Facility profile
Phillips 66 Co - Sweeny Refinery
Violation Identified across 12 of the last 12 quarters, with $554,804 in recorded penalties.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$554,804
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-08
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 293,360 lbs | 1,390,663 lbs | 0 lbs | 1,684,023 lbs |
| 2023 | 235,286 lbs | 680,499 lbs | 0 lbs | 915,785 lbs |
| 2024 | 219,331 lbs | 688,999 lbs | 0 lbs | 908,330 lbs |
Chemical breakdown
What this facility is reporting
-
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
-
n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Diethanolamine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Hydrogen cyanide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ammonia
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
-
Cyclohexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Hydrogen sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
1, 3-Butadiene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Carbonyl sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Nickel compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
-
Carbon disulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Hydrogen fluoride
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
m-Xylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
o-Xylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Chlorine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
p-Xylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Lead compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Styrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Aluminum oxide (fibrous forms)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Benzo[g, h, i]perylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Molybdenum trioxide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Dioxin and dioxin-like compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Tetrachloroethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Violation Identified across 12 of the last 12 quarters, with $554,804 in recorded penalties.