Noise Levels in East Watertown, Watertown Town, MA | Find Quiet Neighborhoods With Our Sound Map
56 dBA
Average noise across East Watertown
Quiet office to normal conversation
3,512
Residents above the EPA 55 dBA threshold
51% of East Watertown residents
70 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across East Watertown at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.
What the numbers sound like
- 30 dBAWhisper
- 40 dBASoft rainfall
- 45 dBAQuiet suburban street at night
- 50 dBAQuiet office
- 55 dBAEPA outdoor threshold: light traffic 100 ft away
- 60 dBANormal conversation an arm's length away
- 65 dBABusy restaurant
- 70 dBAHighway traffic 50 ft away
- 80 dBACity bus interior
Population Above the EPA Outdoor Threshold
The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 3,512 East Watertown residents, or 50.6%, live above that level. By land area, 53.1% of East Watertown is above 55 dBA.
46.9% below 55 dBA
53.1% above 55 dBA
See how noise in East Watertown compares to similar-sized neighborhoods.
Noise by Part of East Watertown
Average noise levels for East Watertown residents, grouped by direction from the center of East Watertown. Western East Watertown carries the highest population-weighted average; Southern East Watertown carries the lowest. Just 3% of residents in Southern East Watertown live in blocks above the EPA's 55 dBA threshold, a fifth of the share in Western East Watertown.
Central East Watertown
55.6 dBA · Moderate-loud
Quiet office to normal conversation
Eastern East Watertown
56.4 dBA · Moderate-loud
Normal conversation an arm’s length away
Northern East Watertown
54.1 dBA · Moderate-loud
Quiet office to normal conversation
Southern East Watertown
50.6 dBA · Moderate
Quiet office
Western East Watertown
57.6 dBA · Moderate-loud
Normal conversation an arm’s length away
Western East Watertown sounds about 62% louder than Southern East Watertown to the human ear, a 7.0 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.
How far back from do you need to be?
produces an estimated 70 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a soft rainfall.
At source
70 dBA
Highway traffic 50 ft away
165 ft
58 dBA
Normal conversation an arm’s length away
330 ft
50 dBA
Quiet office
660 ft
43 dBA
Quiet suburban street at night
¼ mile
36 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 19% of East Watertown sits under tree canopy (heavier than most neighborhoods) and roughly 66% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.
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Airport Noise
General Edward Lawrence Logan International (BOS) sits east of East Watertown. The U.S. Department of Transportation measures aviation noise around this airport directly, and the model uses those federal measurements rather than synthetic predictions.
Blocks under the approach and departure paths carry combined road-plus-aviation noise, with some exceeding 75 dBA on the map's Overall layer. Blocks on the opposite side of East Watertown, particularly to the west, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across East Watertown
The bar chart below shows the share of East Watertown residents in each noise band. About 43% of residents live below the EPA's 55 dBA threshold, and roughly 12% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How East Watertown Compares
East Watertown sits the lowest among the peer group. Below: how East Watertown's average outdoor noise and share of residents above the EPA threshold compare with West Cambridge, Nonantum, Avon Hill, and Brookline Village Commercial District.
Average noise level (dBA)
East Watertown's 55.7 dBA pop-weighted average is the lowest among the peer group. Massachusetts as a whole averages 54.3 dBA and the U.S. averages 52.0 dBA. Both are lower than East Watertown because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 50.6% of East Watertown residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's fewer than any of its peer group. Measured by land area instead, 53.1% of East Watertown's footprint sits above 55 dBA, against a Massachusetts average of 40.0% and a national average of 28.1%.
What This Means if You're Moving to East Watertown
- Distance from highways matters more than the neighborhood name. Two homes in the same zip code can differ by 20 dBA if one sits 100 meters from and the other 500 meters away. The model captures this at 100-meter resolution, so noise exposure changes block by block.
- Tree canopy can help reduce modeled noise exposure. Roughly 19% of East Watertown is under tree cover (heavier than most neighborhoods), and the dominant land cover is medium-intensity developed land. Both are measured from federal USDA Forest Service and USGS satellite imagery at 30-meter resolution. Streets with 60% or higher canopy show 3 to 5 dBA lower noise than comparable streets with bare ground or pavement, which is why the per-place decay rate above already accounts for it.
- Airport noise is directional. General Edward Lawrence Logan International's approach paths concentrate aviation noise to the east. Neighborhoods to the west of downtown show no measurable contribution from the airport.
