S.D. Codified Laws § 46-2-19
Current with legislation signed by the governor on or before 3/6/2024
The chief engineer, in the performance of duties under this title, may enter upon the lands of any person making appropriative use of the waters of the state after the chief engineer has made a reasonable attempt to notify the owner or possessor of the property of the entry. This section does not apply to entry into a house or the curtilage of a home.
SDCL 46-2-19