Noise Levels in Lake Barcroft, Falls Church, VA | Find Quiet Neighborhoods With Our Sound Map
56 dBA
Average noise across Lake Barcroft
Quiet office to normal conversation
1,897
Residents above the EPA 55 dBA threshold
34% of Lake Barcroft residents
71 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across Lake Barcroft 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 1,897 Lake Barcroft residents, or 34.5%, live above that level. By land area, 37.2% of Lake Barcroft is above 55 dBA.
62.8% below 55 dBA
37.2% above 55 dBA
See how noise in Lake Barcroft compares to similar-sized neighborhoods.
Noise by Part of Lake Barcroft
Average noise levels for Lake Barcroft residents, grouped by direction from the center of Lake Barcroft. The highest population-weighted average is in southeastern Lake Barcroft; the lowest is in northeastern Lake Barcroft, where just 26% of residents live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in the loudest section.
Southeastern Lake Barcroft
57.9 dBA · Moderate-loud
Normal conversation an arm’s length away
Southwestern Lake Barcroft
57.6 dBA · Moderate-loud
Normal conversation an arm’s length away
Northern Lake Barcroft
55.7 dBA · Moderate-loud
Quiet office to normal conversation
Western Lake Barcroft
55.6 dBA · Moderate-loud
Quiet office to normal conversation
Northeastern Lake Barcroft
55.1 dBA · Moderate-loud
Quiet office to normal conversation
To the human ear, noise in southeastern Lake Barcroft sounds about 21% louder than in northeastern Lake Barcroft, a 2.8 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 71 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
71 dBA
Highway traffic 50 ft away
165 ft
59 dBA
Normal conversation an arm’s length away
330 ft
52 dBA
Quiet office to normal conversation
660 ft
45 dBA
Quiet suburban street at night
¼ mile
39 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 49% of Lake Barcroft sits under tree canopy (much heavier than most neighborhoods) and roughly 26% 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
Ronald Reagan Washington Ntl (DCA) sits east of Lake Barcroft. 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 Lake Barcroft, 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 Lake Barcroft
The bar chart below shows the share of Lake Barcroft residents in each noise band. About 40% of residents live below the EPA's 55 dBA threshold, and roughly 4% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Lake Barcroft Compares
Lake Barcroft sits at the quieter end of the spectrum. Below: how Lake Barcroft's average outdoor noise and share of residents above the EPA threshold compare with Lyon Park, Nauck, Penrose, and Columbia Heghts.
Average noise level (dBA)
Lake Barcroft's 55.6 dBA pop-weighted average is at the quieter end of the spectrum. Virginia as a whole averages 52.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Lake Barcroft because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 34.5% of Lake Barcroft residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's in the middle of its peer group. Measured by land area instead, 37.2% of Lake Barcroft's footprint sits above 55 dBA, against a Virginia average of 30.0% and a national average of 28.1%.
What This Means if You're Moving to Lake Barcroft
- 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 49% of Lake Barcroft is under tree cover (much heavier than most neighborhoods), and the dominant land cover is low-density developed open space. 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. Ronald Reagan Washington Ntl's approach paths concentrate aviation noise to the east. Neighborhoods to the west of downtown show no measurable contribution from the airport.
