EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

CHEVRON EL SEGUNDO REFINERY

Quick Summary

  • •Released 1,065,164 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 $1,078,634 in total penalties since records began.
  • •Reports releases of chemicals classified as known or probable carcinogens.
Address
324 W EL SEGUNDO BLVD
EL SEGUNDO, CA 90245
View on map ↗
County
LOS ANGELES County
Industry
Manufacturing
NAICS (North American Industry Classification)
324110
Inspections
11 · last May 28, 2025
Total Penalties
$1,078,634 · last Nov 24, 2021
Registry ID
110002899908

How This Compares

#3 of 996 TRI reporters in CA
#194 of 16,877 TRI reporters in Manufacturing

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.

12
Air (CAA)
Qtrs Non-Compliant
7
Water (CWA)
Qtrs Non-Compliant
2
Hazardous Waste (RCRA)
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.

Emissions Trend (2015–2024) +144% overall
Year Total Releases (lbs) vs Prior Year
2015 774,581 —
2016 2,011,414 +160%
2017 1,065,164 -47%
2018 1,821,855 +71%
2019 1,425,323 -22%
2020 714,806 -50%
2021 2,737,936 +283%
2022 2,039,591 -26%
2023 1,934,190 -5%
2024 1,893,845 -2%

2024

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,700,000 — 1,700,000 — 44,000
Ammonia 145,330 140,130 5,200 — —
Propylene 8,200 8,200 — — —
Xylene (mixed isomers) 5,402 5,400 2 — 954
Methanol 4,926 4,900 26 — —
Hydrogen cyanide 4,800 4,800 — — —
Hydrogen sulfide 4,420 4,420 — — —
Toluene 3,502 3,500 2 — 503
n-Hexane 2,753 2,750 3 — —
1,2,4-Trimethylbenzene 2,370 2,270 100 — 1,253
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,000 2,000 — — —
Carbonyl sulfide 1,800 1,800 — — —
Carbon disulfide 1,500 1,500 — — —
Ethylbenzene 1,333 1,330 3 — 155 ♦ Carcinogen
Benzene 1,113 1,110 3 — 66 ♦ Carcinogen
Certain glycol ethers 1,106 6 1,100 — —
Cyclohexane 823 820 3 — —
Ethylene 823 823 — — —
Naphthalene 470 470 — — 309 ♦ Carcinogen
Nickel compounds 391 171 220 — 31,706 ♦ Carcinogen
Phenol 175 169 6 — 220
Copper compounds 168 110 58 — 62,015
Cyanide compounds 150 — 150 — —
Tetrachloroethylene 78 78 — — 4 ♦ Carcinogen
Diethanolamine 52 52 — — —
Lead compounds 38 34 4 — 209
Cresol (mixed isomers) 37 25 12 — 286
1,3-Butadiene 30 30 — — — ♦ Carcinogen
Mercury compounds 18 17 1 — 4
Molybdenum trioxide 14 14 — — 422 ♦ Carcinogen
Polycyclic aromatic compounds 13 2 11 — 228 ♦ Carcinogen
Isoprene 8 8 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 1 — — ♦ Carcinogen
Benzo[g,h,i]perylene 1 — 1 — 29

2023

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,700,000 — 1,700,000 — 44,002
Ammonia 121,830 120,130 1,700 — —
Methanol 64,014 64,000 14 — 5
Propylene 9,600 9,600 — — —
Xylene (mixed isomers) 5,800 5,700 100 — 646
Hydrogen sulfide 5,700 5,700 — — —
Hydrogen cyanide 4,100 4,100 — — —
Toluene 3,902 3,900 2 — 237
n-Hexane 2,617 2,610 7 — —
1,2,4-Trimethylbenzene 2,460 2,350 110 — 770
Certain glycol ethers 2,312 12 2,300 — —
Zinc compounds 1,981 1,311 670 — 96,362
Carbonyl sulfide 1,800 1,800 — — —
Carbon disulfide 1,500 1,500 — — —
Ethylbenzene 1,443 1,440 3 — 91 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1,000 1,000 — — —
Benzene 988 980 8 — 31 ♦ Carcinogen
Ethylene 835 835 — — —
Cyclohexane 806 800 6 — —
Naphthalene 380 380 — — 180 ♦ Carcinogen
Nickel compounds 367 167 200 — 38,084 ♦ Carcinogen
Phenol 201 195 6 — 64
Copper compounds 181 113 68 — 38,830
Cyanide compounds 120 — 120 — —
Diethanolamine 61 61 — — 500
Lead compounds 46 35 11 — 685
Tetrachloroethylene 35 35 — — 2 ♦ Carcinogen
Cresol (mixed isomers) 33 20 13 — 97
1,3-Butadiene 27 27 — — — ♦ Carcinogen
Mercury compounds 18 18 — — 34
Polycyclic aromatic compounds 13 2 11 — 547 ♦ Carcinogen
Molybdenum trioxide 12 12 — — 3,757 ♦ Carcinogen
Isoprene 6 6 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 1 — — ♦ Carcinogen
Benzo[g,h,i]perylene 1 — 1 — 67

