Zip Code 59044
📍 Laurel, MT
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
144,471.80 lbs
State Score
13
/ 100
National Score
9
/ 100
In 2024, industrial facilities in Laurel, MT released over 144,471.80 lbs of pollutants. The primary source was CHS INC. LAUREL REFINERY, which emitted large quantities of Ammonia into the local air. Residents of 59044 face significantly higher exposure risks than the national average.
Top Polluting Facilities
- CHS INC. LAUREL REFINERYOwned by: CHS INCAmmonia released to air59,468.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCHydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air28,064.30 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCPropylene released to air10,852.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCn-Hexane released to air8,307.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCMethanol released to air6,486.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCXylene (mixed isomers) released to air6,276.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCToluene released to air4,934.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCHydrogen sulfide released to air4,901.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INC1,2,4-Trimethylbenzene released to air3,451.00 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCBenzene released to air3,409.00 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCNaphthalene released to air1,753.70 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCEthylbenzene released to air1,485.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCCyclohexane released to air1,427.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCPhenol released to air1,128.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCPhenanthrene released to air1,127.00 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCTetrachloroethylene released to air844.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCZinc compounds released to air299.00 lbsLBS
- CHS INC. LAUREL REFINERYOwned by: CHS INCHydrogen fluoride released to air201.00 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCPolycyclic aromatic compounds released to air38 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCMolybdenum trioxide released to air18.1 lbsLBS
- CHS INC. LAUREL REFINERY Cancer RiskOwned by: CHS INCCumene released to air2.7 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Billings, MT (59101) 14.7 mi awayHeavy Industrial Activity430,131.31 lbsAnnual Emissions
- Billings, MT (59106) 9.0 mi awayHeavy Industrial Activity0.4511 lbsAnnual Emissions
- Billings, MT (59102) 12.0 mi awayHeavy Industrial Activity0.028 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 Toluene), 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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