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

VALERO REFINING COMPANY-CALIF

Quick Summary

  • •Released 817,330 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 $1,543,050 in total penalties since records began.
  • •Reports releases of chemicals classified as known or probable carcinogens.
Address
3400 E SECOND STREET
BENICIA, CA 94510
View on map ↗
County
SOLANO County
Industry
Manufacturing
NAICS (North American Industry Classification)
324110
Inspections
19 · last May 10, 2025
Total Penalties
$1,543,050 · last Nov 17, 2022
Registry ID
110033145353

How This Compares

#4 of 996 TRI reporters in CA
#248 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
5
Water (CWA)
Qtrs Non-Compliant
1
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) -23% overall
Year Total Releases (lbs) vs Prior Year
2015 921,565 —
2016 784,811 -15%
2017 817,330 +4%
2018 1,001,170 +22%
2019 775,761 -23%
2020 605,884 -22%
2021 526,781 -13%
2022 512,869 -3%
2023 387,121 -25%
2024 710,680 +84%

2024

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 490,000 — 490,000 — —
Ammonia 57,455 57,005 450 — —
n-Hexane 30,000 30,000 — — —
Carbonyl sulfide 23,000 23,000 — — —
Toluene 19,500 19,500 — — 31
Xylene (mixed isomers) 15,500 15,500 — — 175
Methanol 13,000 13,000 — — —
Hydrogen sulfide 10,200 10,200 — — —
Propylene 9,200 9,200 — — —
Benzene 9,100 9,100 — — 10 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 7,106 7,106 — — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5,200 5,200 — — —
Ethylbenzene 4,780 4,780 — — 31 ♦ Carcinogen
1,2,4-Trimethylbenzene 4,780 4,780 — — 45
Ethylene 3,256 3,256 — — —
Cyclohexane 3,020 3,020 — — —
Carbon disulfide 1,900 1,900 — — 2
Naphthalene 1,572 1,572 — — 120 ♦ Carcinogen
Cumene 799 799 — — 2 ♦ Carcinogen
Hydrogen cyanide 463 430 33 — —
Nickel compounds 330 210 120 — 16,410 ♦ Carcinogen
Phenol 241 91 150 — 2
1,3-Butadiene 99 99 — — — ♦ Carcinogen
Tetrachloroethylene 81 81 — — — ♦ Carcinogen
Lead compounds 44 44 — — 48
Mercury compounds 38 38 0 — 34
Styrene 10 10 — — — ♦ Carcinogen
Cresol (mixed isomers) 3 3 — — —
Phenanthrene 2 2 — — 47
Polycyclic aromatic compounds 1 1 — — — ♦ Carcinogen
Anthracene 0 0 — — 0
Benzo[g,h,i]perylene 0 0 — — 1

2023

Chemical Total (lbs) Air Water Land Off-Site
Anthracene — — — — 12
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 240,000 — 240,000 — —
Ammonia 76,834 76,004 830 — —
Carbonyl sulfide 22,000 22,000 — — —
Methanol 13,000 13,000 — — —
Toluene 6,100 6,100 — — 6,648
Hydrogen sulfide 5,630 5,630 — — —
n-Hexane 3,880 3,880 — — —
Xylene (mixed isomers) 3,800 3,800 — — 177
Cyclohexane 3,110 3,110 — — —
Benzene 2,880 2,880 — — 2 ♦ Carcinogen
Propylene 2,350 2,350 — — —
Carbon disulfide 1,700 1,700 — — 0
Ethylbenzene 1,330 1,330 — — 41 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1,200 1,200 — — —
Ethylene 1,116 1,116 — — —
1,2,4-Trimethylbenzene 800 800 — — 138
Hydrogen cyanide 534 470 64 — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 310 310 — — 30
1,3-Butadiene 250 250 — — — ♦ Carcinogen
Cumene 95 95 — — 1 ♦ Carcinogen
Naphthalene 75 75 — — 211 ♦ Carcinogen
Mercury compounds 46 46 0 — 30
Lead compounds 46 46 — — 73
Tetrachloroethylene 31 31 — — 1 ♦ Carcinogen
Polycyclic aromatic compounds 2 2 — — — ♦ Carcinogen
Cresol (mixed isomers) 2 2 — — —
Benzo[g,h,i]perylene 0 0 — — 2

