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Noise Standards
Overview
The noise standards are enforced by the type of land receiving the noise, and are measured as an Leq over a 10 minute period of time.

The decibel limits indicated under each category below are the limits for that receiving property during the time period indicated:
  • Residential
    • 60 Decibels on the A-Scale: 7:00 am - 10:00 pm
    • 55 Decibels on the A-Scale: 10:00 pm - 7:00 am
  • Commercial Areas
    • 65 Decibels on the A-Scale: At all times
  • Industrial Areas
    • 70 Decibels on the A-Scale: At all times

Octave Band Standards
In addition to the above, the following individual octave band standards apply to sources of sound that impact residential property:

Octave Band
Time
Sound Level Limit -dB
63 Hz
63 Hz
7:00 am - 11:00 pm
11:00 pm - 7:00 am
70
65
125 Hz
125 Hz
7:00 am - 11:00 pm
11:00 pm - 7:00 am
64
59
250 Hz
250 Hz
7:00 am - 11:00 pm
11:00 pm - 7:00 am
57
53

Exemptions
Certain exemptions and source-specific standards apply. See Chapter 1-10 Noise Rule for more information.