21 C.F.R. § 1250.86 Water for making ice.
Title 21 - Food and Drugs
Only potable water shall be piped into a freezer for making ice for drinking and culinary purposes.
Title 21: Food and Drugs
PART 1250—INTERSTATE CONVEYANCE SANITATION
Subpart E—Sanitation Facilities and Conditions on Vessels
§ 1250.86 Water for making ice.