2022

Chemical Total (lbs) Air Water Land Off-Site
Anthracene — — — — 4
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 335,883 — 335,883 — —
Ammonia 83,075 82,678 397 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 27,395 27,395 — — —
Carbonyl sulfide 14,900 14,900 — — —
Methanol 12,350 12,350 — — —
Hydrogen sulfide 7,879 7,879 — — —
Toluene 5,963 5,963 — — 34
Xylene (mixed isomers) 4,140 4,140 — — 144
n-Hexane 3,907 3,907 — — —
Cyclohexane 3,234 3,234 — — —
Benzene 3,014 3,014 — — 6 ♦ Carcinogen
Zinc compounds 2,274 2,238 36 — 3,943
Propylene 2,064 2,064 — — —
Carbon disulfide 1,564 1,564 — — —
Ethylbenzene 1,363 1,363 — — 28 ♦ Carcinogen
1,2,4-Trimethylbenzene 1,190 1,190 — — 19
Nickel compounds 830 723 107 — 75,284 ♦ Carcinogen
Hydrogen cyanide 459 442 17 — —
Vanadium compounds 422 422 — — 54,126
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 286 286 — — —
1,3-Butadiene 164 164 — — — ♦ Carcinogen
Mercury compounds 147 147 0 — 77
Tetrachloroethylene 132 132 — — 3 ♦ Carcinogen
Cumene 102 102 — — 6 ♦ Carcinogen
Naphthalene 73 73 — — 65 ♦ Carcinogen
Lead compounds 50 50 — — 345
Polycyclic aromatic compounds 7 7 — — 16 ♦ Carcinogen
Cresol (mixed isomers) 2 2 — — 3
Benzo[g,h,i]perylene 0 0 — — 8

2021

Chemical Total (lbs) Air Water Land Off-Site
Benzo[g,h,i]perylene — — — — 1
Anthracene — — — — 0
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 399,305 — 399,305 — —
Ammonia 37,284 36,923 361 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 26,352 26,352 — — 2,837
Carbonyl sulfide 15,147 15,147 — — —
Methanol 12,622 12,622 — — —
Toluene 5,763 5,763 — — 19
Xylene (mixed isomers) 5,264 5,264 — — 15
Hydrogen sulfide 5,078 5,078 — — —
n-Hexane 4,377 4,377 — — —
Cyclohexane 3,373 3,373 — — —
Propylene 3,048 3,048 — — —
Benzene 2,485 2,485 — — 11 ♦ Carcinogen
Ethylbenzene 1,468 1,468 — — 13 ♦ Carcinogen
1,2,4-Trimethylbenzene 1,351 1,351 — — 1
Carbon disulfide 880 880 — — —
Ethylene 777 777 — — —
Nickel compounds 600 490 110 — 63,377 ♦ Carcinogen
Hydrogen cyanide 474 442 32 — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 286 286 — — —
Molybdenum trioxide 258 258 — — 4,084 ♦ Carcinogen
Naphthalene 223 223 — — 58 ♦ Carcinogen
Cumene 106 106 — — 4 ♦ Carcinogen
Vanadium compounds 70 70 — — 19,392
Tetrachloroethylene 64 64 — — — ♦ Carcinogen
1,3-Butadiene 53 53 — — — ♦ Carcinogen
Mercury compounds 43 43 0 — 34
Lead compounds 20 20 — — 327
Polycyclic aromatic compounds 6 6 — — — ♦ Carcinogen
Cresol (mixed isomers) 4 4 — — 1

