🍃 CleanAirDB

Zip Code 39581

📍 Pascagoula, MS

Toxic Air Emissions Report (2024)

Data Source: EPA TRI (2024) • Updated Nov 2025

684,539.40 lbs
State Score
4
/ 100
National Score
2
/ 100

In 2024, industrial facilities in Pascagoula, MS released over 684,539.40 lbs of pollutants. The primary source was CHEVRON PRODUCTS CO PASCAGOULA REFINERY, which emitted large quantities of Ammonia into the local air. Residents of 39581 face significantly higher exposure risks than the national average.

Top Polluting Facilities

  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Ammonia released to air
    142,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Hydrogen cyanide released to air
    114,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    n-Hexane released to air
    81,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Toluene released to air
    59,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Methanol released to air
    40,460.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air
    39,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Benzene released to air
    38,000.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    m-Xylene released to air
    20,700.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Propylene released to air
    20,100.00 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Xylene (mixed isomers) released to air
    17,692.00 lbs
    LBS
  • ROLLS-ROYCE NAVAL MARINE INC
    Owned by: ROLLS-ROYCE N.A. HOLDINGS INC
    Copper released to air
    16,850.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Cyclohexane released to air
    13,330.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Hydrogen sulfide released to air
    11,400.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Ethylene glycol released to air
    11,100.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    p-Xylene released to air
    10,500.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    o-Xylene released to air
    10,400.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Ethylbenzene released to air
    9,400.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air
    8,801.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Carbonyl sulfide released to air
    7,500.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Zinc compounds released to air
    1,900.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Ethylene released to air
    1,700.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Diethanolamine released to air
    1,401.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Naphthalene released to air
    1,400.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    1,3-Butadiene released to air
    1,244.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    1,2,4-Trimethylbenzene released to air
    1,200.00 lbs
    LBS
  • ROLLS-ROYCE NAVAL MARINE INC Cancer Risk
    Owned by: ROLLS-ROYCE N.A. HOLDINGS INC
    Nickel released to air
    942.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Certain glycol ethers released to air
    700.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Carbon disulfide released to air
    560.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Phenol released to air
    287.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    2,4-Dimethylphenol released to air
    280.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Vanadium compounds released to air
    252.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Nickel compounds released to air
    250.00 lbs
    LBS
  • ROLLS-ROYCE NAVAL MARINE INC
    Owned by: ROLLS-ROYCE N.A. HOLDINGS INC
    Manganese released to air
    229.00 lbs
    LBS
  • BOLLINGER MISSISSIPPI SHIPBUILDING LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Manganese released to air
    171.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Isoprene released to air
    120.00 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Chromium compounds (except for chromite ore mined in the Transvaal Region) released to air
    100 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Zinc (fume or dust) released to air
    74 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Tetrachloroethylene released to air
    74 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Lead compounds released to air
    64.6 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Copper compounds released to air
    60 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Manganese released to air
    57 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Cresol (mixed isomers) released to air
    44 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Copper released to air
    44 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    1,2-Dibromoethane released to air
    35 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Molybdenum trioxide released to air
    27 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Cobalt compounds released to air
    27 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Polycyclic aromatic compounds released to air
    22.3 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Mercury compounds released to air
    17.1 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC Cancer Risk
    Owned by: BOLLINGER SHIPYARDS LLC
    Lead released to air
    8 lbs
    LBS
  • BOLLINGER MISSISSIPPI SHIPBUILDING LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Chromium released to air
    6 lbs
    LBS
  • BOLLINGER MISSISSIPPI SHIPBUILDING LLC Cancer Risk
    Owned by: BOLLINGER SHIPYARDS LLC
    Nickel released to air
    4 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC Cancer Risk
    Owned by: BOLLINGER SHIPYARDS LLC
    Nickel released to air
    2 lbs
    LBS
  • BOLLINGER MISSISSIPPI REPAIR LLC
    Owned by: BOLLINGER SHIPYARDS LLC
    Chromium released to air
    2 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Benzo[g,h,i]perylene released to air
    1 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY
    Owned by: CHEVRON CORP
    Biphenyl released to air
    1 lbs
    LBS
  • BOLLINGER MISSISSIPPI SHIPBUILDING LLC Cancer Risk
    Owned by: BOLLINGER SHIPYARDS LLC
    Lead released to air
    0.3 lbs
    LBS
  • MMC MATERIALS GULF COAST LLC - PASCAGOULA Cancer Risk
    Owned by: MMC MATERIALS GULF COAST LLC
    Lead released to air
    0.051389 lbs
    LBS
  • CHEVRON PRODUCTS CO PASCAGOULA REFINERY Cancer Risk
    Owned by: CHEVRON CORP
    Dioxin and dioxin-like compounds released to air
    0.04911 lbs
    LBS

Nearby Pollution Sources (< 20 miles)

Check Nearby Zip Codes

Report: 39577 Report: 39572 Report: 39571 Report: 39568 Report: 39565 Report: 39563
😷

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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