Zip Code 77447

📍 Hockley, TX

Toxic Air Emissions Report (2024)

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

7.27 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Hockley, TX released over 7.27 lbs of pollutants. The primary source was MADDEN GALVANIZING LLC, which emitted Zinc compounds into the local air. Air quality in 77447 is relatively consistent with regional baselines.

Top Polluting Facilities

MADDEN GALVANIZING LLC

Zinc compounds released to air

7 lbs

LBS
MADDEN GALVANIZING LLC

Lead compounds released to air

0.12 lbs

LBS
HEIDELBERG MATERIALS - HOCKLEY RMC Cancer Risk

Owned by: HEIDELBERG MATERIALS US INC

Lead released to air

0.0816 lbs

LBS
HOCKLEY PLANT Cancer Risk

Owned by: QUIKRETE HOLDINGS

Lead released to air

0.064 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Hempstead, TX (77445) 15.7 mi away

Heavy Industrial Activity

4,348.00 lbs

Annual Emissions
Houston, TX (77064) 18.5 mi away

Heavy Industrial Activity

607.51 lbs

Annual Emissions
Waller, TX (77484) 6.9 mi away

Heavy Industrial Activity

293.00 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 77448 Report: 77445 Report: 77449

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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 Lead compounds.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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