2020

Chemical Total (lbs) Air Water Land Off-Site
Anthracene — — — — 4
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 456,430 — 456,430 — —
Ammonia 44,120 43,728 392 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 30,073 30,073 — — —
Carbonyl sulfide 20,692 20,692 — — —
Methanol 15,926 15,926 — — —
Toluene 7,552 7,552 — 0 60
Xylene (mixed isomers) 6,440 6,440 — 0 226
Propylene 4,685 4,683 — 2 —
n-Hexane 4,250 4,250 — 1 —
Cyclohexane 3,230 3,230 — 0 —
Benzene 3,014 3,014 — 0 4 ♦ Carcinogen
Ethylene 2,004 2,004 — — —
Ethylbenzene 1,790 1,790 — 0 32 ♦ Carcinogen
1,2,4-Trimethylbenzene 1,756 1,755 — 0 416
Hydrogen sulfide 1,541 1,539 — 2 —
Hydrogen cyanide 519 468 51 — —
Carbon disulfide 506 506 — — —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 303 303 — — —
Nickel compounds 285 171 114 — 23,437 ♦ Carcinogen
Naphthalene 264 261 — 3 132 ♦ Carcinogen
Molybdenum trioxide 137 137 — — 3,788 ♦ Carcinogen
Cumene 129 128 — 0 17 ♦ Carcinogen
Tetrachloroethylene 62 62 — — — ♦ Carcinogen
Polycyclic aromatic compounds 57 0 — 57 — ♦ Carcinogen
1,3-Butadiene 48 48 — — — ♦ Carcinogen
Mercury compounds 46 46 0 — 63
Lead compounds 21 21 — — 572
Cresol (mixed isomers) 3 3 — — —
Benzo[g,h,i]perylene 0 — — 0 0

2019

Chemical Total (lbs) Air Water Land Off-Site
Anthracene — — — — 2
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 612,899 — 612,899 — —
Ammonia 40,244 39,894 350 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,433 25,433 — — 93
Carbonyl sulfide 24,545 24,545 — — —
Propylene 12,018 12,018 — — —
Toluene 11,903 11,903 — — 23
Cyclohexane 10,854 10,854 — — —
Xylene (mixed isomers) 8,102 8,102 — — 23
Hydrogen sulfide 7,425 7,420 5 — —
n-Hexane 5,912 5,912 — — —
Benzene 5,875 5,875 — — 53 ♦ Carcinogen
Ethylene 2,129 2,129 — — —
Ethylbenzene 2,117 2,117 — — 3 ♦ Carcinogen
Nickel compounds 1,556 1,451 105 — 318,636 ♦ Carcinogen
1,2,4-Trimethylbenzene 1,523 1,523 — — 8
Zinc compounds 628 572 56 — 36,811
Hydrogen cyanide 402 368 34 — —
Copper compounds 363 341 22 — 46,225
Chromium compounds (except for chromite ore mined in the Transvaal Region) 323 317 6 — 6,656
1,3-Butadiene 280 280 — — — ♦ Carcinogen
Naphthalene 268 268 — — 24 ♦ Carcinogen
Carbon disulfide 266 266 — — —
Molybdenum trioxide 165 165 — — 2,922 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 155 155 — — —
Cumene 127 127 — — — ♦ Carcinogen
Methanol 80 80 — — —
Tetrachloroethylene 62 62 — — — ♦ Carcinogen
Vanadium compounds 60 60 — — 21,195
Mercury compounds 24 24 0 — 40
Lead compounds 20 20 — — 762
Cresol (mixed isomers) 2 2 — — —
Polycyclic aromatic compounds 1 1 — — — ♦ Carcinogen
Benzo[g,h,i]perylene 0 0 — — 1

