S.D. Codified Laws § 9-48-26
Any municipality which has installed or plans to install sewer utilities for public use may by ordinance or resolution establish charges to be paid to the municipality for the use of the sewer utilities by every user whose premises are served by a connection to the sewer utilities, directly or indirectly. A municipality may also submit to the voters of the municipality at any general election or any special election called for such purpose the question of whether or not the municipality shall establish charges for the use of sewer utilities. If a majority of the voters voting upon the question vote in favor of the question, then the municipality may by ordinance or resolution establish charges to be paid to the municipality for the use of the sewer utilities by every user whose premises are served by a connection to the sewer utilities, directly or indirectly. For the purposes of this section the term, sewer utilities, means any main, trunk, and service sewers; sanitary and storm sewers; and septic or sewage treatment plants, drains, and manholes.
SDCL 9-48-26