Zip Code 50461

📍 Osage, IA

Toxic Air Emissions Report (2024)

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

19,090.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Osage, IA released over 19,090.00 lbs of pollutants. The primary source was VALENT BIOSCIENCES LLC, which emitted large quantities of Ammonia into the local air. Residents of 50461 face significantly higher exposure risks than the national average.

Top Polluting Facilities

VALENT BIOSCIENCES LLC

Owned by: SUMITOMO CHEMICAL AMERICA INC.

Ammonia released to air

9,400.00 lbs

LBS
VALENT BIOSCIENCES LLC

Owned by: SUMITOMO CHEMICAL AMERICA INC.

Methanol released to air

9,000.00 lbs

LBS
VALENT BIOSCIENCES LLC

Owned by: SUMITOMO CHEMICAL AMERICA INC.

Hydrogen sulfide released to air

690.00 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Charles City, IA (50616) 16.7 mi away

Heavy Industrial Activity

56,087.01 lbs

Annual Emissions
Saint Ansgar, IA (50472) 9.9 mi away

Heavy Industrial Activity

16,476.16 lbs

Annual Emissions
Riceville, IA (50466) 14.3 mi away

Heavy Industrial Activity

108.26 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 50466 Report: 50470 Report: 50451 Report: 50472 Report: 50447 Report: 50475

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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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