2018

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 824,764 — 824,764 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 43,856 43,856 — — —
Ammonia 43,118 39,448 3,670 — —
Carbonyl sulfide 24,382 24,382 — — —
n-Hexane 12,242 12,242 — — —
Xylene (mixed isomers) 10,357 10,357 — — 309
Cyclohexane 10,043 10,043 — — —
Toluene 7,743 7,743 — — 65
Hydrogen sulfide 6,184 6,179 5 — —
Ethylene 4,441 4,441 — — —
Propylene 3,412 3,412 — — —
Benzene 3,011 3,011 — — 2 ♦ Carcinogen
Ethylbenzene 2,337 2,337 — — 34 ♦ Carcinogen
1,2,4-Trimethylbenzene 2,005 2,005 — — 587
Tetrachloroethylene 1,570 1,570 — — — ♦ Carcinogen
Hydrogen cyanide 509 472 37 — —
Nickel compounds 353 201 152 — 27,958 ♦ Carcinogen
Naphthalene 257 257 — — 177 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 199 199 — — —
Cumene 172 172 — — 21 ♦ Carcinogen
Molybdenum trioxide 80 80 — — 1,470 ♦ Carcinogen
1,3-Butadiene 74 74 — — — ♦ Carcinogen
Lead compounds 26 26 — — 448
Mercury compounds 22 22 0 — 68
Ethylene glycol 9 9 — — 441
Cresol (mixed isomers) 2 2 — — —
Polycyclic aromatic compounds 1 1 — — — ♦ Carcinogen
Vanadium compounds 0 0 — — 10,643
Methanol 0 0 — — —
Anthracene 0 0 — — 2
Benzo[g,h,i]perylene 0 0 — — —

2017

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 657,371 — 657,371 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 38,546 38,546 — — —
Ammonia 37,515 34,201 3,314 — —
Carbonyl sulfide 20,270 20,270 — — —
n-Hexane 12,195 12,195 — — —
Xylene (mixed isomers) 9,727 9,727 — — 2,286
Cyclohexane 7,515 7,515 — — —
Toluene 7,251 7,251 — — 276
Hydrogen sulfide 7,010 7,005 5 — —
Propylene 5,219 5,219 — — —
Ethylene 3,688 3,688 — — —
Benzene 2,266 2,266 — — 8 ♦ Carcinogen
Ethylbenzene 1,940 1,940 — — 298 ♦ Carcinogen
1,2,4-Trimethylbenzene 1,765 1,765 — — 3,980
Methanol 1,299 1,299 — — —
Tetrachloroethylene 1,207 1,207 — — — ♦ Carcinogen
Zinc compounds 486 404 82 — 53,008
Hydrogen cyanide 443 394 49 — —
Nickel compounds 390 341 49 — 55,573 ♦ Carcinogen
Naphthalene 289 289 — — 138 ♦ Carcinogen
Cresol (mixed isomers) 203 203 — — —
Cumene 176 176 — — 72 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 166 166 — — —
Molybdenum trioxide 157 157 — — 3,495 ♦ Carcinogen
Polycyclic aromatic compounds 67 67 — — — ♦ Carcinogen
1,3-Butadiene 64 64 — — — ♦ Carcinogen
Vanadium compounds 59 59 — — 22,292
Lead compounds 23 23 — — 2,226
Mercury compounds 20 20 0 — 76
Benzo[g,h,i]perylene 0 0 — — —
Anthracene 0 0 — — 3

2016

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 601,998 — 601,998 — —
Ammonia 45,553 40,528 5,025 — —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,916 25,916 — — —
Xylene (mixed isomers) 21,233 21,233 — — 3,819
Carbonyl sulfide 18,948 18,948 — — —
Toluene 16,085 16,085 — — 722
n-Hexane 10,791 10,791 — — —
Cyclohexane 7,366 7,366 — — —
Tetrachloroethylene 5,922 5,922 — — — ♦ Carcinogen
Benzene 5,232 5,232 — — 61 ♦ Carcinogen
1,2,4-Trimethylbenzene 5,040 5,040 — — 437
Ethylbenzene 4,618 4,618 — — 514 ♦ Carcinogen
Hydrogen sulfide 4,277 4,277 — — —
Propylene 3,878 3,878 — — —
Ethylene 2,726 2,726 — — —
Naphthalene 1,036 1,036 — — 102 ♦ Carcinogen
Zinc compounds 942 893 49 — 127,149
Methanol 644 644 — — —
Copper compounds 572 553 19 — 114,875
Hydrogen cyanide 534 456 78 — —
Nickel compounds 532 483 49 — 90,597 ♦ Carcinogen
Cumene 314 314 — — 18 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 192 192 — — —
Molybdenum trioxide 152 152 — — 4,618 ♦ Carcinogen
1,3-Butadiene 131 131 — — — ♦ Carcinogen
Cresol (mixed isomers) 74 74 — — 0
Polycyclic aromatic compounds 66 66 — — — ♦ Carcinogen
Lead compounds 16 16 — — 1,807
Mercury compounds 14 14 — — 39
Ethylene glycol 9 9 — — 1,286
Benzo[g,h,i]perylene 0 0 — — —
Anthracene 0 0 — — 2

