36 C.F.R. § 21.3 Use of thermal water.
Title 36 - Parks, Forests, and Public Property
(a) The use of the thermal waters of Hot Springs National Park, for purposes other than those authorized by the Superintendent, is prohibited. (b) The heating, reheating, or otherwise increasing the temperature of the thermal waters of Hot Springs National Park is prohibited. (c) The introduction of any substance, chemical, or other material or solution into the thermal waters of Hot Springs National Park, except as may be prescribed by a physician for a bather or as may be directed by the Superintendent, is prohibited.
Title 36: Parks, Forests, and Public Property
PART 21—HOT SPRINGS NATIONAL PARK; BATHHOUSE REGULATIONS
§ 21.3 Use of thermal water.
