SD SB127

Prohibits new data centers from being established within one mile of any residential area, effective July 1, 2026, while allowing counties, municipalities, and townships to adopt stricter siting requirements

Limits continuous noise from data centers to 45 decibels at the nearest residential property line, measured according to federal or local environmental standards

Defines "data center" broadly to include facilities for cloud computing, cryptocurrency mining, colocation services, media streaming support, and software/platform as a service

Declares data centers violating the distance or noise requirements a nuisance, allowing the state's attorney or any affected citizen to file suit to enjoin the nuisance against both the operator and property owner