Zip Code 78664

📍 Round Rock, TX

Toxic Air Emissions Report (2024)

Data Source: EPA TRI (2024) • Updated Nov 2025

258.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Round Rock, TX released over 258.00 lbs of pollutants. The primary source was EXFLUOR RESEARCH, which emitted Hydrogen fluoride into the local air. Air quality in 78664 is relatively consistent with regional baselines.

Top Polluting Facilities

EXFLUOR RESEARCH

Owned by: nan

Hydrogen fluoride released to air

258.00 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Austin, TX (78721) 16.8 mi away

Heavy Industrial Activity

36,820.00 lbs

Annual Emissions
Austin, TX (78754) 11.9 mi away

Heavy Industrial Activity

28,449.00 lbs

Annual Emissions
Austin, TX (78725) 18.0 mi away

Heavy Industrial Activity

10,275.79 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 78665 Report: 78666

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Protect Your Lungs

The primary pollutants detected here are likely heavy particulates. To protect your lungs, ensure you use a True HEPA (H13) filter, which captures 99.97% of airborne particles like Hydrogen fluoride.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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