Zip Code 54646

📍 Necedah, WI

Toxic Air Emissions Report (2024)

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

12,108.34 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Necedah, WI released over 12,108.34 lbs of pollutants. The primary source was UNITED ENERGY NECEDAH LLC, which emitted n-Hexane into the local air. Residents of 54646 face significantly higher exposure risks than the national average.

Top Polluting Facilities

UNITED ENERGY NECEDAH LLC

Owned by: nan

n-Hexane released to air

4,410.12 lbs

LBS
UNITED ENERGY NECEDAH LLC Cancer Risk

Owned by: nan

Acrolein released to air

2,865.01 lbs

LBS
UNITED ENERGY NECEDAH LLC Cancer Risk

Owned by: nan

Acetaldehyde released to air

2,414.08 lbs

LBS
UNITED ENERGY NECEDAH LLC

Owned by: nan

Methanol released to air

1,193.58 lbs

LBS
UNITED ENERGY NECEDAH LLC

Owned by: nan

Toluene released to air

590.47 lbs

LBS
UNITED ENERGY NECEDAH LLC

Owned by: nan

Xylene (mixed isomers) released to air

452.84 lbs

LBS
UNITED ENERGY NECEDAH LLC Cancer Risk

Owned by: nan

Benzene released to air

91.67 lbs

LBS
UNITED ENERGY NECEDAH LLC Cancer Risk

Owned by: nan

Ethylbenzene released to air

90.57 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Nekoosa, WI (54457) 19.3 mi away

Heavy Industrial Activity

225,290.90 lbs

Annual Emissions
Mauston, WI (53948) 16.7 mi away

Heavy Industrial Activity

6,205.00 lbs

Annual Emissions
New Lisbon, WI (53950) 11.1 mi away

Heavy Industrial Activity

24 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 54656 Report: 54665 Report: 54615 Report: 54614 Report: 54612 Report: 54610

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Protect Your Lungs

Because toxic gases and VOCs were detected in this area (likely from the Benzene), 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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