Quiet hours in Lehi, UT — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Lehi City Code Title 5, Chapter 3 governs noise control with decibel-based limits. Quiet hours are generally 10 PM–7 AM. The city enforces noise limits by land use zone. Utah Code §76-9-102 provides fallback enforcement.
Lehi City Code Title 5, Chapter 3 (Noise Control) establishes noise limits by zone. Section 5-3-6 states that exceeding established limits constitutes a violation. The noise chapter covers both continuous and intermittent noise standards. Quiet hours run from 10 PM to 7 AM, during which excessive noise is prohibited. The code uses decibel-based measurement standards consistent with other Utah Wasatch Front communities. Noise measurements follow Section 5-3-5 procedures for microphone placement. Exemptions are listed in Section 5-3-7 and include emergency activities, permitted events, and certain agricultural operations. Utah Code §76-9-102 (Disorderly Conduct) provides fallback state enforcement. The Lehi Police Department Code Enforcement Division enforces noise complaints.
Noise violations are criminal infractions. Utah Code §76-9-102 disturbing the peace: Class C misdemeanor.
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