Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
PONCA CITY REFINERY
Quick Summary
- •Released 341,333 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 $32,550 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1000 S. PINE
PONCA CITY, OK 74602
View on map ↗ - County
- KAY County
- Industry
- Transportation and Warehousing
- NAICS (North American Industry Classification)
- 486110
- Inspections
- 10 · last Jun 26, 2025
- Total Penalties
- $32,550 · last Jun 14, 2024
- Registry ID
- 110015682830
How This Compares
#11
of 314 TRI reporters in OK
#1
of 47 TRI reporters in Transportation and Warehousing
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.
6
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
3
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
-42% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 277,001 | — |
| 2016 | 272,875 | -1% |
| 2017 | 341,333 | +25% |
| 2018 | 469,409 | +38% |
| 2019 | 125,942 | -73% |
| 2020 | 291,153 | +131% |
| 2021 | 218,739 | -25% |
| 2022 | 274,520 | +26% |
| 2023 | 142,051 | -48% |
| 2024 | 160,541 | +13% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Ethylene glycol | — | — | — | — | — | |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Aluminum oxide (fibrous forms) | — | — | — | — | — | |
| Mercury compounds | — | — | — | — | 3 | |
| Bromotrifluoromethane (Halon 1301) | — | — | — | — | — | |
| Hydrogen cyanide | 98,892 | 98,892 | — | — | — | |
| Hydrogen sulfide | 15,342 | 14,644 | 698 | — | 104 | |
| Ammonia | 11,949 | 11,064 | 772 | 113 | — | |
| Ethylbenzene | 8,959 | 8,958 | — | 1 | 554 | ♦ Carcinogen |
| Naphthalene | 7,108 | 7,108 | — | — | 13 | ♦ Carcinogen |
| Methanol | 6,830 | 6,830 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,145 | 2,145 | — | — | — | |
| Phenol | 2,104 | 698 | 1,379 | 28 | — | |
| 1,2,4-Trimethylbenzene | 1,695 | 1,695 | — | — | 10 | |
| n-Hexane | 1,459 | 1,459 | — | — | — | |
| Toluene | 1,339 | 1,338 | 1 | — | 13 | |
| Xylene (mixed isomers) | 1,111 | 1,110 | 1 | — | 2 | |
| Benzene | 658 | 658 | — | — | 3 | ♦ Carcinogen |
| Cyclohexane | 509 | 509 | — | — | — | |
| Cumene | 159 | 159 | — | — | — | ♦ Carcinogen |
| Nickel compounds | 104 | 78 | — | 26 | 37,564 | ♦ Carcinogen |
| Zinc compounds | 58 | — | 58 | — | — | |
| Tetrachloroethylene | 25 | 25 | — | — | 432 | ♦ Carcinogen |
| Propylene | 22 | 22 | — | — | — | |
| Anthracene | 17 | 17 | — | — | — | |
| Polycyclic aromatic compounds | 17 | 14 | — | 2 | 474 | ♦ Carcinogen |
| Hydrogen fluoride | 13 | 13 | — | — | — | |
| Cresol (mixed isomers) | 11 | 11 | — | — | — | |
| Biphenyl | 7 | 7 | — | — | — | |
| Phenanthrene | 4 | 4 | — | — | 383 | |
| Certain glycol ethers | 3 | 3 | — | — | — | |
| Lead compounds | 1 | — | 1 | — | 6 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Bromotrifluoromethane (Halon 1301) | — | — | — | — | — | |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Molybdenum trioxide | — | — | — | — | 1,313 | ♦ Carcinogen |
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen fluoride | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Mercury compounds | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Hydrogen cyanide | 68,942 | 68,942 | — | — | — | |
| Hydrogen sulfide | 15,533 | 15,052 | 481 | — | 131 | |
| Benzene | 15,522 | 15,522 | — | — | 743 | ♦ Carcinogen |
| Ammonia | 12,183 | 10,840 | 1,050 | 293 | — | |
| Ethylbenzene | 9,089 | 9,088 | — | 1 | 5,619 | ♦ Carcinogen |
| Methanol | 6,591 | 6,591 | — | — | 2,304 | |
| Ethylene | 4,306 | 4,306 | — | — | — | |
