PHILLIPS 66 CO - SWEENY REFINERY
Quick Summary
- •Released 992,522 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $554,804 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
8189 OLD FM 524
OLD OCEAN, TX 77463
View on map ↗ - County
- BRAZORIA County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324110
- Inspections
- 11 · last Jul 8, 2025
- Total Penalties
- $554,804 · last Sep 30, 2025
- Registry ID
- 110007182360
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,213,496 | — |
| 2016 | 914,863 | -25% |
| 2017 | 992,522 | +8% |
| 2018 | 980,852 | -1% |
| 2019 | 675,699 | -31% |
| 2020 | 979,333 | +45% |
| 2021 | 544,778 | -44% |
| 2022 | 1,684,023 | +209% |
| 2023 | 915,785 | -46% |
| 2024 | 908,330 | -1% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrachloroethylene | — | — | — | — | 152 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 678,814 | — | 678,814 | — | — | |
| n-Hexane | 38,682 | 38,682 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 32,437 | 32,437 | — | — | — | |
| Benzene | 22,923 | 22,923 | — | — | 15 | ♦ Carcinogen |
| Propylene | 21,005 | 21,005 | — | — | — | |
| Diethanolamine | 17,205 | 17,205 | — | — | — | |
| Hydrogen cyanide | 14,328 | 14,318 | 10 | — | — | |
| Toluene | 13,093 | 13,093 | — | — | 97 | |
| Ammonia | 12,937 | 3,763 | 9,174 | — | — | |
| Cyclohexane | 11,905 | 11,905 | — | — | — | |
| Hydrogen sulfide | 11,419 | 11,145 | 274 | — | — | |
| Xylene (mixed isomers) | 6,613 | 6,613 | — | — | 232 | |
| 1,3-Butadiene | 6,219 | 6,219 | — | — | — | ♦ Carcinogen |
| Methanol | 6,139 | 6,139 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,698 | 3,698 | — | — | — | |
| Ethylene | 3,358 | 3,358 | — | — | — | |
| Carbonyl sulfide | 2,560 | 2,560 | — | — | — | |
| Ethylbenzene | 1,499 | 1,499 | — | — | 49 | ♦ Carcinogen |
| Nickel compounds | 911 | 185 | 726 | — | 3,086 | ♦ Carcinogen |
| Carbon disulfide | 749 | 749 | — | — | 3 | |
| Hydrogen fluoride | 729 | 729 | — | — | — | |
| 1,2,4-Trimethylbenzene | 223 | 223 | — | — | — | |
| m-Xylene | 211 | 211 | — | — | — | |
| Naphthalene | 154 | 154 | — | — | 23 | ♦ Carcinogen |
| o-Xylene | 114 | 114 | — | — | 1 | |
| Chlorine | 96 | 96 | — | — | — | |
| p-Xylene | 92 | 92 | — | — | — | |
| Lead compounds | 84 | 84 | 1 | — | 2 | |
| Styrene | 72 | 72 | — | — | — | ♦ Carcinogen |
| Aluminum oxide (fibrous forms) | 47 | 47 | — | — | — | |
| Polycyclic aromatic compounds | 5 | 5 | — | — | 48 | ♦ Carcinogen |
| Mercury compounds | 5 | 4 | 1 | — | 0 | |
| Benzo[g,h,i]perylene | 2 | 2 | — | — | — | |
| Molybdenum trioxide | 1 | 1 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Aluminum oxide (fibrous forms) | — | — | — | — | — | |
| Tetrachloroethylene | — | — | — | — | 72 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 670,528 | — | 670,528 | — | — | |
| n-Hexane | 37,677 | 37,677 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 35,221 | 35,221 | — | — | — | |
| Propylene | 22,424 | 22,424 | — | — | — | |
| Benzene | 20,788 | 20,788 | — | — | 11 | ♦ Carcinogen |
| Methanol | 17,526 | 17,526 | — | — | — | |
| Diethanolamine | 16,973 | 16,973 | — | — | — | |
| Hydrogen sulfide | 12,286 | 11,781 | 505 | — | — | |
| Ammonia | 12,257 | 3,486 | 8,771 | — | — | |
| Hydrogen cyanide | 12,112 | 12,112 | — | — | — | |
| Cyclohexane | 11,989 | 11,989 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,190 | 11,190 | — | — | — | |
| Toluene | 11,036 | 11,036 | — | — | 46 | |
| 1,3-Butadiene | 5,923 | 5,923 | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 4,730 | 4,730 | — | — | 197 | |