2015

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 777,280 — 777,280 — —
Carbonyl sulfide 20,921 20,921 — — —
Toluene 19,394 19,394 — — 121
Ammonia 18,649 15,390 3,259 — —
Xylene (mixed isomers) 16,904 16,904 — — 761
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 11,317 11,317 — — —
Cyclohexane 8,667 8,667 — — —
Tetrachloroethylene 7,101 7,101 — — — ♦ Carcinogen
Propylene 6,813 6,813 — — —
Benzene 6,685 6,685 — — 65 ♦ Carcinogen
Hydrogen sulfide 5,953 5,953 — — —
Ethylbenzene 4,385 4,385 — — 1,577 ♦ Carcinogen
Nickel compounds 4,334 4,285 49 — 204,939 ♦ Carcinogen
n-Hexane 3,799 3,799 — — 11,948
1,2,4-Trimethylbenzene 3,391 3,391 — — 93
Ethylene 2,275 2,275 — — —
Methanol 1,489 1,489 — — —
Naphthalene 853 853 — — 174 ♦ Carcinogen
Hydrogen cyanide 506 451 55 — —
Molybdenum trioxide 224 224 — — 6,444 ♦ Carcinogen
Cumene 203 203 — — 5 ♦ Carcinogen
1,3-Butadiene 195 195 — — — ♦ Carcinogen
Vanadium compounds 86 86 — — 18,765
Polycyclic aromatic compounds 71 71 — — — ♦ Carcinogen
Cresol (mixed isomers) 44 44 — — 1
Ethylene glycol 11 11 — — 10,780
Lead compounds 7 7 — — 2,391
Mercury compounds 7 6 0 — 111
Cyanide compounds 2 2 — — —
Benzo[g,h,i]perylene 0 0 — — 0
Anthracene 0 0 — — 1

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
Anthracene — — — 0
Cumene — 31 1,300 —
Ethylene — — — 2,700
1,3-Butadiene — — — 9
Carbon disulfide — — — 33,000
n-Hexane — 32,000 2,900 —
Cyclohexane — 68 1,000 290
Phenol — 0 1,500 30,000
Ammonia — — 15,000,000 13,000
Lead compounds — 18 — —
Toluene — 11,005 25,000 6,402
Benzene — 3,006 33,000 6,800
Hydrogen cyanide — — 170,000 —
Xylene (mixed isomers) — 4,861 17,000 6,208
Carbonyl sulfide — — — 250,000
Phenanthrene — 46 — 1
Naphthalene — 123 390 303
1,2,4-Trimethylbenzene — 24 13,000 695
Styrene — — — 11
Mercury compounds — 21 — —
Cresol (mixed isomers) — — 580,000 49,000
Hydrogen sulfide — — — 2,700
Nickel compounds — 830 — —
Propylene — — — 160
Ethylbenzene — 1,013 3,500 641
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) — — — 110,000