2022

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,900,000 — 1,900,000 — 41,000
Ammonia 72,450 70,350 2,100 — —
Methanol 11,015 11,000 15 — —
Propylene 10,100 10,100 — — —
Xylene (mixed isomers) 6,102 6,100 2 — 200
Hydrogen sulfide 5,720 5,720 — — —
Hydrogen cyanide 4,800 4,800 — — —
Toluene 4,703 4,700 3 — 297
Selenium compounds 3,614 14 3,600 — 158
Certain glycol ethers 2,814 14 2,800 — —
n-Hexane 2,543 2,540 3 — —
1,2,4-Trimethylbenzene 2,459 2,360 99 — 169
Zinc compounds 1,983 1,413 570 — 61,442
Carbonyl sulfide 1,800 1,800 — — —
Ethylbenzene 1,553 1,550 3 — 63 ♦ Carcinogen
Carbon disulfide 1,500 1,500 — — —
Benzene 1,253 1,250 3 — 12 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1,200 1,200 — — —
Ethylene 1,035 1,035 — — —
Cyclohexane 623 620 3 — —
Naphthalene 591 590 1 — 99 ♦ Carcinogen
Nickel compounds 483 183 300 — 36,858 ♦ Carcinogen
Vanadium compounds 240 240 — — 563
Phenol 231 221 10 — 150
Cyanide compounds 200 — 200 — —
Copper compounds 152 112 40 — 42,825
Chromium compounds (except for chromite ore mined in the Transvaal Region) 142 115 27 — 39,430
Cresol (mixed isomers) 55 43 12 — 212
Diethanolamine 50 50 — — 1,300
Lead compounds 43 38 5 — 1,056
Tetrachloroethylene 34 34 — — 3 ♦ Carcinogen
1,3-Butadiene 31 31 — — — ♦ Carcinogen
Polycyclic aromatic compounds 23 2 21 — 1,861 ♦ Carcinogen
Mercury compounds 19 19 — — 12
Molybdenum trioxide 16 16 — — 2,107 ♦ Carcinogen
Benzo[g,h,i]perylene 7 — 7 — 189
Isoprene 6 6 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 0 — — ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 2,291,522 — 2,291,522 — 5,964
Ammonia 271,480 270,380 1,100 — —
Methanol 100,039 100,016 23 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 22,190 22,190 — — —
Propylene 10,500 10,500 — — —
Hydrogen sulfide 5,720 5,720 — — —
Xylene (mixed isomers) 5,707 5,700 7 — 121
Hydrogen cyanide 4,800 4,800 — — —
Toluene 4,105 4,100 5 — 219
Selenium compounds 3,815 15 3,800 — 267
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,400 2,400 — — —
n-Hexane 2,322 2,320 2 — —
1,2,4-Trimethylbenzene 2,244 2,150 94 — 173
Certain glycol ethers 1,809 9 1,800 — —
Carbonyl sulfide 1,800 1,800 — — —
Ethylbenzene 1,532 1,530 2 — 35 ♦ Carcinogen
Carbon disulfide 1,500 1,500 — — —
Benzene 1,082 1,080 2 — 4 ♦ Carcinogen
Ethylene 874 874 — — —
Cyclohexane 592 590 2 — —
Naphthalene 501 500 1 — 94 ♦ Carcinogen
Nickel compounds 358 168 190 — 9,503 ♦ Carcinogen
Phenol 246 234 12 — 179
Vanadium compounds 240 240 — — 815
Tetrachloroethylene 190 190 — — 1 ♦ Carcinogen
Cyanide compounds 110 — 110 — —
Diethanolamine 59 59 — — 2,500
Lead compounds 45 40 5 — 1,180
Cresol (mixed isomers) 37 26 11 — 173
1,3-Butadiene 28 28 — — — ♦ Carcinogen
Polycyclic aromatic compounds 24 2 22 — 570 ♦ Carcinogen
Mercury compounds 20 20 — — 17
2,4-Dimethylphenol 19 4 15 — 360
Molybdenum trioxide 13 13 — — 282 ♦ Carcinogen
Benzo[g,h,i]perylene 8 — 8 — 66
Isoprene 5 5 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 0 — — ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 433,900 — 433,900 — —
Ammonia 141,890 140,390 1,500 — —
Methanol 74,015 74,000 15 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 22,310 22,310 — — —
Propylene 9,400 9,400 — — —
