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York County, SC Noise from Specific Sources: Generator Noise (2026)

Some Restrictions

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

Key Facts

Governing section: § 56.016(B)(2), blowers and engines
Requirement: Muffler sufficient to deaden engine noise
Max fine: $500 per offense, § 56.999
Max jail: 30 days per offense
First complaint: Chance to abate before any fine
Enforcing agency: County code enforcement officers

Summary

Unincorporated York County requires generators and other internal combustion engines, blowers, or power fans to run with a functioning muffler under its noise ordinance. An unmuffled generator whose exhaust noise disturbs neighbors is a specific, named violation of the county's public nuisance chapter, separate from the broader ban on unreasonably loud sound.

City-specific rules exist: Rock Hill has its own generator noise rules that differ from York County's county-level regulations. If you live in Rock Hill, check the city-specific page instead.

(2) Blowers or engines. The operation of any noise-creating blower or power fan or any internal combustion engine, the operation of which causes noise due to the explosion of operating gases or fluids, unless the noise from such blower or fan is muffled and such engine is equipped with a muffler device sufficient to deaden such noise.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-49: Supplement contains: Local legislation current through Ord. 3925, passed 6-16-25).

Full Breakdown

C. 016(B)(2) singles out 'noise-creating blower[s] or power fan[s]' and 'any internal combustion engine' whose operation creates noise from exploding gases or fluids, covering portable and standby generators along with compressors and similar equipment. 016(A). Storm-related backup generators running for extended stretches are a common source of the complaints code enforcement receives under this section. 017(A). Because the rule sits inside the nuisance chapter rather than a standalone decibel ordinance, there is no numeric limit written for generator noise specifically; the muffler requirement and the disturbance standard are what the county enforces, and a first substantiated complaint gets the owner a chance to fix the noise before facing a citation.

Violations & Fines

An officer who confirms an unmuffled or disturbing generator gives the owner a chance to abate it immediately without a fine. If the noise continues or recurs within 90 days, the owner is guilty of a misdemeanor under § 56.999, punishable by a fine up to $500, up to 30 days in jail, or both, with each additional day counted as a separate offense. York County magistrates' court has jurisdiction, and the county can also pursue an injunction.

Frequently Asked Questions

Is it illegal to run a generator without a muffler in unincorporated York County?

Yes. Section 56.016(B)(2) of the county code makes it a violation to operate a noise-creating blower, power fan, or internal combustion engine, including a generator, unless its noise is muffled and the engine carries a muffler device sufficient to deaden the sound. A neighbor's complaint about an unmuffled generator can trigger a code enforcement visit.

Can I be fined the first time my generator noise draws a complaint?

Not on the first complaint. Under § 56.017(C), a code officer who confirms the violation must give the owner an immediate opportunity to abate the noise, such as adding or repairing a muffler, before any penalty applies. A citation and misdemeanor charge only follow if the same generator noise continues or happens again within 90 days.

Does York County set a decibel limit for generators?

No separate decibel number applies to generators specifically. The county instead requires a functioning muffler under § 56.016(B)(2) and folds excessive generator noise into the broader nuisance ban at § 56.016(A), which covers any noise that disturbs a neighbor's comfort, peace, or repose, judged case by case.

Sources & Official References

[1]York County, S.C. Code § 56.016 (Noise)

Other rules in York County

Fence Regulations: Height LimitsSome Restrictions Parking Rules: RV & Boat ParkingSome Restrictions Delivery Truck NoiseSome Restrictions Low-Frequency Bass LimitsSome Restrictions HVAC & Mechanical NoiseFew Restrictions Parking Rules: Loading ZonesSome Restrictions Parking Rules: Commercial & Oversized VehiclesSignificant Restrictions Parking Rules: Driveway RulesSome Restrictions Fence Regulations: Retaining WallsSome Restrictions

All York County rules

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Generator Noise in Cities Across York County

Rock Hill, SC