Zip Code 63143
📍 Maplewood, MO
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
766.45 lbs
State Score
61
/ 100
National Score
59
/ 100
In 2024, industrial facilities in Maplewood, MO released over 766.45 lbs of pollutants. The primary source was O'HARE FOUNDRY CORP, which emitted Copper into the local air. Air quality in 63143 is relatively consistent with regional baselines.
Top Polluting Facilities
- O'HARE FOUNDRY CORPOwned by: nanCopper released to air762.20 lbsLBS
- BI-STATE EMULSIONS Cancer RiskOwned by: BMC ENTERPRISES INCNaphthalene released to air2.68 lbsLBS
- BI-STATE EMULSIONS Cancer RiskOwned by: BMC ENTERPRISES INCPolycyclic aromatic compounds released to air0.9 lbsLBS
- O'HARE FOUNDRY CORPOwned by: nanLead compounds released to air0.67 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Arnold, MO (63010) 13.0 mi awayHeavy Industrial Activity169,617.64 lbsAnnual Emissions
- Granite City, IL (62040) 13.9 mi awayHeavy Industrial Activity157,941.34 lbsAnnual Emissions
- West Alton, MO (63386) 18.8 mi awayHeavy Industrial Activity84,785.54 lbsAnnual Emissions
Check Nearby Zip Codes
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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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