Colman, SD Noise Levels
Colman, SD: what the federal noise map shows
At Colman, SD, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Colman's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Colman ranks
Colman, SD sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 674, 11,993th largest of the 12,137 places covered here.
Your street may differ from Colman's reading
For a single house or lot in Colman rather than the town-wide figure above, BTS's own map is the same free source, queried directly.
More on how this number was built
For exactly which federal dataset feeds Colman's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Colman.