(a) 
No person shall keep or maintain in any residential neighborhood, or permit the keeping of, upon any premises owned, occupied or controlled by such person, any animal or fowl otherwise permitted to be kept which, by any sound, cry or behavior shall cause annoyance or discomfort. The vocalization of a dog, or comparable sounds by other animals or fowl, for more than three out of five minutes, on a sustained basis during a ten minute measurement period, in excess of the allowable decibel limit, between the hours of 9:00 p.m. and 7:00 a.m. the following day, or for more than five out of ten minutes, on a sustained basis during a fifteen minute measurement period, in excess of the allowable decibel limit, between the hours of 7:00 a.m. and 9:00 p.m., or for fifteen minutes of sustained vocalizations, which sounds are audible within the property plane on property other than that owned, occupied, or controlled by such person, or inside any dwelling unit on the same property, but not owned, occupied or controlled by such person, shall constitute a prima facie violation of the provisions of this section.
(b) 
If the owner, or person in custody of the animal or fowl that violates this section is not available, the written notice of violation and/or the citation may be given to someone else at the residence, or posted in a conspicuous location on the premises.
(Ord. 1700 § 1; Ord. 1854 § 4; Ord. 1955, 1998; Ord. 2221, 2005)
(a) 
No person shall produce, suffer or allow to be produced on any public or private property, sounds at a level in excess of those enumerated in Table 1, when measured at its property plane or, if on any street or highway measured at the property plane of the nearest property.
(b) 
No person shall produce, suffer or allow to be produced on any multifamily residential property, sounds at a level in excess of those enumerated in Table 1, when measured inside any dwelling unit on the same property or twenty feet from the outside of the dwelling unit in which the noise source or sources may be located.
(c) 
Notwithstanding any other provision of this section, no person shall produce, suffer or allow to be produced any sound on any private or public property, which is audible to a person within any dwelling unit of a residential planned development or residentially zoned property, except within any dwelling unit which the sound source or sources are located to which is occupied or controlled by the person controlling such source; unless the permission, either written or verbal, of the occupants of all affected dwelling units has been obtained.
During the hours of 9:00 a.m. through 10:00 p.m., Sunday through Thursday, and 9:00 a.m. and 12:30 a.m. the following day, Friday and Saturday, such permission shall be presumed to be granted by occupants of all affected dwelling units; provided that any affected person may withdraw such consent at any time. Such withdrawal of consent may be accomplished by either verbal or written request to the person causing, or allowing, such sound to be made, or by making such request to the city police department who shall then notify the person causing, or allowing, such sound to be made.
The provisions of this subsection shall not apply to any sound generated upon a common use portion of any multiple-family dwelling between the hours of 9:00 a.m. through 10:00 p.m., Sunday through Thursday, and 9:00 a.m. through 12:30 a.m. the following day, Friday and Saturday, except to the extent that such sound is audible within any dwelling unit not located upon the same property.
Table No. 1
Land Use
Time Period
Maximum Noise Level
(dBA)
Residential
9 p.m.—7 a.m.
50
7 a.m.—9 p.m.
55
Commercial/industrial/core commercial
10 p.m.—7 a.m.
55
7 a.m.—10 p.m.
60
High noise traffic corridor
Anytime
65
Determination of which land use and time period applies to a noise source, shall be based upon the affected (complainant's) property's land use. Decibel levels shall be measured at the affected (complainant's) property plane at the point closest to the noise source.
The high noise traffic corridors include the following: Highway 113 and Interstate 80.
