No statewide law
South Dakota
Last checked October 29, 2026
South Dakota has no statewide outdoor lighting, light-pollution, or dark-sky statute that we could find. Any lighting rules are set by individual cities and counties, and we did not locate a local ordinance with an official source to cite.
Certified dark sky places in South Dakota
Bringing your own outdoor lighting up to the same standard? See Dark-Sky Friendly Outdoor Lighting.