Sec. 20-31. Decibel standards—Generally.
   It shall be presumed that a noise disturbance in violation of this article has occurred whenever any noise or sound is projected from one property in the town onto another or onto a public area if such sound, measured in accordance with section 20-32, exceeds the following decibel standards. The zoning classification of the property where the sound originates will be used to determine which standards apply.
      (1)   Residential districts R-2, R-4, L-1, M-1, S-1 and the various R-1 districts:
         a.   7:00 a.m. to 11:00 p.m.: 65 dBA.
         b.   11:00 p.m. to 7:00 a.m.: 55 dBA.
      (2)   Resort, commercial and all other zoning districts:
         a.   7:00 a.m. to 11:00 p.m.: 65 dBA.
         b.   11:00 p.m. to 7:00 a.m.: 55 dBA.
(Code 1989, § 84A.05)