Zip Code 50158

📍 Marshalltown, IA

Toxic Air Emissions Report (2024)

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

24,487.24 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Marshalltown, IA released over 24,487.24 lbs of pollutants. The primary source was SWIFT PORK, which emitted large quantities of Ammonia into the local air. Residents of 50158 face significantly higher exposure risks than the national average.

Top Polluting Facilities

SWIFT PORK

Owned by: JBS USA FOOD CO

Ammonia released to air

24,487.00 lbs

LBS
FORTERRA CONCRETE PRODUCTS - MARSHALLTOWN Cancer Risk

Owned by: QUIKRETE HOLDINGS

Lead released to air

0.2386 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Tama, IA (52339) 17.9 mi away

Heavy Industrial Activity

78.081 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 50157

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Protect Your Lungs

Because toxic gases and VOCs were detected in this area (likely from the Ammonia), standard filters are not enough. We strongly recommend an Activated Carbon purifier to adsorb these fumes.

View Recommended Carbon Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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