Zip Code 51232

📍 Ashton, IA

Toxic Air Emissions Report (2024)

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

3,595.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Ashton, IA released over 3,595.00 lbs of pollutants. The primary source was POET BIOREFINING - ASHTON, which emitted n-Hexane into the local air. Air quality in 51232 is relatively consistent with regional baselines.

Top Polluting Facilities

POET BIOREFINING - ASHTON

Owned by: POET HOLDING CO LLC

n-Hexane released to air

2,683.00 lbs

LBS
POET BIOREFINING - ASHTON

Owned by: POET HOLDING CO LLC

Formic acid released to air

912.00 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Sheldon, IA (51201) 9.4 mi away

Heavy Industrial Activity

270,610.00 lbs

Annual Emissions
Hartley, IA (51346) 16.7 mi away

Heavy Industrial Activity

26,132.00 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 51247 Report: 51250 Report: 51201 Report: 51334 Report: 51346 Report: 51111

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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 n-Hexane.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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