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Utah County, UT Noise Ordinances: Decibel Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Residential limit, day/night
55 dB(A) / 50 dB(A)
Commercial limit, day/night
65 dB(A) / 60 dB(A)
Industrial limit, all hours
80 dB(A)
Meter standard required
ANSI S1.4-1974 Type I/II
Enforcing agency
Community Development Dept.
Penalty class
class B misdemeanor

Summary

Unincorporated Utah County caps off-site noise on a sliding scale by zoning district: 55 dB(A) daytime and 50 dB(A) at night in residential zones, 65/60 dB(A) in commercial zones, and 80 dB(A) around the clock in industrial and agricultural zones.

City-specific rules exist: Eagle Mountain, and Lehi have their own decibel limits rules that differ from Utah County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Sound from any source, other than a vehicle operated on a public right-of-way, shall not exceed the levels stated in the table below when measured off-site... Residential Zones: RA-5, RR-5, TR-5, and CE-2: 55 dB(A) [7am-10pm] / 50 dB(A) [10pm-7am]. Commercial Zones: NC-1 and HS-1: 65 dB(A) / 60 dB(A). Industrial & Other Zones: I-1, CE-1, M&G-1, and A-40: 80 dB(A) / 80 dB(A).

Full Breakdown

030(C) sets a table of maximum sound levels measured off-site, meaning on property owned by someone other than the person producing the sound, tied to the zoning district identified in Chapter 4 of the Utah County Zoning Ordinance. and drop to 50 dB(A) overnight. Commercial Zones NC-1 and HS-1 allow 65 dB(A) daytime and 60 dB(A) at night. Industrial and Other Zones I-1, CE-1, M&G-1, and A-40 permit 80 dB(A) at all hours. Sound on private property is measured at or inside the receiving property's line; sound from public parks, County-approved shooting ranges, or other public property is measured 25 feet from the source or at the adjoining property line.

4-1974 Type I or Type II specifications, and a manufacturer's published compliance statement is prima facie evidence the meter qualifies. 040, and its Director can refer violations to the County Attorney. Six specifically named shooting ranges, including the Utah County Shooting Range on US Highway 89 and the Goshen Dam Sporting Clays range, are wholly exempted from the chapter.

Violations & Fines

Each offense is a separate class B misdemeanor under § 7.12.050, and for a continuous sound each day of violation counts as its own separate offense; the County Attorney may also bring civil action to abate or enjoin the noise or seek any other remedy the court finds appropriate.

Frequently Asked Questions

What decibel limit applies to a residential lot in unincorporated Utah County?
Zones RA-5, RR-5, TR-5, and CE-2 are capped at 55 dB(A) measured off-site between 7:00 a.m. and 10:00 p.m., dropping to 50 dB(A) between 10:00 p.m. and 7:00 a.m. under Utah County Code § 7.12.030(C).
Where is sound measured to check compliance?
For sound from private property, it is measured at or inside the property line of the neighboring property, not the source's own line. For public parks or County-approved shooting ranges, it is measured 25 feet from the source or at the adjoining property line.
Is a variance from these limits possible?
Yes. The County Commission or its designee can grant a noise variance if it finds no undue harm to other parties, the best available sound control technology is already in use, no reasonable alternative exists, and mitigation conditions are attached to protect the public.

Sources & Official References

Other rules in Utah County

All Utah County rules

Compare Utah County to another location·View the Utah noise ordinances overview

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