010-11 Wyo. Code R. § 11-2
(a) All bottled water, including mineral water, shall be processed and packaged in accordance with 21 CFR 110 Current Good Manufacturing Practice in Manufacturing, Packing, or Holding Human Food, and 21 CFR 129 Processing and Bottling of Bottled Drinking Water.
(b) Bottled water shall not be processed or bottled through a line or other equipment that is used for any other food.
(c) Artesian water may be collected with the assistance of external force to enhance the natural underground pressure so long as such measures do not alter the composition and quality of the water.
(d) Natural water may be treated to reduce the concentration of any substance which exceeds standards set under 21 CFR. 165.110 Bottled Water. It may be collected and transported by pipes, tunnels, trucks and similar devices.
(e) Spring water shall be collected only at the natural orifice of the spring or through a bore hole that is adjacent to the natural orifice. Spring water collected with the assistance of external force to protect the water source shall retain all the physical properties of and be of the same composition and quality as the water that flows naturally to the surface of the earth.
010-11 Wyo. Code R. § 11-2