| Zinc compounds | 2,705 | 4 | 1,013 | 1,688 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,991 | 1,991 | — | — | — | |
| n-Hexane | 1,430 | 1,430 | — | — | — | |
| Phenol | 1,335 | 839 | 468 | 28 | — | |
| Toluene | 641 | 640 | 1 | — | 2 | |
| Xylene (mixed isomers) | 611 | 610 | 1 | — | 5 | |
| Cyclohexane | 543 | 543 | — | — | — | |
| Cresol (mixed isomers) | 399 | 399 | — | — | 11,110 | |
| 1,2,4-Trimethylbenzene | 96 | 96 | — | — | — | |
| Cumene | 48 | 48 | — | — | — | ♦ Carcinogen |
| Propylene | 23 | 23 | — | — | — | |
| Anthracene | 20 | 20 | — | — | — | |
| Tetrachloroethylene | 17 | 17 | — | — | 1,420 | ♦ Carcinogen |
| Naphthalene | 10 | 10 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 7 | 7 | — | — | 203 | |
| Biphenyl | 6 | 6 | — | — | — | |
| Polycyclic aromatic compounds | 2 | 1 | 0 | — | — | ♦ Carcinogen |
| Lead compounds | 1 | — | 1 | — | 1 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | — | — | — | — | — | |
| Bromotrifluoromethane (Halon 1301) | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Hydrogen cyanide | 70,364 | 70,364 | — | — | — | |
| n-Hexane | 62,643 | 62,643 | — | — | 23 | |
| Toluene | 42,493 | 42,493 | — | — | 382 | |
| Xylene (mixed isomers) | 27,980 | 27,979 | — | 1 | 472 | |
| Benzene | 13,061 | 13,061 | — | — | 30 | ♦ Carcinogen |
| Ammonia | 12,583 | 11,077 | 1,369 | 137 | 7 | |
| Propylene | 9,471 | 9,471 | — | — | — | |
| Methanol | 6,943 | 6,943 | — | — | — | |
| Hydrogen sulfide | 6,824 | 6,344 | 480 | — | 9 | |
| Naphthalene | 5,941 | 5,941 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 3,794 | 3,794 | — | — | — | |
| Ethylene | 3,614 | 3,614 | — | — | — | |
| Zinc compounds | 3,448 | 756 | 1,027 | 1,664 | 5,648 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,049 | 2,049 | — | — | — | |
| Styrene | 502 | 502 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 483 | 483 | — | — | — | |
| Biphenyl | 482 | 482 | — | — | — | |
| Ethylbenzene | 420 | 420 | — | — | 1 | ♦ Carcinogen |
| Cumene | 347 | 347 | — | — | — | ♦ Carcinogen |
| Cresol (mixed isomers) | 321 | 321 | — | — | 28 | |
| Hydrogen fluoride | 219 | 219 | — | — | — | |
| Lead compounds | 203 | 20 | — | 184 | 23,453 | |
| Nickel compounds | 135 | 106 | — | 28 | 24,331 | ♦ Carcinogen |
| Anthracene | 52 | 52 | — | — | — | |
| Polycyclic aromatic compounds | 52 | 52 | — | — | — | ♦ Carcinogen |
| 1,3-Butadiene | 42 | 42 | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 17 | 17 | — | — | — | ♦ Carcinogen |
| Cobalt compounds | 14 | 10 | — | 4 | 7,444 | ♦ Carcinogen |
| Mercury compounds | 10 | 5 | — | 5 | — | |
| Phenanthrene | 7 | 7 | — | — | 257 | |
| Benzo[g,h,i]perylene | 2 | 2 | — | — | — | |
| Ethylene glycol | 2 | 2 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Certain glycol ethers | — | — | — | — | — | |
| Bromotrifluoromethane (Halon 1301) | — | — | — | — | — | |
| Anthracene | — | — | — | — | — | |
| Phenol | — | — | — | — | — | |
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | — | — | — | — | 7,500 | ♦ Carcinogen |
| Hydrogen cyanide | 65,552 | 65,552 | — | — | — | |
| Xylene (mixed isomers) | 46,920 | 46,912 | — | 8 | 302 | |
| Benzene | 28,834 | 28,834 | — | — | 225 | ♦ Carcinogen |
| Ammonia | 16,765 | 10,911 | 2,784 | 3,070 | — | |
| Naphthalene | 11,701 | 11,701 | — | — | — | ♦ Carcinogen |
| Propylene | 9,926 | 9,926 | — | — | — | |
| Ethylbenzene | 9,800 | 9,800 | — | — | 62 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 8,033 | 8,033 | — | — | — | |
| Methanol | 6,922 | 6,922 | — | — | — | |