| Ethylene | 3,616 | 3,616 | — | — | — | |
| Carbonyl sulfide | 3,509 | 3,509 | — | — | — | |
| Ethylbenzene | 1,518 | 1,518 | — | — | 22 | ♦ Carcinogen |
| Hydrogen fluoride | 1,327 | 1,327 | — | — | — | |
| Carbon disulfide | 1,027 | 1,027 | — | — | 1 | |
| Nickel compounds | 1,017 | 324 | 693 | — | 12,082 | ♦ Carcinogen |
| m-Xylene | 248 | 248 | — | — | — | |
| Naphthalene | 162 | 162 | — | — | 4 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 139 | 139 | — | — | — | |
| o-Xylene | 134 | 134 | — | — | 1 | |
| Lead compounds | 134 | 134 | 0 | — | 1,367 | |
| Chlorine | 111 | 111 | — | — | — | |
| p-Xylene | 108 | 108 | — | — | — | |
| Styrene | 57 | 57 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 8 | 7 | 2 | — | 29 | |
| Polycyclic aromatic compounds | 7 | 7 | — | — | 80 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 2 | 2 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrachloroethylene | — | — | — | — | 112 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,387,540 | — | 1,387,540 | — | — | |
| n-Hexane | 103,390 | 103,390 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 39,538 | 39,538 | — | — | — | |
| Benzene | 22,458 | 22,458 | — | — | 9 | ♦ Carcinogen |
| Propylene | 20,132 | 20,132 | — | — | — | |
| Diethanolamine | 16,814 | 16,814 | — | — | — | |
| Hydrogen sulfide | 14,726 | 14,177 | 549 | — | — | |
| Hydrogen cyanide | 13,273 | 13,226 | 47 | — | — | |
| Cyclohexane | 12,513 | 12,513 | — | — | — | |
| Toluene | 11,462 | 11,462 | — | — | 61 | |
| Xylene (mixed isomers) | 7,823 | 7,823 | — | — | 171 | |
| Methanol | 7,131 | 7,131 | — | — | — | |
| 1,3-Butadiene | 6,306 | 6,306 | — | — | — | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,345 | 4,345 | — | — | — | |
| Ethylene | 4,041 | 4,041 | — | — | — | |
| Carbonyl sulfide | 3,697 | 3,697 | — | — | — | |
| Ammonia | 3,306 | 1,510 | 1,796 | — | — | |
| Ethylbenzene | 1,791 | 1,791 | — | — | 30 | ♦ Carcinogen |
| Carbon disulfide | 1,082 | 1,082 | — | — | 1 | |
| Nickel compounds | 900 | 171 | 729 | — | 3,600 | ♦ Carcinogen |
| m-Xylene | 340 | 340 | — | — | — | |
| 1,2,4-Trimethylbenzene | 316 | 316 | — | — | — | |
| Hydrogen fluoride | 288 | 288 | — | — | — | |
| o-Xylene | 182 | 182 | — | — | 1 | |
| Naphthalene | 158 | 158 | — | — | 4 | ♦ Carcinogen |
| p-Xylene | 147 | 147 | — | — | — | |
| Styrene | 118 | 118 | — | — | — | ♦ Carcinogen |
| Chlorine | 105 | 105 | — | — | — | |
| Lead compounds | 76 | 76 | 1 | — | 248 | |
| Aluminum oxide (fibrous forms) | 9 | 9 | — | — | — | |
| Mercury compounds | 6 | 4 | 2 | — | 0 | |
| Polycyclic aromatic compounds | 5 | 5 | — | — | 79 | ♦ Carcinogen |
| Molybdenum trioxide | 3 | 3 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 2 | 2 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 305,552 | — | 305,552 | — | — | |
| n-Hexane | 115,642 | 115,642 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 29,000 | 29,000 | — | — | — | |
| Hydrogen cyanide | 11,227 | 10,970 | 257 | — | — | |
| Hydrogen sulfide | 11,190 | 10,956 | 234 | — | — | |
| Propylene | 10,500 | 10,500 | — | — | — | |
| Toluene | 8,529 | 8,529 | — | — | 4,224 | |
| Ethylene | 7,800 | 7,800 | — | — | — | |
| Ammonia | 7,605 | 2,592 | 5,013 | — | — | |
| Benzene | 7,253 | 7,253 | — | — | 759 | ♦ Carcinogen |
| Methanol | 5,522 | 5,522 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,534 | 4,534 | — | — | — | |
| 1,3-Butadiene | 3,984 | 3,984 | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 3,948 | 3,948 | — | — | 264 | |
| Carbonyl sulfide | 3,608 | 3,608 | — | — | — | |