The land uses as shown in the above table are defined using the city general plan and Table No. 2, as shown below:
Table No. 2
Noise Zone
Definition (using general plan terms where applicable)
Residential
Any parcel with a single-family or multifamily dwelling, including living groups, excluding those in the core commercial area as defined below
Commercial/industrial
All nonresidential properties (retail shopping, office, highway/service commercial, light industrial/business park, industrial, public/semipublic, commercial/ agricultural buffer, commercial recreation, agriculture, urban reserve)
Core commercial
All property types in the core commercial area beginning at southwest corner of 5th Street and the railroad tracks; railroad tracks south to D Street, north on D Street, east on 4th Street, north on F Street, east on 5th Street to railroad tracks
High noise traffic corridor
Properties bordering designated "high noise" corridors to be designated by resolution of city council. "Bordering" will be defined as falling wholly or partially within one hundred feet of designated "high noise" corridor (e.g., Highway 113)
(Ord. 1700 § 1; Ord. 1854 § 5; Ord. 1955, 1998; Ord. 2017, 2000; Ord. 2221, 2005)
No person shall produce, suffer or allow to be produced in any location a noise level of more than twenty dBA above the limit, but not greater than eighty dBA, on Table No. 1 measured at the property plane. This section constitutes an absolute noise limitation applicable notwithstanding any other provision of this chapter, or any exception, exemption or waiver provided therefrom, except that the provisions of this section shall not apply to those activities referred to in Section 24.02.040(a) through (d) or to emergencies.
(Ord. 1700 § 1; Ord. 1854 § 6; Ord. 1955, 1998; Ord. 2221, 2005)
(a) 
Power tools. The operation of power tools for noncommercial purposes shall be exempt from the provisions of Sections 24.02.020(a), (b), (c) and 24.02.030, between the hours of 8:00 a.m. and 8:00 p.m.; provided, that such operations shall be subject to the provisions of Section 24.05.010. For purposes of this section, a noncommercial use shall be a use for which a business license is not required pursuant to Chapter 19.
(b) 
Construction and landscape maintenance equipment. Notwithstanding any other provision of this chapter, between the hours of 7:00 a.m. and 7:00 p.m. on Mondays through Fridays, and between the hours of 8:00 a.m. and 8:00 p.m. on Saturdays and Sundays, construction, alteration, repair or maintenance activities which are authorized by valid city permit or business license, or carried out by employees of contractors of the city shall be allowed if they meet at least one of the following noise limitations:
(1) 
No individual piece of equipment shall produce a noise level exceeding eighty-three dBA at a distance of twenty-five feet. If the device is housed within a structure on the property, the measurement shall be made outside the structure at a distance as close to twenty feet from the equipment as possible.
(2) 
The noise level at any point outside of the property plane of the project shall not exceed eighty-six dBA.
(3) 
The provisions of subdivisions (1) and (2) of this subsection shall not be applicable to impact tools and equipment; provided, that such impact tools and equipment shall have intake and exhaust mufflers recommended by manufacturers thereof and approved by the director of public works as best accomplishing maximum noise attenuation, and that pavement breakers and jack-hammers shall also be equipped with acoustically attenuating shields or shrouds recommended by the manufacturers thereof and approved by the director of public works as best accomplishing maximum noise attenuation. In the absence of manufacturer's recommendations, the director of public works may prescribe such means of accomplishing maximum noise attenuation as he or she may determine to be in the public interest.
Construction projects located more than two hundred feet from existing homes may request a special use permit to begin work at 6:00 a.m. on weekdays from June 15th until September 1st. No percussion type tools (such as ramsets or jackhammers) can be used before 7:00 a.m. The permit shall be revoked if any noise complaint is received by the police department.
(4) 
No individual powered blower shall produce a noise level exceeding seventy dBA measured at a distance of fifty feet.
(5) 
No powered blower shall be operated within one hundred feet radius of another powered blower simultaneously.
(6) 
On single-family residential property, the seventy dBA at fifty feet restriction shall not apply if operated for less than ten minutes per occurrence.
(c) 
Air conditioners and similar equipment. Air conditioners, pool pumps and similar equipment are exempt from this chapter, provided they are in good working order.
(d) 
Work required for the public health and safety. Work performed by city, city franchises, persons under contract with the city for repairs or maintenance of roads, water wells, water service lines, trees and landscape, as well as street sweeping, garbage removal, and similar activities are exempt from this chapter.
(e) 
Safety devices. Aural warning devices which are required by law to protect the health, safety and welfare of the community shall be exempt from the provisions of this chapter.
(f) 
Emergencies. Emergencies are exempt from this chapter.
(Ord. 1700 § 1; Ord. 1854 §§ 7—10; Ord. 1955, 1998; Ord. 2017, 2000; Ord. 2037, 2000; Ord. 2221, 2005)