Hydrogen sulfide 4,940 4,940 — — —
Xylene (mixed isomers) 4,720 4,700 20 — 23
Toluene 3,204 3,200 4 — 91
Hydrogen cyanide 3,000 3,000 — — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,500 2,500 — — —
n-Hexane 2,254 2,250 4 — —
1,2,4-Trimethylbenzene 1,930 1,810 120 — 205
Certain glycol ethers 1,874 9 1,865 — —
Carbonyl sulfide 1,800 1,800 — — —
Carbon disulfide 1,500 1,500 — — —
Ethylbenzene 1,173 1,170 3 — 2 ♦ Carcinogen
Benzene 944 940 4 — 3 ♦ Carcinogen
Ethylene 937 937 — — —
Cyclohexane 554 550 4 — —
Phenol 435 420 15 — 57
Naphthalene 412 410 2 — 23 ♦ Carcinogen
Nickel compounds 385 147 238 — 26,716 ♦ Carcinogen
Copper compounds 185 112 73 — 33,031
Chromium compounds (except for chromite ore mined in the Transvaal Region) 135 103 32 — 26,596
Cyanide compounds 120 — 120 — —
Diethanolamine 53 53 — — 62,000
Tetrachloroethylene 44 44 — — 1 ♦ Carcinogen
Lead compounds 42 37 5 — 516
Polycyclic aromatic compounds 33 2 31 — 410 ♦ Carcinogen
Cresol (mixed isomers) 27 13 14 — 96
1,3-Butadiene 27 27 — — — ♦ Carcinogen
2,4-Dimethylphenol 24 4 20 — 191
Mercury compounds 18 18 — — 4
Benzo[g,h,i]perylene 11 — 11 — 49
Isoprene 5 5 — — — ♦ Carcinogen
Molybdenum trioxide 5 5 — — 102 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 0 — — ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 994,971 — 994,971 — —
Ammonia 278,546 274,653 3,893 — —
Methanol 81,291 81,278 13 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 24,261 24,261 — — —
Propylene 11,416 11,416 — — —
Hydrogen sulfide 6,258 6,258 — — —
Xylene (mixed isomers) 5,684 5,639 45 — 377
Toluene 3,132 3,124 8 — 1,110
Hydrogen cyanide 2,648 2,648 — — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,525 2,525 — — —
1,2,4-Trimethylbenzene 2,447 2,318 129 — 655
n-Hexane 2,350 2,345 5 — —
Carbonyl sulfide 1,972 1,972 — — —
Carbon disulfide 1,869 1,869 — — —
Ethylbenzene 1,559 1,556 3 — 196 ♦ Carcinogen
Benzene 984 980 4 — 72 ♦ Carcinogen
Ethylene 829 829 — — —
Cyclohexane 541 537 4 — —
Nickel compounds 505 175 330 — 31,692 ♦ Carcinogen
Naphthalene 467 465 2 — 187 ♦ Carcinogen
Phenol 268 252 16 — 446
Chromium compounds (except for chromite ore mined in the Transvaal Region) 236 136 100 — 45,107
Copper compounds 202 132 70 — 80,846
Diethanolamine 57 57 — — 180,000
Lead compounds 52 44 7 — 658
Cyanide compounds 51 — 51 — —
Polycyclic aromatic compounds 41 3 38 — 4,388 ♦ Carcinogen
Tetrachloroethylene 33 33 — — 9 ♦ Carcinogen
Cresol (mixed isomers) 29 14 15 — 8
1,3-Butadiene 27 27 — — — ♦ Carcinogen
2,4-Dimethylphenol 26 5 21 — 521
Mercury compounds 22 22 0 — 38
Benzo[g,h,i]perylene 13 0 13 — 521
Isoprene 6 6 — — — ♦ Carcinogen
Molybdenum trioxide 5 5 — — 885 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 0 1 — — ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide — — — — 1,853 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,433,594 — 1,433,594 — 1,686
Ammonia 227,209 223,351 3,858 — 24
Methanol 72,936 72,936 — — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,675 25,675 — — —
Hydrogen sulfide 21,035 21,035 — — —
Propylene 11,239 11,239 — — —
Xylene (mixed isomers) 6,169 6,165 4 — 204
Toluene 3,275 3,272 3 — 801
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,518 2,518 — — —
