Zip Code 70723
📍 Convent, LA
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
57,774.17 lbs
State Score
32
/ 100
National Score
16
/ 100
In 2024, industrial facilities in Convent, LA released over 57,774.17 lbs of pollutants. The primary source was NUCOR STEEL LOUISIANA LLC, which emitted large quantities of Ammonia into the local air. Residents of 70723 face significantly higher exposure risks than the national average.
Top Polluting Facilities
- NUCOR STEEL LOUISIANA LLCOwned by: NUCOR CORPAmmonia released to air31,679.82 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORP Cancer RiskOwned by: OCCIDENTAL PETROLEUM CORP1,2-Dichloroethane released to air9,545.20 lbsLBS
- CONVENT REFINERYOwned by: SHELL OIL PRODUCTS USXylene (mixed isomers) released to air5,690.00 lbsLBS
- AIR PRODUCTS & CHEMICALS INC. - CONVENT SMROwned by: AIR PRODUCTS & CHEMICALS INCMethanol released to air4,809.00 lbsLBS
- CONVENT REFINERY Cancer RiskOwned by: SHELL OIL PRODUCTS USEthylbenzene released to air2,691.00 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPHydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air1,287.30 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPEthylene released to air1,065.00 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPChlorine released to air715.40 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPChloroethane released to air188.49 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPBis(2-chloroethyl) ether released to air41 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORP1,1,2-Trichloroethane released to air40 lbsLBS
- MILLENNIUM GALVANIZING LLCOwned by: CREST OPERATIONSZinc (fume or dust) released to air11.96 lbsLBS
- NUCOR STEEL LOUISIANA LLCOwned by: NUCOR CORPLead compounds released to air3.42 lbsLBS
- MILLENNIUM GALVANIZING LLCOwned by: CREST OPERATIONSZinc compounds released to air3.02 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORP Cancer RiskOwned by: OCCIDENTAL PETROLEUM CORPNaphthalene released to air1.5956 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORPOwned by: OCCIDENTAL PETROLEUM CORPLead compounds released to air0.8369 lbsLBS
- MILLENNIUM GALVANIZING LLC Cancer RiskOwned by: CREST OPERATIONSNickel released to air0.62 lbsLBS
- MILLENNIUM GALVANIZING LLCOwned by: CREST OPERATIONSManganese released to air0.35 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORP Cancer RiskOwned by: OCCIDENTAL PETROLEUM CORPAsbestos (friable) released to air0.1429 lbsLBS
- OCCIDENTAL CHEMICAL HOLDING CORP Cancer RiskOwned by: OCCIDENTAL PETROLEUM CORPDioxin and dioxin-like compounds released to air0.015373 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Donaldsonville, LA (70346) 11.5 mi awayHeavy Industrial Activity7,685,251.08 lbsAnnual Emissions
- Geismar, LA (70734) 17.4 mi awayHeavy Industrial Activity4,689,985.15 lbsAnnual Emissions
- Saint James, LA (70086) 1.9 mi awayHeavy Industrial Activity717,408.71 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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