Zip Code 92366
📍 Mountain Pass, CA
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
17,411.40 lbs
State Score
14
/ 100
National Score
29
/ 100
In 2024, industrial facilities in Mountain Pass, CA released over 17,411.40 lbs of pollutants. The primary source was MP MINE OPERATIONS LLC, which emitted large quantities of Ammonia into the local air. Residents of 92366 face significantly higher exposure risks than the national average.
Top Polluting Facilities
- MP MINE OPERATIONS LLCOwned by: nanAmmonia released to air11,373.00 lbsLBS
- MP MINE OPERATIONS LLCOwned by: nanPropylene released to air2,452.00 lbsLBS
- MP MINE OPERATIONS LLCOwned by: nanHydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air2,123.00 lbsLBS
- MP MINE OPERATIONS LLCOwned by: nanLead compounds released to air855.70 lbsLBS
- MP MINE OPERATIONS LLCOwned by: nanChlorine released to air607.00 lbsLBS
- MP MINE OPERATIONS LLCOwned by: nanMercury compounds released to air0.7 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Ivanpah, CA (92364) 15.4 mi awayHeavy Industrial Activity3,658.10 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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