Noise Levels in Rock Spring, Arlington, VA | Find Quiet Neighborhoods With Our Sound Map
56 dBA
Average noise across Rock Spring
Quiet office to normal conversation
1,517
Residents above the EPA 55 dBA threshold
52% of Rock Spring residents
70 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across Rock Spring 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 1,517 Rock Spring residents, or 52.2%, live above that level. By land area, 53.2% of Rock Spring is above 55 dBA.
46.8% below 55 dBA
53.2% above 55 dBA
See how noise in Rock Spring compares to similar-sized neighborhoods.
Noise by Part of Rock Spring
Average noise levels for Rock Spring residents, grouped by direction from the center of Rock Spring. The highest population-weighted average is in northeastern Rock Spring; the lowest is in southwestern Rock Spring, where just 43% of residents live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in the loudest section.
Northeastern Rock Spring
57.5 dBA · Moderate-loud
Normal conversation an arm’s length away
Eastern Rock Spring
57.1 dBA · Moderate-loud
Normal conversation an arm’s length away
Central Rock Spring
56.6 dBA · Moderate-loud
Normal conversation an arm’s length away
Southwestern Rock Spring
55.8 dBA · Moderate-loud
Quiet office to normal conversation
To the human ear, noise in northeastern Rock Spring sounds about 13% louder than in southwestern Rock Spring, a 1.7 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 Williamsburg Blvd do you need to be?
Williamsburg Blvd produces an estimated 60 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
60 dBA
Normal conversation an arm’s length away
165 ft
48 dBA
Quiet office
330 ft
41 dBA
Soft rainfall
660 ft
35 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 50% of Rock Spring sits under tree canopy (much heavier than most neighborhoods) and roughly 22% 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 southeast of Rock Spring. 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 Rock Spring, particularly to the northwest, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across Rock Spring
The bar chart below shows the share of Rock Spring residents in each noise band. About 30% of residents live below the EPA's 55 dBA threshold, and roughly 5% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Rock Spring Compares
Rock Spring sits at the quieter end of the spectrum. Below: how Rock Spring's average outdoor noise and share of residents above the EPA threshold compare with yorktown-arlington-va, Pimmit Hills, Lyon Village, and Williamsburg.
Average noise level (dBA)
Rock Spring's 55.7 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 Rock Spring because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 52.2% of Rock Spring 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, 53.2% of Rock Spring'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 Rock Spring
- 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 Williamsburg Blvd 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 50% of Rock Spring is under tree cover (much heavier than most neighborhoods), and the dominant land cover is low-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. Ronald Reagan Washington Ntl's approach paths concentrate aviation noise to the southeast. Neighborhoods to the northwest of downtown show no measurable contribution from the airport.
