(a) 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 3 or Table 4 herein when measured at a distance of fifty feet or fifteen meters from such source.
TABLE 3
CONTINUOUS SOUND LEVELS WHICH POSE AN IMMEDIATE THREAT TO
HEALTH AND WELFARE (MEASURED AT FIFTY FEET OR FIFTEEN
METERS.*)
Sound Level Limit (dBA) Duration
90 24 hours
93 12 hours
96 6 hours
99 3 hours
102 1.5 hours
105 45 minutes
108 22 minutes
*Use equal energy time-intensity trade-off if level varies; find energy
equivalent over twenty-four hours.
TABLE 4
IMPULSIVE SOUND LEVELS WHICH POST AN IMMEDIATE THREAT TO
HEALTH AND WELFARE (MEASURED AT FIFTY FEET OR FIFTEEN
METERS)
Sound Level Limit (dB) Number of Repetitions
Per 24-hour Period
145 1
135 10
125 100
(b) Whoever violates this section is guilty of a minor misdemeanor, provided the violation is not committed willfully or knowingly, in which case it is a misdemeanor of the fourth degree. A separate offense shall be deemed committed each day during or on which a violation occurs or continues. Punishment shall be as provided in Section 698.02.
(Ord. 1980-144. Passed 9-16-81.)