S.D. Codified Laws § 35-12-13

For the purposes of this chapter, the term, farm winery, means any manufacturer located in this state producing wine, as defined in § 35-1-1, in a total quantity not in excess of one hundred fifty thousand gallons within a calendar year, where at least fifty percent of the raw materials used in the finished product are grown or produced in this state, and without the use of wine imported from outside this state.