Mount Holly, NC Noise Levels
Mount Holly, NC: what the federal noise map shows
At Mount Holly, NC, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. This describes Mount Holly as a whole, not a specific block, the underlying BTS map resolves to about 38 meters per pixel, sampled at the town's own center point.
Where Mount Holly ranks
Mount Holly, NC sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 18,723, 2,034th largest of the 12,137 places covered here.
Your street may differ from Mount Holly's reading
For a single house or lot in Mount Holly 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 Mount Holly's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Mount Holly.