Colorado Revised Statutes Title 25. Health § 25-13-105. Unlawful acts

(a) Within the recreation areas of the state to discharge untreated sewage upon the surface of the ground or in any waters of the state;

(b) To deposit or bury refuse on the public lands or waters within this state, except within areas or receptacles designated by the operator for this purpose;

(c) To deposit refuse on private or public land in such a way that said refuse may be blown, carried, or otherwise transported from its point of deposit;

(d) To willfully mar, mutilate, deface, disfigure, or injure beyond normal use any rocks, trees, shrubbery, wild flowers, or other features of the natural environment in recreation areas of the state;

(e) To willfully cut down, uproot, break, or otherwise destroy any living trees, shrubbery, wild flowers, or natural flora in recreation areas of the state;

(f) To build fires unless in compliance with rules and regulations of the board, to abandon or to leave fires unattended, or to store flammable liquids in a container which is not of a type approved by the department in an organized campground or other recreation area subject to this article;

(g) In organized campgrounds or recreation areas to use any cleansing agents, whether organic or inorganic in nature, in waters of the state for any purpose, including but not limited to bathing, clothes washing, and similar activities, or to dispose of any water containing such agents on the surface of the ground within fifty feet of any waters of the state. Such water shall be disposed of in facilities provided by the operator or in the manner specified by the operator.