Noise Levels in Sienna Plantation, TX | Find Quiet Neighborhoods With Our Sound Map
52 dBA
Average noise across Sienna Plantation
Quiet office to normal conversation
3,673
Residents above the EPA 55 dBA threshold
24% of Sienna Plantation residents
68 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across Sienna Plantation 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 3,673 Sienna Plantation residents, or 23.5%, live above that level. By land area, 16.0% of Sienna Plantation is above 55 dBA.
84.0% below 55 dBA
16.0% above 55 dBA
See how noise in Sienna Plantation compares to similar-sized cities.
Noise by Part of Sienna Plantation
Average noise levels for Sienna Plantation residents, grouped by direction from the center of Sienna Plantation. The highest population-weighted average is in northern Sienna Plantation; the lowest is in southeastern Sienna Plantation, where just 8% of residents live in blocks above the EPA's 55 dBA threshold, a third of the share in the loudest section.
Northern Sienna Plantation
56.3 dBA · Moderate-loud
Normal conversation an arm’s length away
Northwestern Sienna Plantation
56.3 dBA · Moderate-loud
Normal conversation an arm’s length away
Western Sienna Plantation
52.2 dBA · Moderate
Quiet office to normal conversation
Eastern Sienna Plantation
49.6 dBA · Mostly quiet
Quiet office
Southeastern Sienna Plantation
49.5 dBA · Mostly quiet
Quiet office
To the human ear, noise in northern Sienna Plantation sounds about 60% louder than in southeastern Sienna Plantation, a 6.8 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 68 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
68 dBA
Highway traffic 50 ft away
165 ft
54 dBA
Quiet office to normal conversation
330 ft
46 dBA
Quiet suburban street at night
660 ft
38 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 19% of Sienna Plantation sits under tree canopy (lighter than most cities) and roughly 38% 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 Sienna Plantation. 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.
Airport Noise
William P Hobby (HOU) sits northeast of Sienna Plantation. The U.S. Department of Transportation models aviation noise around this airport from federal traffic data, 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 65 dBA on the map's Overall layer. Blocks on the opposite side of Sienna Plantation, particularly to the southwest, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across Sienna Plantation
The bar chart below shows the share of Sienna Plantation residents in each noise band. About 81% 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 Sienna Plantation Compares
Sienna Plantation sits the highest among the peer group. Below: how Sienna Plantation's average outdoor noise and share of residents above the EPA threshold compare with Fresno, Manvel, Rosharon, and Stafford.
Average noise level (dBA)
Sienna Plantation's 51.6 dBA pop-weighted average is the highest among the peer group. Texas as a whole averages 50.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Sienna Plantation because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 23.5% of Sienna Plantation residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's more than any of its peer group. Measured by land area instead, 16.0% of Sienna Plantation'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 Sienna Plantation
- 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 19% of Sienna Plantation is under tree cover (lighter than most cities), and the dominant land cover is medium-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. William P Hobby's approach paths concentrate aviation noise to the northeast. Neighborhoods to the southwest of downtown show no measurable contribution from the airport.