| Hydrogen sulfide | 5,618 | 5,082 | 536 | — | — | |
| n-Hexane | 2,020 | 2,020 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,959 | 1,959 | — | — | — | |
| Lead compounds | 1,308 | 20 | — | 1,288 | 6,605 | |
| Ethylene | 902 | 902 | — | — | — | |
| Toluene | 813 | 813 | — | — | 22 | |
| Cyclohexane | 767 | 767 | — | — | — | |
| Cresol (mixed isomers) | 245 | 245 | — | — | 11 | |
| Hydrogen fluoride | 219 | 219 | — | — | — | |
| Cobalt compounds | 136 | 85 | — | 51 | 67,937 | ♦ Carcinogen |
| Zinc compounds | 130 | — | 130 | — | — | |
| Cumene | 60 | 60 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 43 | 43 | — | — | — | |
| 1,3-Butadiene | 40 | 40 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 9 | 5 | — | 4 | — | |
| Phenanthrene | 8 | 8 | — | — | 653 | |
| Biphenyl | 6 | 6 | — | — | — | |
| Benzo[g,h,i]perylene | 2 | 2 | — | — | — | |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Tetrachloroethylene | — | — | — | — | 9 | ♦ Carcinogen |
| Bromotrifluoromethane (Halon 1301) | — | — | — | — | — | |
| Hydrogen cyanide | 65,082 | 65,082 | — | — | — | |
| n-Hexane | 64,489 | 64,489 | — | — | — | |
| Xylene (mixed isomers) | 39,234 | 39,234 | — | 0 | 114 | |
| Benzene | 26,335 | 26,335 | — | — | 10 | ♦ Carcinogen |
| Cyclohexane | 23,283 | 23,283 | — | — | — | |
| Hydrogen sulfide | 20,668 | 20,024 | 644 | — | — | |
| Ammonia | 13,015 | 10,632 | 1,610 | 773 | — | |
| Propylene | 12,430 | 12,430 | — | — | — | |
| Naphthalene | 7,275 | 7,275 | — | — | 2 | ♦ Carcinogen |
| Methanol | 6,879 | 6,879 | — | — | — | |
| Zinc compounds | 4,903 | 680 | 1,363 | 2,860 | 86,594 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,937 | 1,937 | — | — | — | |
| Ethylene | 1,616 | 1,616 | — | — | — | |
| Styrene | 811 | 811 | — | — | — | ♦ Carcinogen |
| Toluene | 720 | 720 | — | — | 9 | |
| Biphenyl | 562 | 562 | — | — | — | |
| Lead compounds | 517 | 20 | — | 497 | 63,904 | |
| Cresol (mixed isomers) | 336 | 336 | — | — | 50 | |
| Hydrogen fluoride | 219 | 219 | — | — | — | |
| Ethylbenzene | 181 | 181 | — | — | 2 | ♦ Carcinogen |
| Nickel compounds | 153 | 86 | — | 67 | — | ♦ Carcinogen |
| 1,3-Butadiene | 146 | 146 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 136 | 136 | — | — | 1 | |
| Polycyclic aromatic compounds | 58 | 58 | — | — | 38 | ♦ Carcinogen |
| Anthracene | 52 | 52 | — | — | 6 | |
| Ethylene glycol | 43 | 43 | — | — | — | |
| Cumene | 38 | 38 | — | — | — | ♦ Carcinogen |
| Cobalt compounds | 18 | 4 | — | 14 | — | ♦ Carcinogen |
| Mercury compounds | 7 | 5 | — | 2 | 0 | |
| Phenanthrene | 7 | 7 | — | — | 804 | |
| Benzo[g,h,i]perylene | 3 | 3 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Mercury compounds | — | — | — | — | — | |
| Phenol | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Methanol | — | — | — | — | — | |
| Anthracene | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Hydrogen cyanide | 75,877 | 75,877 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 31,154 | — | 31,114 | 40 | — | |
| n-Hexane | 7,250 | 7,250 | — | — | — | |
| Cyclohexane | 2,813 | 2,813 | — | — | — | |
| Benzene | 2,450 | 2,450 | — | — | 1 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,259 | 2,259 | — | — | — | |
| Toluene | 1,551 | 1,550 | 1 | — | 2 | |
| Xylene (mixed isomers) | 951 | 950 | 1 | — | 48 | |
| Cumene | 854 | 854 | — | — | 1 | ♦ Carcinogen |
| Zinc compounds | 280 | — | 280 | — | — | |
| Ethylbenzene | 278 | 278 | — | — | 8 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 156 | 156 | — | — | 1 | |
| Propylene | 23 | 23 | — | — | — | |