| Cyclohexane | 2,963 | 2,963 | — | — | — | |
| Ethylbenzene | 2,065 | 2,065 | — | — | 53 | ♦ Carcinogen |
| Carbon disulfide | 1,056 | 1,056 | — | — | — | |
| Nickel compounds | 748 | 26 | 722 | — | — | ♦ Carcinogen |
| Diethanolamine | 450 | 450 | — | — | — | |
| 1,2,4-Trimethylbenzene | 363 | 363 | — | — | — | |
| Hydrogen fluoride | 275 | 275 | — | — | — | |
| m-Xylene | 193 | 193 | — | — | — | |
| p-Xylene | 184 | 184 | — | — | — | |
| Naphthalene | 166 | 166 | — | — | — | ♦ Carcinogen |
| o-Xylene | 106 | 106 | — | — | — | |
| Chlorine | 95 | 95 | — | — | — | |
| Lead compounds | 87 | 86 | 0 | — | — | |
| Polycyclic aromatic compounds | 81 | 81 | — | — | — | ♦ Carcinogen |
| Styrene | 37 | 37 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 8 | 6 | 2 | — | — | |
| Benzo[g,h,i]perylene | 4 | 4 | — | — | — | |
| Aluminum oxide (fibrous forms) | 2 | 2 | — | — | — | |
| Molybdenum trioxide | 1 | 1 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 702,751 | — | 702,751 | — | — | |
| n-Hexane | 86,020 | 86,020 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 67,000 | 67,000 | — | — | — | |
| Benzene | 20,142 | 20,142 | — | — | 421 | ♦ Carcinogen |
| Ammonia | 17,394 | 15,060 | 2,334 | — | — | |
| Cyclohexane | 12,773 | 12,773 | — | — | — | |
| Propylene | 12,100 | 12,100 | — | — | — | |
| Hydrogen sulfide | 11,545 | 11,438 | 107 | — | — | |
| Toluene | 10,464 | 10,464 | — | — | 11,441 | |
| Hydrogen cyanide | 7,950 | 7,710 | 240 | — | — | |
| Methanol | 5,281 | 5,281 | — | — | — | |
| Xylene (mixed isomers) | 5,274 | 5,274 | — | — | 742 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,703 | 4,703 | — | — | — | |
| 1,3-Butadiene | 4,028 | 4,028 | — | — | — | ♦ Carcinogen |
| Ethylene | 3,300 | 3,300 | — | — | — | |
| Carbonyl sulfide | 2,961 | 2,961 | — | — | — | |
| Ethylbenzene | 1,332 | 1,332 | — | — | 144 | ♦ Carcinogen |
| Nickel compounds | 812 | 40 | 772 | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 803 | 803 | — | — | — | ♦ Carcinogen |
| Carbon disulfide | 626 | 626 | — | — | — | |
| Diethanolamine | 604 | 604 | — | — | — | |
| 1,2,4-Trimethylbenzene | 290 | 290 | — | — | — | |
| Hydrogen fluoride | 235 | 235 | — | — | — | |
| m-Xylene | 209 | 209 | — | — | — | |
| Naphthalene | 158 | 158 | — | — | — | ♦ Carcinogen |
| o-Xylene | 112 | 112 | — | — | — | |
| Lead compounds | 99 | 98 | 1 | — | 4,323 | |
| Chlorine | 93 | 93 | — | — | — | |
| p-Xylene | 90 | 90 | — | — | 1 | |
| Polycyclic aromatic compounds | 82 | 82 | — | — | — | ♦ Carcinogen |
| Styrene | 77 | 77 | — | — | 2 | ♦ Carcinogen |
| Aluminum oxide (fibrous forms) | 9 | 9 | — | — | — | |
| Mercury compounds | 9 | 7 | 2 | — | 1 | |
| Benzo[g,h,i]perylene | 4 | 4 | — | — | — | |
| Molybdenum trioxide | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 658,575 | — | 658,575 | — | — | |
| Propylene | 12,400 | 12,400 | — | — | — | |
| Carbonyl sulfide | 3,156 | 3,156 | — | — | — | |
| Carbon disulfide | 667 | 667 | — | — | — | |
| Diethanolamine | 593 | 593 | — | — | — | |
| Hydrogen fluoride | 230 | 230 | — | — | — | |
| Polycyclic aromatic compounds | 78 | 78 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vanadium compounds | — | — | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 583,645 | — | 583,645 | — | — | |
| n-Hexane | 123,372 | 123,372 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 87,000 | 87,000 | — | — | — | |
| Ammonia | 40,399 | 36,060 | 4,339 | — | — | |
| Hydrogen sulfide | 25,344 | 25,080 | 264 | — | — | |
| Hydrogen cyanide | 20,506 | 20,360 | 146 | — | — | |
