Eagle Mountain, UT Outdoor Lighting: Light Trespass & Shielding (2026)

56's general outdoor lighting rules, requires that all light fixtures, including security lighting, be aimed and shielded so that direct illumination is confined to the property boundaries of the source, with particular care taken so light does not fall onto or across any public or private street or road. Motion sensing light fixtures must be fully shielded, properly adjusted per the manufacturer's instructions, and set to turn off when detected motion ceases. 140(I) as light spill falling over property lines that illuminates adjacent grounds or buildings in an objectionable manner, giving the planning director a concrete standard to apply when reviewing complaints or site plans.

080 requires that lighting for outdoor recreation facilities and outdoor display lots specifically exclude light trespass as determined by the planning director or designee, and any such lighting system must be certified by a Utah registered engineer as conforming to the chapter. 070, all aimed at keeping Eagle Mountain's rural night sky dark next to the Camp Williams military training corridor. A resident whose neighbor's light spills onto their yard, or whose motion light stays on continuously, can bring that to the planning department as a code violation rather than a private nuisance claim.