Hydrogen cyanide 2,507 2,507 — — —
1,2,4-Trimethylbenzene 2,492 2,364 128 — 230
n-Hexane 2,317 2,313 4 — —
Carbonyl sulfide 2,069 2,069 — — —
Carbon disulfide 1,828 1,828 — — —
Ethylbenzene 1,534 1,531 3 — 124 ♦ Carcinogen
Phenol 1,231 1,215 16 — 43
Ethylene 971 971 — — —
Benzene 970 965 5 — 17 ♦ Carcinogen
Cyclohexane 545 541 4 — —
Naphthalene 484 482 2 — 40 ♦ Carcinogen
Nickel compounds 450 174 276 — 20,900 ♦ Carcinogen
Copper compounds 186 123 63 — 10,562
Cyanide compounds 164 — 164 — 3
Chromium compounds (except for chromite ore mined in the Transvaal Region) 144 120 25 — 4,084
Lead compounds 49 41 8 — 1,018
Diethanolamine 47 47 — — 138,836
Tetrachloroethylene 45 45 — — 3 ♦ Carcinogen
Polycyclic aromatic compounds 45 3 42 — 1,633 ♦ Carcinogen
Cresol (mixed isomers) 31 16 15 — 7
1,3-Butadiene 30 30 — — — ♦ Carcinogen
2,4-Dimethylphenol 26 5 21 — 200
Mercury compounds 20 20 0 — 6
Benzo[g,h,i]perylene 14 0 14 — 197
Isoprene 6 6 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 0 — — ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide — — — — 496 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 750,000 — 750,000 — 6,900
Ammonia 186,230 180,530 5,700 — 160
Methanol 34,032 34,032 — — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 28,260 28,260 — — —
Hydrogen sulfide 21,420 21,420 — — —
Propylene 10,000 10,000 — — —
Xylene (mixed isomers) 8,220 8,100 120 — 388
Toluene 4,719 4,700 19 — 851
Hydrogen cyanide 3,000 3,000 — — —
1,2,4-Trimethylbenzene 2,820 2,700 120 — 381
n-Hexane 2,600 2,580 20 — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,500 2,500 — — —
Carbonyl sulfide 2,200 2,200 — — —
Ethylbenzene 1,977 1,960 17 — 227 ♦ Carcinogen
Carbon disulfide 1,800 1,800 — — —
Benzene 1,342 1,330 12 — 67 ♦ Carcinogen
Ethylene 1,020 1,020 — — —
Cyclohexane 557 540 17 — —
Naphthalene 492 490 2 — 227 ♦ Carcinogen
Cyanide compounds 460 — 460 — 11
Nickel compounds 428 178 250 — 28,806 ♦ Carcinogen
Phenol 425 410 15 — 146
Copper compounds 190 120 70 — 6,140
Chromium compounds (except for chromite ore mined in the Transvaal Region) 134 113 21 — 16,443
Lead compounds 53 41 12 — 625
Diethanolamine 51 51 — — 42,000
Tetrachloroethylene 50 50 — — 3 ♦ Carcinogen
Polycyclic aromatic compounds 47 3 44 — 2,343 ♦ Carcinogen
1,3-Butadiene 36 36 — — — ♦ Carcinogen
Cresol (mixed isomers) 30 16 14 — 571
2,4-Dimethylphenol 25 5 20 — 456
Mercury compounds 21 20 1 — 6
Benzo[g,h,i]perylene 15 0 15 — 235
Isoprene 10 10 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 0 — — ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide — — — — 1,282 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1,700,000 — 1,700,000 — 120,000
Ammonia 182,570 180,170 2,400 — 110
Methanol 29,015 29,015 — — —
Hydrogen sulfide 28,400 28,400 — — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 28,250 28,250 — — —
Propylene 9,500 9,500 — — —
Xylene (mixed isomers) 8,361 7,800 560 1 299
Toluene 3,627 3,600 26 1 927
Hydrogen cyanide 3,000 3,000 — — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,500 2,500 — — —
1,2,4-Trimethylbenzene 2,470 2,360 110 — 349
n-Hexane 2,310 2,310 — — —
Carbonyl sulfide 2,200 2,200 — — —
Ethylbenzene 1,863 1,850 13 — 203 ♦ Carcinogen
