 1. Concerning flying insects, as flies, wasps, bees, etc.; these they might not eat (Lev 11:20), nor indeed are they fit to be eaten; but there were several sorts of locusts which in those countries were very good meat, and much used: John Baptist lived upon them in the desert, and they are here allowed them, Lev 11:21, Lev 11:22. 2.
Commenting on Leviticus 11:20-42
Of all meat which may be eaten,.... Which otherwise is lawful to eat and fit for food, whether herbs, or whether the flesh of clean creatures: that on which such water cometh shall be unclean; that is, such water as is put into an unclean vessel, become so by the fall of any unclean reptile into it; wherefore such water poured out upon any sort...
Lev 11:29-38 To these there are attached analogous instructions concerning defilement through contact with the smaller creeping animals (Sherez), which formed the fourth class of the animal kingdom; though the prohibition against eating these animals is not introduced till Lev 11:41, Lev 11:42, as none of these were usually eaten.
Commenting on Leviticus 11:29-38