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
US ECOLOGY NEVADA
BEATTY, NV
 Nickel compounds 13,000 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Ethylbenzene 0 — — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Nickel compounds 60 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Anthracene — — — 0
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Ethylbenzene — — — 1
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Ethylbenzene — 13 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Ethylbenzene 0 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Ethylbenzene 16 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Ethylbenzene — 0 — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Ethylbenzene 0 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Nickel compounds — 440 — —
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Nickel compounds — 390 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Nickel compounds 420 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Nickel compounds 2,100 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Toluene 3 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Toluene — — — 2
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Toluene — 5 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Toluene 0 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Toluene 18 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Toluene — 0 — —
US ECOLOGY NEVADA
BEATTY, NV
 Toluene 2 — — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Toluene 1 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Mercury compounds 1 — — —
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Mercury compounds — 20 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Mercury compounds 13 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Mercury compounds 0 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Mercury compounds — 1 — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Benzene 0 — — —
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Benzene — 6 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Benzene 0 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Benzene 1 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Benzene 0 — — —
US ECOLOGY NEVADA
BEATTY, NV
 Benzene 2 — — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Benzene 0 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 1,2,4-Trimethylbenzene 2 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 1,2,4-Trimethylbenzene — — — 5
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 1,2,4-Trimethylbenzene — 19 — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 1,2,4-Trimethylbenzene 19 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Lead compounds 14 — — —
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Lead compounds — 18 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Lead compounds 10 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Lead compounds 0 — — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Lead compounds 7 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Naphthalene 4 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Naphthalene — — — 3
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Naphthalene — 110 — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Naphthalene 4 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Phenol 2 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Phenol — 0 — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Xylene (mixed isomers) 3 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Xylene (mixed isomers) — — — 8
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Xylene (mixed isomers) — 61 — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Xylene (mixed isomers) 0 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Xylene (mixed isomers) 100 — — —
ALPHA OMEGA RECYCLING, INC.
LONGVIEW, TX
 Xylene (mixed isomers) — 0 — —
US ECOLOGY NEVADA
BEATTY, NV
 Xylene (mixed isomers) 0 — — —
POTRERO HILLS LANDFILL
SUISUN CITY, CA
 Xylene (mixed isomers) 2 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Cumene 0 — — —
US ECOLOGY TEXAS
ROBSTOWN, TX
 Cumene 1 — — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Phenanthrene 0 — — —
CLEAN HARBORS - ARAGONITE LLC
GRANTSVILLE, UT
 Phenanthrene — — — 1
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
 Phenanthrene — 46 — —
CLEAN HARBORS - BUTTONWILLOW
BUTTONWILLOW, CA
 Carbon disulfide 2 — — —
REPUBLIC SERVICES - KELLER CANYON
PITTSBURG, CA
 Benzo[g,h,i]perylene 1 — — —