| Naphthalene | 19 | 18 | 1 | — | 1 | ♦ Carcinogen |
| Cobalt compounds | 17 | 12 | — | 5 | 1,354 | ♦ Carcinogen |
| Biphenyl | 7 | 7 | — | — | — | |
| Polycyclic aromatic compounds | 2 | 2 | 0 | — | — | ♦ Carcinogen |
| Lead compounds | 1 | — | 1 | — | — | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Mercury compounds | — | — | — | — | — | |
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | — | — | — | — | 38 | ♦ Carcinogen |
| Toluene | 86,917 | 86,917 | — | — | 2,523 | |
| Hydrogen cyanide | 81,882 | 81,882 | — | — | — | |
| n-Hexane | 72,401 | 72,401 | — | — | 251 | |
| Xylene (mixed isomers) | 58,547 | 58,547 | — | — | 4,356 | |
| Propylene | 40,761 | 40,761 | — | — | — | |
| Benzene | 34,757 | 34,757 | — | — | 574 | ♦ Carcinogen |
| Cyclohexane | 27,679 | 27,679 | — | — | 369 | |
| Ethylbenzene | 16,763 | 16,763 | — | — | 747 | ♦ Carcinogen |
| Ammonia | 15,557 | 14,301 | 1,054 | 202 | — | |
| Hydrogen sulfide | 8,501 | 8,501 | — | — | 101 | |
| Methanol | 7,812 | 7,812 | — | — | — | |
| Ethylene | 6,561 | 6,561 | — | — | — | |
| Zinc compounds | 4,113 | 770 | 1,451 | 1,892 | 10,508 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,422 | 2,422 | — | — | — | |
| Phenol | 1,308 | 1,308 | — | — | — | |
| Cumene | 973 | 973 | — | — | — | ♦ Carcinogen |
| 1,3-Butadiene | 610 | 610 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 563 | 563 | — | — | 263 | |
| 1,2,4-Trimethylbenzene | 480 | 480 | — | — | 510 | |
| Hydrogen fluoride | 260 | 260 | — | — | — | |
| Lead compounds | 181 | 23 | — | 158 | 5,628 | |
| Copper compounds | 130 | 18 | — | 112 | 32,460 | |
| Polycyclic aromatic compounds | 88 | 88 | — | — | 106 | ♦ Carcinogen |
| Anthracene | 58 | 58 | — | — | 13 | |
| Molybdenum trioxide | 43 | 43 | — | — | — | ♦ Carcinogen |
| Naphthalene | 27 | 27 | — | — | 57 | ♦ Carcinogen |
| Cobalt compounds | 8 | 4 | — | 4 | 2 | ♦ Carcinogen |
| Biphenyl | 7 | 7 | — | — | 37 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 1 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Anthracene | — | — | — | — | — | |
| Phenol | — | — | — | — | — | |
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | — | — | — | — | 38 | ♦ Carcinogen |
| Mercury compounds | — | — | — | — | — | |
| Hydrogen cyanide | 76,499 | 76,499 | — | — | — | |
| n-Hexane | 63,792 | 63,792 | — | — | 34 | |
| Xylene (mixed isomers) | 45,673 | 45,673 | — | — | 114 | |
| Benzene | 35,957 | 35,957 | — | — | 443 | ♦ Carcinogen |
| Ammonia | 27,156 | 26,111 | 1,028 | 17 | — | |
| Propylene | 24,549 | 24,549 | — | — | — | |
| Cyclohexane | 24,300 | 24,300 | — | — | — | |
| Ethylbenzene | 10,925 | 10,925 | — | — | 691 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 10,063 | 10,063 | — | — | — | |
| Methanol | 6,873 | 6,873 | — | — | 30 | |
| Ethylene | 3,848 | 3,848 | — | — | — | |
| Zinc compounds | 3,551 | 719 | 1,317 | 1,515 | 10,832 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,205 | 2,205 | — | — | — | |
| Hydrogen sulfide | 1,899 | 1,899 | — | — | 14 | |
| Toluene | 1,690 | 1,690 | — | — | 884 | |
| Biphenyl | 849 | 849 | — | — | — | |
| Phenanthrene | 586 | 586 | — | — | — | |
| 1,3-Butadiene | 355 | 355 | — | — | — | ♦ Carcinogen |
| Hydrogen fluoride | 258 | 258 | — | — | — | |
| Copper compounds | 108 | 18 | — | 90 | 25,500 | |
| Cumene | 68 | 68 | — | — | 86 | ♦ Carcinogen |
| Ethylene glycol | 56 | 56 | — | — | — | |
| Molybdenum trioxide | 36 | 36 | — | — | — | ♦ Carcinogen |
| Naphthalene | 25 | 25 | — | — | 34 | ♦ Carcinogen |
| Cobalt compounds | 7 | 3 | — | 4 | 22 | ♦ Carcinogen |
