South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-39A-1 — Severance tax imposed on energy minerals--Rate
For the privilege of severing energy minerals in this state, there is imposed on the owner or operator of any energy mineral an excise tax, to be termed a "severance tax," equal to four and one-half percent of the taxable value of any energy minerals severed and saved by or for the owner or operator.
Source: official text