Noise from Specific Sources in DuPage County, IL (2026)

1 county-level rule, plus city-specific rules for 1 city in DuPage County, Illinois.

Verified from official government sources

Note: These county rules apply to unincorporated areas of DuPage County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Generator Noise

Portable and stationary generators are exempt from DuPage County's loud and raucous noise ordinance when they run during a power outage caused by a natural disaster or utility failure, so no permit is needed to run one after a storm knocks out electricity.

DuPage County Generator Noise Exemption

Few Restrictions

DuPage County Code § 26-10(b)(ii)

The following sound amplifying devices are exempt from application of this chapter: ... Sounds created by portable or stationary generators during periods when there is no electricity from the primary power supplier due to natural disaster or power outage.

Full ordinance details →Official source ↗

Noise from Specific Sources by City in DuPage County

1 cities in DuPage County have their own noise from specific sources rules. Each link goes to that city's dedicated page with code citations.

NapervillePop. 149,540

3 verified rules • Bar & Nightclub Noise, Car Alarm Limits

All DuPage County ordinances

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