| Certain glycol ethers | 4 | 4 | — | — | — | |
| Polycyclic aromatic compounds | 1 | 1 | — | — | 4 | ♦ Carcinogen |
| Lead compounds | 0 | — | 0 | — | 18 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 0 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | — | — | — | — | 1 | |
| Ethylene glycol | — | — | — | — | — | |
| Phenanthrene | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | — | |
| Tetrachloroethylene | — | — | — | — | — | ♦ Carcinogen |
| Mercury compounds | — | — | — | — | — | |
| Nickel compounds | — | — | — | — | — | ♦ Carcinogen |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Certain glycol ethers | — | — | — | — | — | |
| Hydrogen cyanide | 79,500 | 79,500 | — | — | — | |
| Toluene | 77,500 | 77,500 | — | — | 944 | |
| Benzene | 40,400 | 40,400 | — | — | 752 | ♦ Carcinogen |
| Ammonia | 33,920 | 32,730 | 970 | 220 | — | |
| n-Hexane | 7,282 | 7,282 | — | — | — | |
| Hydrogen sulfide | 7,235 | 7,235 | — | — | 24 | |
| Methanol | 7,160 | 7,160 | — | — | 8 | |
| Ethylene | 5,690 | 5,690 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 3,634 | — | 3,634 | — | — | |
| Cyclohexane | 2,808 | 2,808 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,316 | 2,316 | — | — | — | |
| Xylene (mixed isomers) | 1,150 | 1,150 | — | — | 1 | |
| Lead compounds | 1,137 | 17 | — | 1,120 | 5,013 | |
| Biphenyl | 840 | 840 | — | — | — | |
| 1,2,4-Trimethylbenzene | 490 | 490 | — | — | — | |
| 1,3-Butadiene | 460 | 460 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 328 | 328 | — | — | — | ♦ Carcinogen |
| Copper compounds | 312 | 16 | — | 296 | 26,168 | |
| Hydrogen fluoride | 250 | 250 | — | — | — | |
| Molybdenum trioxide | 216 | 216 | — | — | — | ♦ Carcinogen |
| Cobalt compounds | 86 | 45 | — | 41 | 47,000 | ♦ Carcinogen |
| Cumene | 72 | 72 | — | — | — | ♦ Carcinogen |
| Anthracene | 52 | 52 | — | — | — | |
| Naphthalene | 23 | 23 | — | — | — | ♦ Carcinogen |
| Propylene | 12 | 12 | — | — | — | |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenanthrene | — | — | — | — | 7 | |
| Styrene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene glycol | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Hydrogen cyanide | 72,000 | 72,000 | — | — | — | |
| Xylene (mixed isomers) | 59,000 | 59,000 | — | — | 78 | |
| Benzene | 36,000 | 36,000 | — | — | 5 | ♦ Carcinogen |
| Ammonia | 34,727 | 33,500 | 1,200 | 27 | — | |
| Ethylbenzene | 14,000 | 14,000 | — | — | 14 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 13,200 | 13,200 | — | — | — | |
| Ethylene | 9,960 | 9,960 | — | — | — | |
| Hydrogen sulfide | 8,400 | 8,400 | — | — | — | |
| n-Hexane | 7,262 | 7,262 | — | — | 290 | |
| Naphthalene | 5,400 | 5,400 | — | — | — | ♦ Carcinogen |
| Zinc compounds | 4,901 | 797 | 1,100 | 3,004 | 9,300 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,600 | 3,600 | — | — | — | |
| Cyclohexane | 2,810 | 2,810 | — | — | 170 | |
| Toluene | 1,610 | 1,610 | — | — | 250 | |
| Phenol | 1,296 | 1,280 | 16 | — | — | |
| Biphenyl | 958 | 958 | — | — | — | |
| Cumene | 830 | 830 | — | — | — | ♦ Carcinogen |
| 1,3-Butadiene | 470 | 470 | — | — | — | ♦ Carcinogen |
| Hydrogen fluoride | 190 | 190 | — | — | — | |
| Nickel compounds | 121 | 121 | — | — | 29,100 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 103 | 103 | — | — | 18 | ♦ Carcinogen |
| Anthracene | 67 | 67 | — | — | — | |
| Molybdenum trioxide | 67 | 67 | — | — | — | ♦ Carcinogen |
| Propylene | 12 | 12 | — | — | — | |
| Mercury compounds | 9 | 7 | — | 2 | — | |
| Benzo[g,h,i]perylene | 5 | 5 | — | — | — | |
