Chapter 48 – Noise Pollution

B. Type B Permit. Sound trucks may be operated only under a Type B permit. A Type B permit may be issued for sound equipment mounted upon a motor vehicle and intended for use upon City streets, provided the sound equipment emits only music or human speech registering not more than 80 dB(A)s when the sound level is measured at a distance of 100 feet from the sound equipment. Sound equipment permitted under a Type B permit may be used only in nonresidential areas and only from 9:00 a.m. to 9:00 p.m. C. Type C Permit. A Type C permit may be used for sound equipment emitting music or human speech registering not more than 60 dB(A)s when the sound level is measured at the real property boundary of the private residence nearest the sound equipment and registering not more than 100 dB(A)s when the sound level is measured at a distance of 50 feet from the sound equipment. Sound equipment permitted under a Type C permit may be used only in public parks owned and operated by the City or public grounds owned and operated by another government body from 10:00 a.m. to 11:00 p.m. for events authorized and approved by the City or other body having jurisdiction over the park or public grounds. D. Type D Permit: A Type D permit may be issued for sound equipment emitting music or human speech registering not more than 60 dB(A)s when the sound level is measured at the real property boundary of the residence nearest the sound equipment and registering not more than 100 dB(A)s when the sound level is measured at a distance of 50 feet from the sound equipment. Sound equipment permitted under a Type D permit may be used only on school or church grounds or in conjunction with a school sponsored or church sponsored activity from 10:00 a.m. to 11:00 p.m. for events authorized and approved by the authorities having jurisdiction of the grounds. 5. Permit Fees. A. Fees for sound equipment permits may be established by resolution of the Council. B. No fee will be required for any sound equipment permit issued to the City, State, or the Federal government or any other governmental subdivision or agency. 6. Separate Permits Required; Non-Transferability; Display. A separate permit is required for each type of activity described. Permits are non-transferable and must be conspicuously displayed on or immediately adjacent to the sound equipment. The provisions do not apply to: A. The emission of sound for the purpose of alerting persons to the time of day, the existence of an emergency or the approved testing of the system. B. The emission of sound in the performance of emergency work, including snow removal and maintenance of trees. C. The un-amplified human voice, except those activities specifically controlled by the provisions of this chapter. D. Agricultural activities, exclusive of those involving the ownership or possession of animals. E. Snowmobiles regulated by the Code of Iowa. F. Rail and air transportation and public mass transportation vehicles. G. Emergency vehicles, such as fire trucks and ambulances. H. Nonprofessional athletic events.