Carbon disulfide 1,800 1,800 — — —
Phenol 1,164 1,150 14 — 113
Benzene 1,134 1,110 24 — 67 ♦ Carcinogen
Ethylene 920 920 — — —
Cyclohexane 557 540 17 — —
Naphthalene 520 520 — — 171 ♦ Carcinogen
Nickel compounds 398 158 240 — 55,826 ♦ Carcinogen
Copper compounds 210 120 90 — 63,301
Cyanide compounds 180 — 180 — 7
Chromium compounds (except for chromite ore mined in the Transvaal Region) 142 113 29 — 15,709
Polycyclic aromatic compounds 55 8 47 — 1,090 ♦ Carcinogen
Diethanolamine 50 50 — — 41,000
Lead compounds 49 38 10 — 998
Tetrachloroethylene 41 41 — — 4 ♦ Carcinogen
1,3-Butadiene 34 34 — — — ♦ Carcinogen
Cresol (mixed isomers) 29 15 14 — 165
2,4-Dimethylphenol 24 5 19 — 157
Mercury compounds 19 19 0 — 10
Benzo[g,h,i]perylene 16 0 16 — 135
Isoprene 5 5 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 3 1 2 — — ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 500,000 — 500,000 — 10,000
Ammonia 159,270 150,170 9,100 — 230
Hydrogen sulfide 28,410 28,410 — — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 26,310 26,310 — — —
Methanol 18,007 18,000 7 — —
Xylene (mixed isomers) 8,510 8,400 30 80 534
Propylene 8,008 8,000 — 8 —
Toluene 4,576 4,400 6 170 323
Hydrogen cyanide 3,000 3,000 — — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,600 2,600 — — —
1,2,4-Trimethylbenzene 2,497 2,380 110 7 193
n-Hexane 2,493 2,400 4 89 —
Carbonyl sulfide 2,100 2,100 — — —
Ethylbenzene 2,023 2,000 5 18 165 ♦ Carcinogen
Carbon disulfide 1,700 1,700 — — —
Benzene 1,676 1,530 6 140 9 ♦ Carcinogen
Ethylene 1,030 1,030 — — —
Cyclohexane 561 540 4 17 —
Naphthalene 423 420 2 1 70 ♦ Carcinogen
Nickel compounds 300 130 170 — 62,635 ♦ Carcinogen
Cyanide compounds 280 — 280 — 6
Phenol 168 154 14 — 31
Copper compounds 145 70 75 — 31,744
Chromium compounds (except for chromite ore mined in the Transvaal Region) 90 78 12 — 71,804
Tetrachloroethylene 76 76 — — 124 ♦ Carcinogen
Polycyclic aromatic compounds 74 8 66 — 606 ♦ Carcinogen
Diethanolamine 71 71 — — 8,201
Lead compounds 38 31 6 — 2,706
1,3-Butadiene 36 36 — — — ♦ Carcinogen
Cresol (mixed isomers) 31 18 13 — 24
2,4-Dimethylphenol 23 5 18 — 69
Benzo[g,h,i]perylene 19 0 19 — 76
Mercury compounds 15 15 0 — 25
Isoprene 15 13 — 2 — ♦ Carcinogen
Molybdenum trioxide 5 5 — — 628 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 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
Ethylene — — — 1,900
Certain glycol ethers — — — 9,943
Propylene — — — 4,400
Hydrogen cyanide — — — 110,000
Cresol (mixed isomers) — — — 35,002
Benzo[g,h,i]perylene — — — 4
Phenol — — — 28,001
Nitrate compounds (water dissociable; reportable only when in aqueous solution) — — — 39,600
Molybdenum trioxide — 4 — —
n-Hexane — — — 180,000
Nickel compounds — 12,815 — —
Polycyclic aromatic compounds — — — 27
Copper compounds — 60,522 — —
Lead compounds — 3 — —
Benzene — — — 35,060
Xylene (mixed isomers) — — — 11,434
Hydrogen sulfide — — — 10,000
Cyanide compounds — — — 100,000
1,2,4-Trimethylbenzene — — — 9,756
Naphthalene — — — 264
Ethylbenzene — — — 2,485
Cyclohexane — — — 1,500
Toluene — — — 26,420
Ammonia — — — 63,000
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) — — — 180,000
Methanol — — — 95,000
Diethanolamine — — — 220,000

