South St. Paul, MN Noise Levels
South St. Paul, MN: what the federal noise map shows
South St. Paul, MN reads 47.5 dB(A) on BTS's 24-hour average, inside HUD's "Acceptable" noise zone, 65 dB(A) day-night average or below under 24 CFR 51.104, the federal government's own line for building housing with no extra sound attenuation required. South St. Paul's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
South St. Paul's noise, by source
Each of the three transportation modes gets its own model from BTS; the combined figure above is what they add up to.
Where South St. Paul ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, South St. Paul ranks 2,117, loudest first. About 20,590 people live there, making it the 1,881th largest place in this dataset.
Your street may differ from South St. Paul's reading
For a single house or lot in South St. Paul 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 South St. Paul's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at South St. Paul.