Noise Levels in Hickory Grove, VA | Find Quiet Neighborhoods With Our Sound Map
50 dBA
Average noise across Hickory Grove
Quiet office
318
Residents above the EPA 55 dBA threshold
12% of Hickory Grove residents
65 dBA
Loudest residential point
Busy restaurant
This map shows modeled outdoor noise across Hickory Grove 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.
Overall
Road
Rail
Aviation
Click the map to explore
35 dBa55 dBa (EPA limit)90+ dBa
3545557090
Quietest (dBA)Loudest
Colorblind friendlyoff
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 318 Hickory Grove residents, or 12.1%, live above that level. By land area, 15.1% of Hickory Grove is above 55 dBA.
Average noise levels for Hickory Grove residents, grouped by direction from the center of Hickory Grove. Eastern Hickory Grove carries the highest population-weighted average; Western Hickory Grove carries the lowest. Just 0% of residents in Western Hickory Grove live in blocks above the EPA's 55 dBA threshold, a fifth of the share in Eastern Hickory Grove.
Eastern Hickory Grove
51.5 dBA · Moderate
Quiet office to normal conversation
14% of people above 55 dBA
QuietLoud
Northern Hickory Grove
50.6 dBA · Moderate
Quiet office
13% of people above 55 dBA
QuietLoud
Southern Hickory Grove
49.2 dBA · Mostly quiet
Quiet office
10% of people above 55 dBA
QuietLoud
Western Hickory Grove
40.3 dBA · Quiet
Soft rainfall
0% of people above 55 dBA
QuietLoud
Eastern Hickory Grove sounds about 117% louder than Western Hickory Grove to the human ear, a 11.2 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 65 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
65 dBA
Busy restaurant
165 ft
52 dBA
Quiet office to normal conversation
330 ft
45 dBA
Quiet suburban street at night
660 ft
37 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 23% of Hickory Grove sits under tree canopy (about average for cities) and roughly 0% 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
Washington Dulles International (IAD) sits east of Hickory Grove. 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 45 dBA on the map's Overall layer. Blocks on the opposite side of Hickory Grove, 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 Hickory Grove
The bar chart below shows the share of Hickory Grove residents in each noise band. About 98% of residents live below the EPA's 55 dBA threshold, and roughly 0% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Hickory Grove Compares
Hickory Grove sits at the louder end of the spectrum. Below: how Hickory Grove's average outdoor noise and share of residents above the EPA threshold compare with Middleburg, Broad Run, The Plains, and Catharpin.
Average noise level (dBA)
Hickory Grove's 50.2 dBA pop-weighted average is at the louder end of the spectrum. Virginia as a whole averages 52.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Hickory Grove because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 12.1% of Hickory Grove 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, 15.1% of Hickory Grove'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 Hickory Grove
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 23% of Hickory Grove is under tree cover (about average for cities), and the dominant land cover is pasture / hay. 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. Washington Dulles International's approach paths concentrate aviation noise to the east. Neighborhoods to the west of downtown show no measurable contribution from the airport.
Sources & Methodology
The BestNeighborhood noise model is calibrated against nearly one million federal ground-truth measurements across four states. Road noise is computed from segment-level federal traffic data and propagated outward using physics-based acoustic decay, with attenuation rates that depend on the surrounding land cover.
All inputs are published federal datasets. Block-level noise is computed by combining road, rail, and aviation sound sources in the energy domain, the same physics used in professional environmental noise assessments. Read the full methodology.
