Pier 4 Noise Study Boston Harbor

Building Acoustics, Noise & Vibration Measurement, and Air Quality

Regarding the Acoustical (sound), vibrational and air quality field testing for projects such as Pier 5 and Mystic Inlet and afforable housing tower.

Reason 1 Courageous Public Sailing Community would be disbanded.

Boston Harbor Pier 4 Noise Study

Pier 5 wind speed Averages 10-20 miles per hour (2021)
63 noise decibels can be heard on Pier 4 with 11 mile per hour wind
Boston Municipal Code standards for unreasonable noise levels are:

-louder than 50 decibels from 11 p.m. to 7 a.m., or
-louder than 70 decibels at any time, except for permitted construction.

63 decibel level was predominantly from sailing school engineless small sailboat rigs and halyards.

Samples taken late at night to omit significant ambient variables such as Pier 6 outdoor bar-restaurant and marina noise such as automobile, trucks and boat engines. Also excluded are Pier 4 regular operations, outdoor tented group events, racing activities and ferry services. The engineless sailboat fleet was docked with sail covers and booms made fast. Pier 6 marina accommodated large sailboats in the past and may in the future. Although Pier 5 is further from the Pier 4 noise levels, it is likely louder with all of these omitted variables of significant sounds. The point here is that either way, Courageous would not prevail.


  • Acoustical Impacts of Overdevelopment
  • Recovering from a Pandemic, open space is critical
  • Sounds are important for public mental health
  • Noise reflection and echoing perpetually increase
  • Building on Pier 5 would compound and perpetuate sound festering problems
  • Due to increased commercial operations at Pier 6, group visitors have escalated noise decibels and litter

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