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Waterbury, CT Noise Ordinances: Quiet Hours (2026)

Some Restrictions

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

Quiet hours in Waterbury, CT, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.

Key Facts

Night-time hours: 10 p.m.-7 a.m. weeknights; 10 p.m. Sat-9 a.m. Sun
Residential night limit: 45 dBA at the property line
Construction curfew: No work 6 p.m.-7 a.m. weeknights
Governing sections: §§ 97.02, 97.04, 97.05, Waterbury Code
Enforcement: Director of Health; police citations

Summary

Waterbury treats 10:00 p.m. to 7:00 a.m. on weeknights, and 10:00 p.m. Saturday to 9:00 a.m. Sunday, as night-time hours under its noise ordinance, when the allowed sound at a residential property line drops to 45 dBA and construction work is barred outright. City Code § 97.04 sets the numeric ceiling; § 97.02 defines the curfew window.

(A) Generally. It shall be unlawful for any person to emit any noise beyond the boundaries of his premises in excess of the noise levels established in these regulations.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-8: Supplement contains: Local legislation current through September 8, 2025).

Full Breakdown

m. m. m. m. m. Sunday. 04(A) makes it unlawful for anyone to emit noise beyond the boundary of their premises in excess of the levels the ordinance sets, and subsection (B)'s table cuts the residential ceiling from 55 dBA in the daytime to 45 dBA at night, with corresponding night drops for commercial-zone (45 dBA) and industrial-zone (51 dBA) receptors. 04(C). m. on Saturdays, Sundays and legal holiday weekdays, unless the Building Inspector or Traffic Engineer issues an urgent-necessity permit good for up to three days. 04(D)(3). 11.

Violations & Fines

Emitting noise above the residential night ceiling of 45 dBA, running construction equipment or excavating streets between 6:00 p.m. and 7:00 a.m. weeknights (6:00 p.m. to 9:00 a.m. weekends) without an urgent-necessity permit, or idling a heavy truck over ten minutes on a residential street violates §§ 97.04 and 97.05, fined under § 97.99 from the city's fee schedule.

Frequently Asked Questions

What hours count as nighttime under Waterbury's noise ordinance?

City Code § 97.02 defines night-time hours as 10:00 p.m. to 7:00 a.m. Monday through Saturday, and 10:00 p.m. Saturday evening through 9:00 a.m. Sunday morning. Daytime runs 7:00 a.m. to 10:00 p.m. most days and 9:00 a.m. to 10:00 p.m. on Sunday, under the same definitions section.

How loud can noise be at night in a Waterbury residential zone?

Section 97.04(B)'s noise level table caps noise reaching a residential receptor at 45 dBA at night, down from 55 dBA during the day. Impulse noise reaching a residential zone at night cannot exceed 80 dB peak sound pressure under § 97.04(C), tighter than the 100 dB peak allowed anywhere during the day.

Can construction crews work at night in Waterbury?

Not without a permit. Section 97.05(C)(7) bars building erection, demolition, alteration, repair or street excavation between 6:00 p.m. and 7:00 a.m. Monday through Friday, and 6:00 p.m. to 9:00 a.m. on weekends and holidays, unless the Building Inspector or Traffic Engineer grants an urgent-necessity permit valid for up to three days.

Sources & Official References

[1]American Legal Publishing - Waterbury, CT Code of Ordinances § 97.04

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How Waterbury compares: Cities with the Strictest Noise Ordinances·Compare Waterbury to another location·View the Connecticut noise ordinances overview

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