| Tetrachloroethylene | 2 | 2 | — | — | — | ♦ Carcinogen |
| Methanol | 1 | 1 | — | — | — | |
| Lead compounds | 0 | 0 | — | — | — |
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 | — | — | — | 50,503 |
| Phenanthrene | — | 3 | 299 | 1,133 |
| Hydrogen sulfide | — | — | 104 | 99,518 |
| Phenol | — | — | — | 152,121 |
| Methanol | — | — | — | 23,469 |
| Ammonia | — | — | — | 321,521 |
| Cyclohexane | — | — | — | 2,428 |
| Tetrachloroethylene | — | — | 8 | — |
| n-Hexane | — | — | 259 | 73,120 |
| 1,2,4-Trimethylbenzene | — | — | — | 120 |
| Xylene (mixed isomers) | — | 44 | 544 | 11,606 |
| Toluene | — | 8 | 277 | 157,031 |
| Cumene | — | — | — | 5,561 |
| Ethylbenzene | — | — | — | 140 |
| Naphthalene | — | 5 | 4 | 935 |
| Benzene | — | 8 | 259 | 148,193 |
| Cresol (mixed isomers) | — | 4 | 2 | — |
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 |
|---|---|---|---|---|---|
|
AARON OIL COMPANY LLC
SARALAND, AL
|
Mercury compounds | 3 | — | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
1,2,4-Trimethylbenzene | — | 4 | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
1,2,4-Trimethylbenzene | 1 | — | — | — |
|
US ECOLOGY TULSA, INC
TULSA, OK
|
Cyclohexane | 69 | — | — | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
Hydrogen sulfide | — | — | 104 | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Nickel compounds | — | 37,505 | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Nickel compounds | — | 46 | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Nickel compounds | 3 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Ethylbenzene | — | — | 1 | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Ethylbenzene | — | 2 | — | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
Ethylbenzene | — | — | 259 | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Ethylbenzene | — | — | 4 | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Ethylbenzene | — | 1 | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Ethylbenzene | 50 | — | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Ethylbenzene | 235 | — | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Ethylbenzene | 0 | — | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Xylene (mixed isomers) | 904 | — | — | — |
|
VLS RECOVERY SERVICES
HOCKLEY, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Xylene (mixed isomers) | — | 7 | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Xylene (mixed isomers) | — | — | 1 | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
Xylene (mixed isomers) | — | — | 518 | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Xylene (mixed isomers) | — | 10 | — | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Xylene (mixed isomers) | — | 28 | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Xylene (mixed isomers) | 279 | — | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Lead compounds | 0 | — | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Lead compounds | 175 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Lead compounds | 967 | — | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Lead compounds | 147 | — | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Naphthalene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Naphthalene | — | — | 4 | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Naphthalene | 5 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Phenanthrene | — | 3 | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Phenanthrene | 75 | — | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Phenanthrene | 7 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Tetrachloroethylene | — | — | 1 | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Tetrachloroethylene | — | — | 8 | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Tetrachloroethylene | 424 | — | — | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
