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πŸ”Š Noise Ordinances/Quiet Hours

Quiet Hours: Ayer vs Lowell

How do quiet hours rules compare between Ayer, MA and Lowell, MA?

Ayer and Lowell have similar restriction levels.

Ayer, MA

Middlesex County

Some Restrictions

Middlesex County has no operational county government - it was abolished July 11, 1997 under M.G.L. c. 34B - so there is no countywide noise ordinance. Massachusetts has no statewide decibel limit either; quiet hours are set by each city/town under home rule. The state baseline is 310 CMR 7.10 (MassDEP Noise Pollution Policy), which prohibits any source from causing sound that exceeds the ambient (background) level by more than 10 dB(A) at the property line of the source, or that produces a pure tone condition. In Middlesex County's largest cities, Cambridge Code Ch. 8.16 sets quiet hours from 10:00 p.m. to 7:00 a.m., Lowell Code Ch. 215 prohibits unreasonable noise from 11:00 p.m. to 7:00 a.m., and Newton Code Ch. 20 sets the period 10:00 p.m. to 7:00 a.m. weekdays.

View full Ayer rules β†’

Lowell, MA

Middlesex County

Some Restrictions

Lowell enforces nighttime quiet hours that restrict unreasonable noise in residential areas, authorized under MGL c.40 s.21 and enforced by Lowell Police and Code Enforcement.

View full Lowell rules β†’

Key Facts Comparison

FactAyerLowell
--
Quiet hours-10:00 p.m. to 7:00 a.m.
Audibility rule-Plainly audible beyond 50 feet
State authority-MGL c.40 s.21
Report to-Lowell 311 or LPD non-emergency
Max fine-Up to 300 dollars per violation

Highlighted rows indicate differences between cities.

Ayer FAQ

Lowell FAQ

Are Sunday hours different?

No. Lowell applies the same 10 p.m. to 7 a.m. quiet hours every day of the week, though weekend enforcement tends to be complaint-driven.

Can I call police for a loud neighbor?

Yes. Call the Lowell Police non-emergency line at (978) 937-3200 or use Lowell 311. Officers can issue warnings or citations on scene.

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