S.D. Codified Laws § 34A-2-79
Current with legislation signed by the governor on or before 3/6/2024
A purpose of this chapter is to provide additional and cumulative remedies to prevent, abate, and control the pollution of state waters. Nothing in this chapter abridges or alters any rights or action of remedies in equity or under the common law or statutory law, criminal or civil, nor may any provision of this chapter be construed as estopping the state or any municipality or person as owners of water rights or otherwise in the exercise of their rights in equity or under the common law or statutory law to suppress nuisances or to abate pollution.
SDCL 34A-2-79