| Diethanolamine | 16,500 | 16,500 | — | — | — | |
| Propylene | 15,400 | 15,400 | — | — | — | |
| Cyclohexane | 13,300 | 13,300 | — | — | — | |
| Benzene | 12,400 | 12,400 | — | — | 1,029 | ♦ Carcinogen |
| Toluene | 10,700 | 10,700 | — | — | 9,605 | |
| Xylene (mixed isomers) | 8,350 | 8,350 | — | — | 606 | |
| Methanol | 7,075 | 7,075 | — | — | — | |
| Ethylene | 4,300 | 4,300 | — | — | — | |
| Carbonyl sulfide | 3,071 | 3,071 | — | — | — | |
| 1,3-Butadiene | 3,060 | 3,060 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 1,650 | 1,650 | — | — | 121 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,106 | 1,106 | — | — | — | |
| Nickel compounds | 770 | 38 | 732 | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 704 | 704 | — | — | — | ♦ Carcinogen |
| Carbon disulfide | 649 | 649 | — | — | — | |
| 1,2,4-Trimethylbenzene | 308 | 308 | — | — | — | |
| Naphthalene | 210 | 210 | — | — | — | ♦ Carcinogen |
| m-Xylene | 207 | 207 | — | — | — | |
| Hydrogen fluoride | 195 | 195 | — | — | — | |
| Chlorine | 168 | 168 | — | — | — | |
| o-Xylene | 110 | 110 | — | — | — | |
| Lead compounds | 104 | 103 | 1 | — | 325 | |
| p-Xylene | 90 | 90 | — | — | — | |
| Polycyclic aromatic compounds | 79 | 79 | — | — | — | ♦ Carcinogen |
| Styrene | 65 | 65 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 9 | 7 | 2 | — | 2 | |
| Benzo[g,h,i]perylene | 6 | 6 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Molybdenum trioxide | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vanadium compounds | — | — | — | — | — | |
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 600,996 | — | 600,996 | — | — | |
| n-Hexane | 105,420 | 105,420 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 80,000 | 80,000 | — | — | — | |
| Ammonia | 55,313 | 52,050 | 3,263 | — | — | |
| Hydrogen cyanide | 28,510 | 28,350 | 160 | — | — | |
| Hydrogen sulfide | 24,533 | 24,298 | 235 | — | 24 | |
| Diethanolamine | 16,300 | 16,300 | — | — | — | |
| Propylene | 13,609 | 13,609 | — | — | — | |
| Benzene | 11,500 | 11,500 | — | — | 7,679 | ♦ Carcinogen |
| Cyclohexane | 11,100 | 11,100 | — | — | — | |
| Toluene | 10,800 | 10,800 | — | — | 7,693 | |
| Methanol | 7,534 | 7,534 | — | — | — | |
| Xylene (mixed isomers) | 5,240 | 5,240 | — | — | — | |
| Ethylene | 5,171 | 5,171 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,686 | 4,686 | — | — | — | |
| 1,3-Butadiene | 3,060 | 3,060 | — | — | — | ♦ Carcinogen |
| Carbonyl sulfide | 3,057 | 3,057 | — | — | — | |
| Ethylbenzene | 1,240 | 1,240 | — | — | 99 | ♦ Carcinogen |
| Tetrachloroethylene | 1,000 | 1,000 | — | — | — | ♦ Carcinogen |
| Nickel compounds | 827 | 17 | 810 | — | — | ♦ Carcinogen |
| Carbon disulfide | 646 | 646 | — | — | — | |
| 1,2,4-Trimethylbenzene | 386 | 386 | — | — | — | |
| Naphthalene | 293 | 293 | — | — | 21 | ♦ Carcinogen |
| Lead compounds | 252 | 251 | 1 | — | 1,192 | |
| o-Xylene | 240 | 240 | — | — | — | |
| m-Xylene | 200 | 200 | — | — | — | |
| Hydrogen fluoride | 158 | 158 | — | — | — | |
| Chlorine | 150 | 150 | — | — | — | |
| Styrene | 115 | 115 | — | — | — | ♦ Carcinogen |
| p-Xylene | 100 | 100 | — | — | — | |
| Polycyclic aromatic compounds | 71 | 71 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 11 | 9 | 2 | — | 0 | |
| Benzo[g,h,i]perylene | 5 | 5 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 583,117 | — | 583,117 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 83,000 | 83,000 | — | — | — | |
| Ammonia | 54,791 | 49,090 | 5,701 | — | — | |
| Hydrogen cyanide | 31,682 | 31,600 | 82 | — | — | |
