St. Marys, OH Noise Levels
St. Marys, OH: what the federal noise map shows
St. Marys, OH is one of the places where the federal model has nothing to report above its 45 dB(A) floor, on any of the three sources.
St. Marys's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where St. Marys ranks
St. Marys is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. Population is about 8,376, 3,621th largest of the 12,137 places covered here.
Your street may differ from St. Marys's reading
For a single house or lot in St. Marys 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 St. Marys's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at St. Marys.