n-Hexane | — | — | 259 | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Toluene | — | 1 | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Toluene | — | — | 11 | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Toluene | — | 6 | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Toluene | 439 | — | — | — |
|
VLS RECOVERY SERVICES
HOCKLEY, TX
|
Toluene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Toluene | — | 1 | — | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
Toluene | — | — | 259 | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Toluene | 424 | — | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Toluene | 1 | — | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Polycyclic aromatic compounds | 17 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Polycyclic aromatic compounds | — | — | 420 | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Polycyclic aromatic compounds | 37 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Cresol (mixed isomers) | — | — | 2 | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Cresol (mixed isomers) | 3 | — | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Cresol (mixed isomers) | 34 | — | — | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Cresol (mixed isomers) | — | 0 | — | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Cresol (mixed isomers) | — | 0 | — | — |
|
AMERICAN ENVIRONMENTAL LANDFILL, INC.
SAND SPRINGS, OK
|
Benzene | 14 | — | — | — |
|
NORTHERN OKLAHOMA DISPOSAL
TONKAWA, OK
|
Benzene | 50 | — | — | — |
|
SABIN METAL WEST CORPORATION
WILLISTON, ND
|
Benzene | — | 0 | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Benzene | — | — | 0 | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Benzene | — | — | 0 | — |
|
CLEAN HARBORS SAN LEON
SAN LEON, TX
|
Benzene | — | 0 | — | — |
|
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
|
Benzene | 0 | — | — | — |
|
SAFETY-KLEEN SYSTEMS
DENTON, TX
|
Benzene | — | — | 259 | — |
|
VLS RECOVERY SERVICES
HOCKLEY, TX
|
Benzene | 0 | — | — | — |
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 | Sep 24, 2025 | — | Open |
| caa | FRV | Oct 30, 2024 | — | Open |
| caa | FRV | Oct 15, 2024 | — | Open |
| caa | FRV | Sep 17, 2024 | — | Open |
| caa | FRV | Sep 17, 2024 | — | Open |
| caa | FRV | Jul 2, 2024 | — | Open |
| caa | FRV | Feb 14, 2024 | — | Open |
| caa | FRV | Jan 3, 2023 | — | Open |
| caa | FRV | Oct 18, 2022 | — | Open |
| caa | FRV | Sep 27, 2022 | — | Open |
| caa | FRV | Sep 27, 2022 | — | Open |
| caa | FRV | Sep 27, 2022 | — | Open |
| caa | FRV | Aug 17, 2022 | — | Open |
| caa | FRV | May 10, 2022 | — | Open |
| caa | FRV | Jan 21, 2022 | — | Open |
| caa | FRV | Aug 18, 2021 | — | Open |
| caa | FRV | Mar 15, 2021 | — | Open |
| caa | FRV | Oct 27, 2020 | — | Open |
| caa | FRV | Aug 14, 2020 | — | Open |
| caa | FRV | Mar 20, 2020 | — | Open |
| caa | FRV | Oct 22, 2019 | — | Open |
| caa | FRV | Oct 7, 2019 | — | Open |
| caa | FRV | Sep 25, 2019 | — | Open |
| caa | FRV | Sep 25, 2019 | — | Open |
| caa | FRV | Sep 3, 2019 | — | Open |
| caa | FRV | Aug 7, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 19, 2019 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Apr 19, 2018 | Apr 19, 2018 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Changes to Permits | Apr 19, 2018 | Apr 19, 2018 | Resolved |
