S.D. Codified Laws § 9-14-24
If a municipality chooses to employ or retain a person to serve as a city engineer, the city engineer shall be a licensed professional engineer under chapter 36-18A. If the city engineer is not also licensed as a land surveyor under chapter 36-18A, the city engineer shall delegate any duties that are defined in chapter 36-18A as the practice of land surveying to a licensed land surveyor.
The governing body shall by ordinance or agreement prescribe the duties and fix the compensation of the city engineer.
All surveys, profiles, plans, or estimates made by the city engineer for the municipality are the property of the municipality and shall be carefully preserved in the municipality's office or the office of the city engineer and are open to public inspection.
SDCL 9-14-24