No person shall operate, cause to be operated or permit on public or private property any source of continuous and/or impulsive sound in such a manner as to create a sound level which exceeds the limits set forth in Table 2 or Table 3 when measured at a distance of fifty feet or fifteen meters or more from such source.
Table 2. Continuous Sound Levels Which Pose an
Immediate Threat to Health and Welfare
(Measured at 50 feet or 15 meters or more)*
Sound level limit (dBA) | Duration |
90 | 24 |
93 | 12 |
96 | 6 |
99 | 3 |
102 | 1.5 |
105 | 45 |
108 | 22 |
*Use equal energy time-intensity trade-off if level varies; find energy equivalent over twenty-four hours.
Table 3. Impulsive Sound Levels Which Pose an
Immediate Threat to Health and Welfare
(Measured at 50 feet or 15 meters or more)
Sound level limit (dB) | Number of Repetitions per 24-hour period |
145 | 1 |
135 | 10 |
125 | 100 |
(Ord. 20-1988. Passed 5-10-88.)