| n-Hexane | 29,000 | 29,000 | — | — | — | |
| Hydrogen sulfide | 24,975 | 24,784 | 191 | — | 10 | |
| Diethanolamine | 17,800 | 17,800 | — | — | — | |
| Toluene | 16,100 | 16,100 | — | — | 8,972 | |
| Propylene | 15,100 | 15,100 | — | — | — | |
| Benzene | 12,100 | 12,100 | — | — | 1,153 | ♦ Carcinogen |
| Cyclohexane | 11,200 | 11,200 | — | — | — | |
| Methanol | 7,534 | 7,534 | — | — | 10 | |
| Ethylene | 5,600 | 5,600 | — | — | — | |
| Xylene (mixed isomers) | 4,820 | 4,820 | — | — | 584 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,491 | 4,491 | — | — | — | |
| Carbonyl sulfide | 3,166 | 3,166 | — | — | — | |
| 1,3-Butadiene | 2,860 | 2,860 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 1,400 | 1,400 | — | — | 114 | ♦ Carcinogen |
| Tetrachloroethylene | 1,000 | 1,000 | — | — | — | ♦ Carcinogen |
| m-Xylene | 900 | 900 | — | — | — | |
| Carbon disulfide | 669 | 669 | — | — | — | |
| Vanadium compounds | 572 | 572 | — | — | — | |
| o-Xylene | 560 | 560 | — | — | — | |
| Naphthalene | 555 | 555 | — | — | 9 | ♦ Carcinogen |
| Nickel compounds | 554 | 46 | 508 | — | — | ♦ Carcinogen |
| p-Xylene | 310 | 310 | — | — | — | |
| 1,2,4-Trimethylbenzene | 286 | 286 | — | — | — | |
| Hydrogen fluoride | 230 | 230 | — | — | — | |
| Lead compounds | 177 | 176 | 1 | — | 6 | |
| Chlorine | 150 | 150 | — | — | — | |
| Styrene | 74 | 74 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 71 | 71 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 11 | 9 | 2 | — | 0 | |
| Benzo[g,h,i]perylene | 7 | 7 | — | — | — | |
| Molybdenum trioxide | 2 | 2 | — | — | 1,459 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 881,141 | — | 881,141 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 82,000 | 82,000 | — | — | — | |
| Ammonia | 50,554 | 46,180 | 4,374 | — | — | |
| Hydrogen cyanide | 33,562 | 33,000 | 562 | — | — | |
| n-Hexane | 29,000 | 29,000 | — | — | 1 | |
| Hydrogen sulfide | 24,171 | 23,981 | 190 | — | 3 | |
| Propylene | 17,900 | 17,900 | — | — | — | |
| Diethanolamine | 17,000 | 17,000 | — | — | — | |
| Toluene | 17,000 | 17,000 | — | — | 4,072 | |
| Benzene | 13,200 | 13,200 | — | — | 851 | ♦ Carcinogen |
| Cyclohexane | 11,400 | 11,400 | — | — | — | |
| Methanol | 6,776 | 6,776 | — | — | 5 | |
| Ethylene | 5,300 | 5,300 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,274 | 5,274 | — | — | — | |
| Xylene (mixed isomers) | 4,990 | 4,990 | — | — | 294 | |
| 1,3-Butadiene | 3,660 | 3,660 | — | — | — | ♦ Carcinogen |
| Carbonyl sulfide | 3,157 | 3,157 | — | — | — | |
| Ethylbenzene | 1,620 | 1,620 | — | — | 56 | ♦ Carcinogen |
| Tetrachloroethylene | 976 | 976 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 820 | 820 | — | — | — | |
| Carbon disulfide | 667 | 667 | — | — | — | |
| Naphthalene | 569 | 569 | — | — | 2 | ♦ Carcinogen |
| Nickel compounds | 549 | 43 | 506 | — | — | ♦ Carcinogen |
| Vanadium compounds | 485 | 485 | — | — | — | |
| m-Xylene | 400 | 400 | — | — | — | |
| Chlorine | 372 | 372 | — | — | — | |
| o-Xylene | 266 | 266 | — | — | — | |
| Hydrogen fluoride | 208 | 208 | — | — | — | |
| p-Xylene | 197 | 197 | — | — | — | |
| Lead compounds | 104 | 104 | 1 | — | 1,441 | |
| Styrene | 88 | 88 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 71 | 71 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 11 | 9 | 2 | — | 0 | |
| Benzo[g,h,i]perylene | 7 | 7 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Propylene | — | — | — | 14,786 |
| Tetrachloroethylene | — | — | 152 | — |
| Benzene | — | — | — | 519,475 |
| Toluene | — | — | 32 | 7,476 |
| Ethylbenzene | — | — | 40 | — |
