Packet: Tiffin City Council Work Session (09/15/2026)

CHAPTER 166 ESTABLISHMENT OF ZONING DISTRICTS AND THE OFFICIAL ZONING MAP (4) Odors. No continuous, frequent, or repetitive emission of odors or odor-causing substances that would be offensive beyond any property line of any commercial use shall be permitted. An odor emitted no more than 15 minutes in any one day shall not be deemed as continuous, frequent, or repetitive within the meaning of these regulations. The existence of an odor shall be presumed when analysis by a competent technician demonstrates that a discernible odor is being emitted. Any process that may involve the creation or emission of any odors shall be provided with a primary and a secondary safeguard system so that control will be maintained if the primary safeguard system fails. The rules and regulations of the Iowa Environmental Protection Agency shall be complied with. (5) Radiation Hazards. The handling of radioactive materials, the discharge of such materials into air and water, and the disposal of radioactive wastes shall not be allowed in the C-3 District. (6) Fire and Explosive Hazards a. The provisions of Sections 93.143-156 of the Code of Iowa shall be complied with, and no explosives shall be stored, used, or manufactured without first requesting approval of the City, and the use must receive a certificate of compliance from both the State and the Tiffin Fire Association. b. No gasoline or other inflammables or explosives shall be stored unless the location, plans, and construction conform to the laws and regulations of the State and have the approval of both the Department of Public Safety and the Tiffin Fire Association. (7) Glare and Heat. Every use and activity shall be so operated that it does not emit heat or heated air beyond the boundary of the lot on which it is located. No direct or sky-reflected glare shall emanate from any use or activity that is visible at any point on or beyond the boundary of the lot on which such activity is located. This restriction does not apply to signs otherwise permitted by the provisions of the Zoning Code or other applicable ordinances, not to activities of a temporary or of an emergency nature, nor to night lighting necessary for safety and the protection of property. (8) Electromagnetic Interference. There shall be no electromagnetic interference that adversely affects the operation of any equipment other than that belonging to the creator of such interference, or that does not conform to the regulations of the Federal Communications Commission. 15. Design Standards. All business establishments and activities must conform to the design standards established for C-3 District. A. Buildings shall have color schemes that are based on earth tones or other compatible colors unless special permission is granted by the Zoning Administrator. CODE OF ORDINANCES, TIFFIN, IOWA - 1675 -