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
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Ethylbenzene 50 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Ethylbenzene 1 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Ethylbenzene 17 — — —
DESOTEC
PARKER, AZ
Ethylbenzene — — — 64
SABIN METAL WEST CORP
WILLISTON, ND
Ethylbenzene — — — 21
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Ethylbenzene 1 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Ethylbenzene 1 — — —
AZUSA LAND RECLAMATION CO INC
AZUSA, CA
Polycyclic aromatic compounds 2 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Polycyclic aromatic compounds 39 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Polycyclic aromatic compounds 39 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Polycyclic aromatic compounds 97 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Polycyclic aromatic compounds — — — 3
SIMI VALLEY LANDFILL AND RECYCLING CTR
SIMI VALLEY, CA
Polycyclic aromatic compounds 6 — — —
DESOTEC
PARKER, AZ
Polycyclic aromatic compounds — — — 23
MULTIMETCO INC
STOCKTON, CA
Polycyclic aromatic compounds — — — 1
US ECOLOGY NEVADA, INC
BEATTY, NV
Polycyclic aromatic compounds 18 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Tetrachloroethylene 3 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Tetrachloroethylene 1 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Toluene 39 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Toluene 33 — — —
DESOTEC
PARKER, AZ
Toluene — — — 260
SABIN METAL WEST CORP
WILLISTON, ND
Toluene — — — 160
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Toluene 8 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Toluene 3 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Mercury compounds 2 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Mercury compounds 1 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Mercury compounds 1 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Benzene 2 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Benzene 3 — — —
DESOTEC
PARKER, AZ
Benzene — — — 49
SABIN METAL WEST CORP
WILLISTON, ND
Benzene — — — 11
US ECOLOGY NEVADA, INC
BEATTY, NV
Benzene 1 — — —
DESOTEC
PARKER, AZ
Copper compounds — 12 — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Copper compounds 59 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Copper compounds 450 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Copper compounds 170 — — —
CLEAN HARBORS OF WILMINGTON
WILMINGTON, CA
Copper compounds 1 — — —
SA RECYCLING
SOUTH GATE, CA
Copper compounds — 1,500 — —
SA RECYCLING
LONG BEACH, CA
Copper compounds — 59,000 — —
SABIN METAL WEST CORP
WILLISTON, ND
Copper compounds — 10 — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Copper compounds 740 — — —
SIMI VALLEY LANDFILL AND RECYCLING CTR
SIMI VALLEY, CA
Copper compounds 73 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
1,2,4-Trimethylbenzene 950 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
1,2,4-Trimethylbenzene 4 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
1,2,4-Trimethylbenzene 230 — — —
SABIN METAL WEST CORP
WILLISTON, ND
1,2,4-Trimethylbenzene — — — 56
US ECOLOGY NEVADA, INC
BEATTY, NV
1,2,4-Trimethylbenzene 13 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Cresol (mixed isomers) 190 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Cresol (mixed isomers) 94 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Cresol (mixed isomers) — — — 2
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Benzo[g,h,i]perylene 5 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Benzo[g,h,i]perylene 5 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Benzo[g,h,i]perylene 12 — — —
DESOTEC
PARKER, AZ
Benzo[g,h,i]perylene — — — 3
SABIN METAL WEST CORP
WILLISTON, ND
Benzo[g,h,i]perylene — — — 1
SIMI VALLEY LANDFILL AND RECYCLING CTR
SIMI VALLEY, CA
Benzo[g,h,i]perylene 1 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Benzo[g,h,i]perylene 2 — — —
AZUSA LAND RECLAMATION CO INC
AZUSA, CA
Lead compounds 1 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Lead compounds 18 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Lead compounds 28 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Lead compounds 83 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Lead compounds 64 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Lead compounds — 2 — —
SIMI VALLEY LANDFILL AND RECYCLING CTR
SIMI VALLEY, CA
Lead compounds 12 — — —
DESOTEC
PARKER, AZ
Lead compounds — 1 — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Molybdenum trioxide 130 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Molybdenum trioxide 38 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Molybdenum trioxide — 4 — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Molybdenum trioxide 250 — — —
AZUSA LAND RECLAMATION CO INC
AZUSA, CA
Nickel compounds 5 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Nickel compounds 3,000 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Nickel compounds 800 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Nickel compounds 36 — — —
CLEAN HARBORS OF WILMINGTON
WILMINGTON, CA
Nickel compounds 1 — — —
DESOTEC
PARKER, AZ
Nickel compounds — 15 — —
MULTIMETCO INC
STOCKTON, CA
Nickel compounds — 2 — —
SA RECYCLING
SOUTH GATE, CA
Nickel compounds — 5,600 — —
SA RECYCLING
LONG BEACH, CA
Nickel compounds — 7,100 — —
SABIN METAL WEST CORP
WILLISTON, ND
Nickel compounds — 98 — —
SIMI VALLEY LANDFILL AND RECYCLING CTR
SIMI VALLEY, CA
Nickel compounds 49 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Nickel compounds 15,000 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Naphthalene — — — 1
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Naphthalene 79 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Naphthalene 3 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Naphthalene 220 — — —
DESOTEC
PARKER, AZ
Naphthalene — — — 3
US ECOLOGY NEVADA, INC
BEATTY, NV
Naphthalene 3 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Phenol 100 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Phenol 6 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Phenol 110 — — —
SABIN METAL WEST CORP
WILLISTON, ND
Phenol — — — 1
US ECOLOGY NEVADA, INC
BEATTY, NV
Phenol 3 — — —
CHEMICAL WASTE MANAGEMENT INC KETTLEMAN
KETTLEMAN CITY, CA
Xylene (mixed isomers) 400 — — —
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
Xylene (mixed isomers) 5 — — —
CLEAN HARBORS BUTTONWILLOW LLC
BUTTONWILLOW, CA
Xylene (mixed isomers) 100 — — —
DESOTEC
PARKER, AZ
Xylene (mixed isomers) — — — 94
SABIN METAL WEST CORP
WILLISTON, ND
Xylene (mixed isomers) — — — 340
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Xylene (mixed isomers) 3 — — —
US ECOLOGY NEVADA, INC
BEATTY, NV
Xylene (mixed isomers) 12 — — —

