Noise Levels in Middle Valley, TN | Find Quiet Neighborhoods With Our Sound Map
50 dBA
Average noise across Middle Valley
Quiet office
1,316
Residents above the EPA 55 dBA threshold
10% of Middle Valley residents
73 dBA
Loudest residential point
City bus interior
This map shows modeled outdoor noise across Middle Valley 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 1,316 Middle Valley residents, or 10.4%, live above that level. By land area, 15.7% of Middle Valley is above 55 dBA.
Average noise levels for Middle Valley residents, grouped by direction from the center of Middle Valley. Southern Middle Valley carries the highest population-weighted average; Western Middle Valley carries the lowest. Just 8% of residents in Western Middle Valley live in blocks above the EPA's 55 dBA threshold, about half the share in Southern Middle Valley.
Central Middle Valley
52.6 dBA · Moderate
Quiet office to normal conversation
26% of people above 55 dBA
QuietLoud
Eastern Middle Valley
50.2 dBA · Moderate
Quiet office
12% of people above 55 dBA
QuietLoud
Northern Middle Valley
48.7 dBA · Mostly quiet
Quiet office
6% of people above 55 dBA
QuietLoud
Southern Middle Valley
53.1 dBA · Moderate-loud
Quiet office to normal conversation
18% of people above 55 dBA
QuietLoud
Western Middle Valley
48.0 dBA · Mostly quiet
Quiet office
8% of people above 55 dBA
QuietLoud
Southern Middle Valley sounds about 42% louder than Western Middle Valley to the human ear, a 5.1 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 D032 do you need to be?
D032 produces an estimated 55 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
55 dBA
Quiet office to normal conversation
165 ft
43 dBA
Quiet suburban street at night
330 ft
36 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 35% of Middle Valley sits under tree canopy (about average for cities) and roughly 14% 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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Rail Noise
Active freight rail runs through parts of Middle Valley. For most blocks the rail-only contribution is small. Combined road-plus-rail noise rarely exceeds road noise on its own. The exceptions are the handful of blocks within roughly a quarter mile of the right-of-way during pass-through hours.
Use the Rail toggle on the map above to isolate rail's contribution from road and aviation.
How Noise Is Distributed Across Middle Valley
The bar chart below shows the share of Middle Valley residents in each noise band. About 95% 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 Middle Valley Compares
Middle Valley sits at the quieter end of the spectrum. Below: how Middle Valley's average outdoor noise and share of residents above the EPA threshold compare with Harrison, Signal Mountain, Red Bank, and Collegedale.
Average noise level (dBA)
Middle Valley's 49.6 dBA pop-weighted average is at the quieter end of the spectrum. Tennessee as a whole averages 49.2 dBA and the U.S. averages 52.0 dBA. Both are lower than Middle Valley because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 10.4% of Middle Valley 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, 15.7% of Middle Valley's footprint sits above 55 dBA, against a Tennessee average of 18.7% and a national average of 28.1%.
What This Means if You're Moving to Middle Valley
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 D032 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 35% of Middle Valley is under tree cover (about average for cities), 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.
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.
