Garnavillo, IA Noise Levels
Is Garnavillo, IA noisy?
Garnavillo, IA sits below the 45 dB(A) floor BTS's transportation noise model measures at all, road, rail and aircraft alike. That figure is sampled at one coordinate, the Census Bureau's own internal point for Garnavillo, not a street-by-street survey of the whole place.
Where Garnavillo ranks
Garnavillo 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 751, 11,494th largest of the 12,137 places covered here.
Your street may differ from Garnavillo's reading
This page describes Garnavillo as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Garnavillo's reading
The methodology guide shows exactly how Garnavillo's reading was built from BTS's tile data. Garnavillo isn't the only surprise: the guide to why big cities show up quiet covers why this happens.