| 1,3-Butadiene | — | — | — | 9,879 |
| Xylene (mixed isomers) | — | — | 221 | — |
| Nickel compounds | — | 224 | — | — |
| n-Hexane | — | — | — | 256 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 14,850 |
| Chlorine | — | — | — | 3,036 |
| Ammonia | — | — | — | 44,787 |
| Hydrogen sulfide | — | — | — | 337,223 |
| Ethylene | — | — | — | 8,318 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Lead compounds | — | — | — | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Mercury compounds | — | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Mercury compounds | — | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Mercury compounds | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
o-Xylene | — | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
o-Xylene | 1 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Polycyclic aromatic compounds | 2 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Polycyclic aromatic compounds | 5 | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Polycyclic aromatic compounds | 41 | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Benzene | 7 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Benzene | 4 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Benzene | 2 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Benzene | — | — | — | — |
|
FORT BEND REGIONAL LANDFILL
NEEDVILLE, TX
|
Benzene | 2 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
m-Xylene | — | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
m-Xylene | — | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Mercury compounds | — | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Lead compounds | 2 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Lead compounds | — | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Naphthalene | 5 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Naphthalene | 13 | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Naphthalene | 5 | — | — | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Nickel compounds | 2,843 | — | — | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Nickel compounds | — | 224 | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Nickel compounds | 19 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Tetrachloroethylene | — | — | 152 | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Carbon disulfide | 2 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Carbon disulfide | 1 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Carbon disulfide | — | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Ethylbenzene | — | — | 40 | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Ethylbenzene | 3 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Ethylbenzene | 6 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Toluene | 5 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Toluene | — | — | 32 | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Toluene | 8 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Toluene | 52 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Xylene (mixed isomers) | — | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Xylene (mixed isomers) | — | — | 221 | — |
|
COASTAL PLAINS RENEWABLE ENERGY PLANT
ALVIN, TX
|
