DEP Home : Community Concerns : Electric Generator Guidelines
File a Citizen's Two-Party Noise Complaint (on-line form)
For questions or to report a problem/violation call:311Police non-emergency line (for disturbances outside regular business hours):301.279.8000
Commercial buildings are required to have emergency standby generators to operate emergency lights, elevators, fire alarms and fire pumps during power outages. Also, in recent years it has become increasingly popular for homeowners to install emergency standby generators. Consequently, the number of noise complaints related to emergency standby generators has been steadily increasing.
Problems may be avoided through careful planning, design, equipment selection and installation. Almost all manufactured products, including generators, have noise performance specifications. Potential noise sources that can operate on a 24-hour basis, such as standby generators, are required to meet Montgomery County's more restrictive nighttime standard of 55 dBA (A-weighted decibels) at the nearest receiving residential property line.
Things to consider when planning for the installation of an emergency standby electric generator:
For more information, email DEP at firstname.lastname@example.org or call 311
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In addition to noise concerns, be aware of the following air quality issues when purchasing or placing electric generators: