S.D. Codified Laws § 11-8-9
A municipality for the purposes of this chapter may formulate for the municipality a workable program for utilizing appropriate private and public resources to eliminate, and prevent the development or spread of slums and urban blight, to encourage needed urban rehabilitation, to provide for the redevelopment of slum and blighted areas, or to undertake such of the aforesaid activities or other feasible municipal activities as may be suitably employed to achieve the objectives of such workable program. Such workable program may include, without limitation, provision for: the prevention of the spread of blight into areas of the municipality which are free from blight through diligent enforcement of housing, zoning, and occupancy controls and standards; the rehabilitation or conservation of slum and blighted areas or portions thereof by replanning, removing congestion, providing parks, playgrounds and other public improvements, by encouraging voluntary rehabilitation and by compelling the repair and rehabilitation of deteriorated or deteriorating structures; and the clearance and redevelopment of slum and blighted areas or portions thereof.
SDCL 11-8-9