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 FRV Apr 3, 2025 — Open
caa FRV Jan 17, 2025 — Open
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Jan 16, 2025 Feb 28, 2025 Resolved
rcra Standards Applicable to Generators of HW: General Jan 16, 2025 Jan 29, 2025 Resolved
caa FRV Mar 12, 2024 — Open
caa FRV Mar 7, 2022 — Open
caa FRV Oct 11, 2021 — Open
caa FRV Oct 11, 2021 — Open
caa FRV Oct 6, 2021 — Open
caa FRV Jun 17, 2021 — Open
caa FRV Jun 17, 2021 — Open
caa FRV Dec 1, 2020 — Open
caa FRV Dec 1, 2020 — Open
caa FRV Nov 17, 2020 — Open
caa FRV Mar 16, 2020 — Open
caa FRV Mar 16, 2020 — Open
caa FRV Feb 20, 2020 — Open
caa FRV Feb 20, 2020 — Open
caa FRV Oct 24, 2019 — Open
caa FRV Oct 24, 2019 — Open
caa FRV Oct 24, 2019 — Open
caa HPV Oct 24, 2019 May 3, 2022 Resolved
caa FRV Oct 24, 2019 — Open
caa FRV Jun 13, 2019 — Open
caa FRV Jun 13, 2019 — Open
caa HPV Jun 13, 2019 May 3, 2022 Resolved
caa HPV Jun 13, 2019 May 3, 2022 Resolved
caa FRV Feb 25, 2019 — Open
caa FRV Nov 29, 2018 — Open
caa HPV Nov 29, 2018 May 3, 2022 Resolved
caa HPV Nov 5, 2018 Nov 5, 2018 Resolved
caa HPV Nov 5, 2018 Nov 5, 2018 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Oct 31, 2018 — Open
caa HPV Jul 25, 2018 May 3, 2022 Resolved
caa FRV Jul 25, 2018 — Open
caa HPV Jun 7, 2017 May 3, 2022 Resolved
caa HPV May 23, 2017 May 3, 2022 Resolved
caa HPV May 23, 2017 May 3, 2022 Resolved
caa HPV May 23, 2017 May 3, 2022 Resolved
caa HPV May 23, 2017 May 3, 2022 Resolved
caa HPV May 11, 2017 May 3, 2022 Resolved
caa HPV May 9, 2017 May 3, 2022 Resolved
caa HPV May 8, 2017 May 3, 2022 Resolved
caa HPV May 8, 2017 May 3, 2022 Resolved
caa HPV May 8, 2017 May 3, 2022 Resolved
caa HPV May 8, 2017 May 3, 2022 Resolved
caa HPV May 8, 2017 May 8, 2017 Resolved
caa HPV May 8, 2017 May 3, 2022 Resolved
caa FRV Jul 8, 2016 — Open
caa FRV Jul 5, 2016 — 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
Oil and grease DMR, Limited - Numeric Violation 8.70 mg/L 8.00 +9% Mar 2024 Open
TU Static 48Hr Chronic Haliotis rufescens DMR, Limited - Numeric Violation 14.90 toxic 10.00 +49% Mar 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 24.40 mg/L 21.00 +16% Feb 2024 Open
Oil and grease DMR, Limited - Numeric Violation 8.63 mg/L 8.00 +8% Dec 2022 Open
Oil and grease DMR, Limited - Numeric Violation 8.95 mg/L 8.00 +12% Dec 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.00 mg/L 21.00 +81% Mar 2022 Resolved
Oil and grease DMR, Limited - Numeric Violation 11.30 mg/L 8.00 +41% Mar 2022 Open
Oil and grease DMR, Limited - Numeric Violation 9.23 mg/L 8.00 +15% Mar 2022 Open
Oil and grease DMR, Limited - Numeric Violation 10.40 mg/L 8.00 +30% Mar 2022 Open
Oil and grease DMR, Limited - Numeric Violation 10.60 mg/L 8.00 +33% Mar 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.40 mg/L 33.00 +16% Mar 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.40 mg/L 33.00 +16% Jan 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.40 mg/L 21.00 +83% Jan 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 25.00 mg/L 21.00 +19% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 58.00 mg/L 21.00 +176% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 57.90 mg/L 21.00 +176% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.40 mg/L 33.00 +16% Dec 2021 Open
Oil and grease DMR, Limited - Numeric Violation 16.80 mg/L 15.00 +12% Dec 2021 Open
Oil and grease DMR, Limited - Numeric Violation 16.80 mg/L 15.00 +12% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 106.00 mg/L 33.00 +221% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 38.40 mg/L 33.00 +16% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 25.00 mg/L 21.00 +19% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 103.20 mg/L 33.00 +213% Dec 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 22.50 mg/L 21.00 +7% Oct 2021 Open
Oil and grease DMR, Limited - Numeric Violation 9.10 mg/L 8.00 +14% Oct 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 88.20 mg/L 33.00 +167% Oct 2021 Open