Transfers to Publicly-Owned Treatment Works (POTWs)

Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.

Chemical Transferred (lbs) POTW
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 44,000 HYPERION TREATMENT PLANT, PLAYA DEL REY

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 — — — Open
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Sep 24, 2024 Oct 7, 2024 Resolved
rcra Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators May 23, 2018 Jul 18, 2018 Resolved
rcra Standards for Universal Waste Management: Standards for Large Quantity Handlers May 23, 2018 Jul 18, 2018 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators May 23, 2018 Jul 18, 2018 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements May 23, 2018 Jul 18, 2018 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Jun 22, 2016 Jul 6, 2016 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jun 22, 2016 Nov 1, 2016 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Jun 4, 2009 Jun 26, 2009 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Apr 28, 2008 Apr 13, 2010 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Sep 21, 2006 Jun 29, 2007 Resolved
rcra Standards Applicable to Generators of HW: General Jan 24, 2006 Jan 25, 2006 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Jan 17, 2006 Apr 13, 2010 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Aug 22, 2001 Aug 22, 2001 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring Nov 13, 1998 Apr 7, 1999 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Sep 21, 1994 Jan 20, 1995 Resolved
rcra Standards for Owners and Operators of HW TSDs: General May 20, 1993 Jun 18, 1993 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Apr 13, 1993 Apr 23, 1993 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Sep 30, 1992 Mar 30, 1993 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Oct 29, 1990 Jun 18, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: Closure and Post-Closure Mar 15, 1990 Nov 14, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Mar 15, 1990 Nov 14, 1992 Resolved
rcra Land Disposal Restrictions: General Mar 15, 1990 Nov 14, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Mar 15, 1990 Nov 14, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Jun 21, 1988 Sep 22, 1988 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jan 12, 1988 Feb 4, 1988 Resolved
rcra Standards Applicable to Generators of HW: General Feb 14, 1986 Feb 14, 1991 Resolved

