2 rules for unincorporated Utah County, Utah.
Verified from official government sources
Utah County's Land Use Ordinance Chapter 10 requires fully shielded, full-cutoff outdoor fixtures in most zones with lumen caps per acre and a 3000K max color temperature for residential areas. Utah is an international dark-sky leader with several nearby IDA-certified places driving regional standards.
Utah County and Provo/Orem prohibit outdoor lighting that casts more than 0.5 foot-candles at a residential property line. Complaints are investigated by code enforcement, and security floodlights aimed at neighbors are a top complaint category around BYU and UVU student housing.
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