Xylene (mixed isomers) | 3 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Xylene (mixed isomers) | 8 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | — | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2025 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 145.00 mg/L | 75.00 | +93% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 256.74 kg/d | 251.97 | +2% | Sep 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 18.20 mg/L | 10.00 | +82% | Sep 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 36.40 mg/L | 15.00 | +143% | Sep 2024 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 76.40 mg/L | 75.00 | +2% | Jun 2024 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 89.40 MPN/100mL | 35.00 | +155% | May 2024 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 800.00 MPN/100mL | 104.00 | +669% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 365.56 kg/d | 251.97 | +45% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,131.78 kg/d | 1,049.15 | +8% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 264.32 kg/d | 251.97 | +5% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,515.43 kg/d | 2,485.20 | +1% | Mar 2023 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +18% | Mar 2022 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +94% | Feb 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,963.71 kg/d | 2,485.20 | +19% | Feb 2022 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +64% | Feb 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,324.32 kg/d | 1,228.98 | +8% | Feb 2022 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +82% | Dec 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +94% | Dec 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +121% | Nov 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +99% | Nov 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +8% | Oct 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +32% | Oct 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +41% | Aug 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +345% | Jul 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +302% | Jul 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.02 | +373% | Jun 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +310% | Jun 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.02 | +396% | May 2021 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +180% | May 2021 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +57% | Oct 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +29% | Oct 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +18% | Sep 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +54% | Sep 2020 | Resolved |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Aug 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.40 MGD | 0.64 | +119% | Aug 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +170% | Jul 2020 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.43 MGD | 0.64 | +123% | Jul 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.02 | +215% | Jul 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.02 | +335% | Jun 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +333% | Jun 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +11% | Apr 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +270% | Mar 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +139% | Mar 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +73% | Jan 2020 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +61% | Jan 2020 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.02 | +201% | Dec 2019 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +99% | Dec 2019 | Resolved |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +280% | Nov 2019 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +335% | Nov 2019 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.