SDCL § 9-48-32: Special contract for disposing of private sewage or industrial waste through municipal sewage treatment plant.

A municipality where a sewage treatment or septic plant is maintained may enter into a contract to connect to the plant for the purpose of treating or disposing of private sewage or industrial waste originating within the municipality or within ten miles of the corporate limits of the municipality, if the plant has the capacity to handle the sewage or industrial waste.