No person may fill or procure to be filled with water any dam or reservoir that is not so thoroughly and substantially constructed as to safely hold any water that may be turned therein.
Mont. Code Ann. § 85-15-207
Dams and reservoirs -- how constructed
Known as the Montana Dam Safety Act
The act spans §§ 85–85 (46 sections).
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.