Mo. Rev. Stat. § 236.270
Current with changes from the 2023 Legislative Session
Any person who shall build or heighten any dam, or any other stoppage or obstruction on or across any watercourse, without first obtaining permission from the court of the proper county, according to law, and shall thereby work any injury to any other person, shall forfeit to the party injured double damages for such injury, to be recovered by civil action.
§ 236.270, RSMo
RSMo 1939 § 10307