30 CFR 57.20002 - Potable water.
(b) The common drinking cup and containers from which drinking water must be dipped or poured are prohibited.
(c) Where single service cups are supplied, a sanitary container for unused cups and a receptacle for used cups shall be provided.
(d) When water is cooled by ice, the ice shall either be of potable water or shall not come in contact with the water.
Title 30 published on 2013-07-01
no entries appear in the Federal Register after this date.