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
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +99,999% Mar 2025 Open
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +2,208% Dec 2024 Open
Oil and grease DMR, Limited - Numeric Violation 52.90 mg/L 20.00 +165% Feb 2024 Open
Oil and grease DMR, Limited - Numeric Violation 4,447.38 kg/d 1,621.23 +174% Feb 2024 Open
TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) DMR, Limited - Numeric Violation 3.20 toxic 2.70 +19% Aug 2023 Open
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +99,999% Jun 2023 Open
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +99,999% Mar 2023 Open
TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) DMR, Limited - Numeric Violation 3.10 toxic 2.70 +15% May 2022 Open
TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) DMR, Limited - Numeric Violation 2.90 toxic 2.70 +7% Feb 2022 Open
TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) DMR, Limited - Numeric Violation 3.20 toxic 2.70 +19% Jan 2022 Open
Coliform, fecal general DMR, Limited - Numeric Violation 930.00 MPN/100mL 400.00 +133% Sep 2021 Open
Enterococci DMR, Limited - Numeric Violation 170.00 MPN/100mL 104.00 +63% Mar 2021 Open
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +99,999% Sep 2020 Open
Enterococci DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 104.00 +2,227% Dec 2019 Open
Enterococci DMR, Limited - Numeric Violation 228.50 MPN/100mL 35.00 +553% Dec 2019 Open
Enterococci DMR, Limited - Numeric Violation 2,400.00 MPN/100mL 104.00 +99,999% Dec 2018 Open
Enterococci DMR, Limited - Numeric Violation 440.00 MPN/100mL 104.00 +323% Mar 2018 Open
Coliform, total general DMR, Limited - Numeric Violation 16,000.00 MPN/100mL 10,000.00 +99,999% Mar 2018 Open
Solids, total suspended DMR, Limited - Numeric Violation 1,582.19 kg/d 1,521.81 +4% Oct 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 76.00 mg/L 45.00 +69% Oct 2017 Open
Coliform, fecal general DMR, Limited - Numeric Violation 1,600.00 MPN/100mL 400.00 +99,999% Sep 2017 Open
Coliform, total general DMR, Limited - Numeric Violation 1,600.00 MPN/100mL 10,000.00 +99,999% Sep 2017 Open
TU Static 20Min Chronic Strongyl. purpuratus DMR, Limited - Numeric Violation 154.00 toxic 81.00 +90% Jun 2017 Open
Phenols DMR, Limited - Numeric Violation 16.57 kg/d 16.34 +1% Dec 2016 Open
TCDD equivalents DMR, Limited - Numeric Violation 0.00 kg/d 0.00 +100% Jun 2016 Open
TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) DMR, Limited - Numeric Violation 14.50 toxic 8.70 +67% Jan 2016 Resolved
Coliform, fecal general DMR, Limited - Numeric Violation 540.00 MPN/100mL 400.00 +35% Mar 2015 Open

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.

State CWA Penalty AO
Clean Water Act · Case CA-N00002678
State CWA Penalty AO
Clean Water Act · Case CA-N00002679
Judicial
· Case 09-2002-0152
Judicial
· Case HQ-2024-0013 · Mar 23, 2026
$1,072,634
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-535 · Nov 8, 2024
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-315 · Sep 27, 2024
State CWA Penalty AO
Clean Water Act · Case CA-CFEA444023 · Nov 24, 2021
$6,000
Judicial
· Case 09-2016-3511 · Mar 7, 2019
$1,930,300
State CWA Penalty AO
Clean Water Act · Case CA-CFEA425861 · Dec 21, 2018
$12,000
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-527 · Jul 26, 2018
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-307 · May 29, 2018
State CWA Non Penalty AO
Clean Water Act · Case CA-CFEA416045 · Dec 1, 2017
State CWA Non Penalty AO
Clean Water Act · Case CA-2017-0189 · Oct 5, 2017
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-524 · Aug 24, 2016
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-525 · Aug 24, 2016
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-305 · Jun 29, 2016
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-304 · Jun 29, 2016
Notice of Violation
Clean Air Act · Case 3600780705 · Jun 17, 2016
State CWA Non Penalty AO
Clean Water Act · Case CA-2013-1016 · Feb 7, 2013
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD008336901-514 · Jun 8, 2009

Other facilities in LOS ANGELES County, CA

LUSK QUALITY MACHINE PRODUCTS
PALMDALE, CA · Manufacturing
REX CREAMERY
COMMERCE, CA · Manufacturing
R & S PROCESSING CO INC
PARAMOUNT, CA · Manufacturing
SPECTRUM PLATING CO
LOS ANGELES, CA · Manufacturing
KRIEGER SPECIALTY PRODUCTS
PICO RIVERA, CA · Manufacturing
GLENAIR, INC.
PALMDALE, CA · Manufacturing
All facilities in CA →