Salt Lake County, UT Noise Ordinances: Aircraft Noise (2026)

70) protects Salt Lake County's airports from land uses that put people under the loudest overflight paths. The zoning map divides the noise footprint into five Airport Restriction Zones. Zone A sits closest to the runway and is exposed to the most severe aircraft noise: residential uses are flatly incompatible, and even a permitted commercial building, hotel or motel must be built with a mechanical air circulation system, so windows stay closed, and at least twenty-five decibels of sound attenuation, rising to thirty decibels in hotel and motel sleeping areas.

Zone B covers severe noise exposure: houses are incompatible unless they sit in an agricultural zone and carry twenty-five decibels of attenuation, and schools, hospitals, churches and rest homes face the same air-circulation and attenuation condition. Zone C, moderate noise, allows houses and mobile homes only with air circulation systems, plus twenty decibels of attenuation for mobile homes. Zone D restricts low-density residential and school uses under a primary flight track to air-circulation-equipped buildings, and Zone E, covering heavily used traffic patterns, carries no use restriction beyond a mandatory aviation easement. 220. 260, and an abandoned nonconforming structure, vacant twelve consecutive months, loses its right to rebuild above the height limit. 280.