Zip Code 48879
📍 Saint Johns, MI
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
12,773.04 lbs
State Score
29
/ 100
National Score
33
/ 100
In 2024, industrial facilities in Saint Johns, MI released over 12,773.04 lbs of pollutants. The primary source was MWC MICHIGAN LLC., which emitted large quantities of Ammonia into the local air. Residents of 48879 face significantly higher exposure risks than the national average.
Top Polluting Facilities
- MWC MICHIGAN LLC.Owned by: nanAmmonia released to air12,718.00 lbsLBS
- MAHLE ENGINE COMPONENTS USA INCOwned by: nanChromium compounds (except for chromite ore mined in the Transvaal Region) released to air38.41 lbsLBS
- MAHLE ENGINE COMPONENTS USA INC Cancer RiskOwned by: nanNickel compounds released to air16.26 lbsLBS
- MAHLE ENGINE COMPONENTS USA INCOwned by: nanManganese compounds released to air0.37 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Ithaca, MI (48847) 19.2 mi awayHeavy Industrial Activity211,341.02 lbsAnnual Emissions
- Lansing, MI (48917) 18.7 mi awayHeavy Industrial Activity110,948.03 lbsAnnual Emissions
- Lansing, MI (48933) 18.8 mi awayHeavy Industrial Activity33,808.00 lbsAnnual Emissions
Check Nearby Zip Codes
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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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