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.
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.
84.3% below 55 dBA
15.7% above 55 dBA
See how noise in Middle Valley compares to similar-sized cities.
Noise by Part of Middle Valley
Average noise levels for Middle Valley residents, grouped by direction from the center of Middle Valley. The highest population-weighted average is in northwestern Middle Valley; the lowest is in northern Middle Valley, where just 8% of residents live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in the loudest section.
Northwestern Middle Valley
54.4 dBA · Moderate-loud
Quiet office to normal conversation
Southern Middle Valley
52.4 dBA · Moderate
Quiet office to normal conversation
Southwestern Middle Valley
50.7 dBA · Moderate
Quiet office
Eastern Middle Valley
49.3 dBA · Mostly quiet
Quiet office
Northern Middle Valley
49.3 dBA · Mostly quiet
Quiet office
To the human ear, noise in northwestern Middle Valley sounds about 42% louder than in northern Middle Valley, 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.