Oil and grease DMR, Limited - Numeric Violation 8.90 mg/L 8.00 +11% May 2019 Open
Solids, total suspended DMR, Limited - Numeric Violation 50.00 mg/L 33.00 +52% Jan 2018 Open
Solids, total suspended DMR, Limited - Numeric Violation 46.00 mg/L 33.00 +39% Jan 2018 Open
Mercury, total recoverable DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +67% Jan 2018 Open
Solids, total suspended DMR, Limited - Numeric Violation 44.00 mg/L 21.00 +110% Jan 2018 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 50.00 mg/L 21.00 +138% Jan 2018 Open
Mercury, total recoverable DMR, Limited - Numeric Violation 0.00 kg/d 0.00 +16% Dec 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 66.00 mg/L 21.00 +214% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 66.00 mg/L 33.00 +100% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 259.00 mg/L 21.00 +1,133% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 30.00 mg/L 21.00 +43% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 409.00 mg/L 33.00 +1,139% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 259.00 mg/L 33.00 +685% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 409.00 mg/L 21.00 +1,848% Nov 2017 Open
Solids, total suspended DMR, Limited - Numeric Violation 22.00 mg/L 21.00 +5% Nov 2017 Open
Oil and grease DMR, Limited - Numeric Violation 8.50 mg/L 8.00 +6% Mar 2017 Open
Chromium, total recoverable DMR, Limited - Numeric Violation 601.00 mg/L 0.60 +100,067% Jan 2017 Open
Mercury, total recoverable DMR, Limited - Numeric Violation 0.00 kg/d 0.00 +35% Dec 2016 Open
Selenium, total recoverable DMR, Limited - Numeric Violation 0.04 mg/L 0.04 +2% Jan 2016 Open
Selenium, total recoverable DMR, Limited - Numeric Violation 0.11 mg/L 0.05 +120% Jan 2016 Open
Solids, total suspended DMR, Limited - Numeric Violation 2,390.71 kg/d 1,089.60 +119% Jan 2016 Open
Chromium, total recoverable DMR, Limited - Numeric Violation 722.00 mg/L 0.60 +120,233% Jan 2016 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-N00003490
Notice of Violation
Clean Air Act · Case 3604432382 · Apr 3, 2025
INSPECTION REPORT w/VIOLATIONS (MAILED DATE)
RCRA (Hazardous Waste) · Case RCRA-CAD063001770-509 · Feb 10, 2025
Notice of Violation
Clean Air Act · Case 3604376540 · Jan 17, 2025
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CAD063001770-303 · Jan 16, 2025
Notice of Violation
Clean Air Act · Case 3603965993 · Mar 12, 2024
Administrative - Formal
· Case 09-2023-3502 · Mar 30, 2023
$1,224,550
State CWA Penalty AO
Clean Water Act · Case CA-CFEA448308 · Nov 17, 2022
$12,000
Administrative - Formal
Clean Air Act · Case 3603295284 · May 3, 2022
$10,000
Administrative - Formal
Clean Air Act · Case 3602136126 · May 3, 2022
$3,000
Administrative - Formal
Clean Air Act · Case 3602138644 · May 3, 2022
$34,000
Administrative - Formal
Clean Air Act · Case 3602138631 · May 3, 2022
$3,200
Administrative - Formal
Clean Air Act · Case 3602136209 · May 3, 2022
$28,000
Administrative - Formal
Clean Air Act · Case 3602138623 · May 3, 2022
$10,000
Administrative - Formal
Clean Air Act · Case 3603295291 · May 3, 2022
$5,000
Administrative - Formal
Clean Air Act · Case 3602136095 · May 3, 2022
$28,000
Administrative - Formal
Clean Air Act · Case 3602138639 · May 3, 2022
$3,000
Administrative - Formal
Clean Air Act · Case 3603307164 · May 3, 2022
$12,500
Administrative - Formal
Clean Air Act · Case 3603307170 · May 3, 2022
$18,000
Administrative - Formal
Clean Air Act · Case 3603295294 · May 3, 2022
$17,000

Other facilities in SOLANO County, CA

VOLKSWAGEN OF VACAVILLE
VACAVILLE, CA
INSULFOAM LLC
DIXON, CA · Manufacturing
CEMEX CONSTRUCTION MATERIALS PACIFIC LLC
FAIRFIELD, CA · Manufacturing
HURLEY DIESEL AND POWER, BAYSHORE SHOP
BENICIA, CA · Other Services
EASTERLY WASTEWATER TREATMENT PLANT
ELMIRA, CA
DELTA CONSERVATION CAMP-WELL 03 - TREATED
SUISUN CITY, CA
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