Noise Levels in Santa Clara, TX | Find Quiet Neighborhoods With Our Sound Map

46 dBA
Average noise across Santa Clara
Quiet office
25
Residents above the EPA 55 dBA threshold
3% of Santa Clara residents
97 dBA
Loudest residential point
Power saw

This map shows modeled outdoor noise across Santa Clara 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
Santa Clara, TX Map of Noise Levels in Santa Clara
Click the map to explore
35 45 55 70 90
Quietest (dBA) Loudest
Colorblind friendly off

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 25 Santa Clara residents, or 3.4%, live above that level. By land area, 11.4% of Santa Clara is above 55 dBA.

See how noise in Santa Clara compares to similar-sized cities.

Noise by Part of Santa Clara

Average noise levels for Santa Clara residents, grouped by direction from the center of Santa Clara. Southern Santa Clara carries the highest population-weighted average; Eastern Santa Clara carries the lowest. Just 0% of residents in Eastern Santa Clara live in blocks above the EPA's 55 dBA threshold, a fifth of the share in Southern Santa Clara.

Central Santa Clara

39.1 dBA · Quiet
Soft rainfall

0% of people above 55 dBA

QuietLoud

Eastern Santa Clara

37.5 dBA · Quiet
Soft rainfall

0% of people above 55 dBA

QuietLoud

Northern Santa Clara

40.5 dBA · Quiet
Soft rainfall

0% of people above 55 dBA

QuietLoud

Southern Santa Clara

66.1 dBA · Loud
Highway traffic 50 ft away

14% of people above 55 dBA

QuietLoud

Western Santa Clara

40.3 dBA · Quiet
Soft rainfall

0% of people above 55 dBA

QuietLoud

Southern Santa Clara sounds about 626% louder than Eastern Santa Clara to the human ear, a 28.6 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 97 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 busy restaurant.

At source
97 dBA
Power saw
165 ft
85 dBA
Food blender at arm’s length
330 ft
78 dBA
City bus interior
660 ft
71 dBA
City bus interior
¼ mile
64 dBA
Busy restaurant
½ mile
57 dBA
Normal conversation an arm’s length away

Calculated from the model's calibrated attenuation formula. About 4% of Santa Clara sits under tree canopy (much lighter than most cities) and roughly 7% 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.

-->

Rail Noise

Active freight rail runs through parts of Santa Clara. 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 Santa Clara

The bar chart below shows the share of Santa Clara residents in each noise band. About 85% of residents live below the EPA's 55 dBA threshold, and roughly 13% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.

How Santa Clara Compares

Santa Clara sits at the louder end of the spectrum. Below: how Santa Clara's average outdoor noise and share of residents above the EPA threshold compare with Zuehl, New Berlin, Nockenut, and Wetmore.

Average noise level (dBA)

Santa Clara's 46.1 dBA pop-weighted average is at the louder end of the spectrum. Texas as a whole averages 50.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Santa Clara because most of either area is rural land away from major roads.

Share of residents above 55 dBA

About 3.4% of Santa Clara 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, 11.4% of Santa Clara's footprint sits above 55 dBA, against a Texas average of 22.8% and a national average of 28.1%.

What This Means if You're Moving to Santa Clara

  • 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 4% of Santa Clara is under tree cover (much lighter than most cities), and the dominant land cover is shrub / scrub. 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.

Federal datasets used:

FHWA Highway Performance Monitoring System: road geometry, traffic counts, lane configuration
U.S. DoT Bureau of Transportation Statistics National Transportation Noise Map: aviation and rail noise, road calibration ground truth
USGS / MRLC National Land Cover Database: land cover and impervious surface coverage
USDA Forest Service Tree Canopy Cover: vegetation density for sound propagation
U.S. Census Bureau TIGER/Line: block-level geography and population
U.S. EPA Levels Document: 55 dBA outdoor reference level

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.