| rcra | Standards for Used Oil: Generators | Apr 19, 2018 | Apr 19, 2018 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 18, 2018 | Apr 18, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 18, 2018 | Apr 23, 2018 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Feb 14, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 25, 2016 | — | Open |
| caa | FRV | Jul 6, 2016 | — | Open |
| caa | FRV | Jun 3, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2016 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 10, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2013 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 15, 2013 | — | Open |
| rcra | Standards for Used Oil: Generators | Sep 19, 2012 | Sep 19, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2012 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 25, 2011 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 7, 2010 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 19, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 2, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2009 | Dec 1, 2009 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2009 | Mar 4, 2009 | 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 |
|---|---|---|---|---|---|---|
| Sulfide, total [as S] | DMR, Limited - Numeric Violation | 16.95 kg/d | 7.65 | +122% | Sep 2025 | Open |
| Sulfide, total [as S] | DMR, Limited - Numeric Violation | 1.10 mg/L | 0.63 | +75% | Sep 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 78.20 mg/L | 50.00 | +56% | Mar 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 1,134.09 kg/d | 587.02 | +93% | Mar 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 314.17 kg/d | 308.72 | +2% | Mar 2021 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 130.00 mg/L | 120.00 | +8% | Mar 2021 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 170.00 mg/L | 120.00 | +42% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,170.87 kg/d | 842.17 | +39% | Jun 2019 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 19.00 mg/L | 15.00 | +27% | Jul 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 164.00 mg/L | 15.00 | +993% | Apr 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 21.80 mg/L | 15.00 | +45% | Jan 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 23.90 mg/L | 15.00 | +59% | Jan 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 88.00 mg/L | 15.00 | +487% | Dec 2015 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 150.00 mg/L | 120.00 | +25% | Nov 2015 | Open |
| Sulfide, total [as S] | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.22 | +127% | Aug 2015 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 16.00 mg/L | 15.00 | +7% | May 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.
Administrative - Formal
· Case 06-2001-0065
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OKD007233836-001 · Apr 18, 2018
State CWA Non Penalty AO
Clean Water Act
· Case OK-I-36000400-17-1 · Jun 14, 2017
Administrative - Formal
· Case 06-2012-0632 · Sep 19, 2012
State Administrative Order of Consent
Clean Water Act
· Case OK-CO 08-295 · Dec 15, 2008
State Administrative Order of Consent
Clean Water Act
· Case OK-CO 05-358(B) · Dec 14, 2007
State Administrative Order of Consent
Clean Water Act
· Case OK-CO 05-358A 012607 · Jan 26, 2007
State Administrative Order of Consent
Clean Water Act
· Case OK-N00000272 · Nov 9, 2005
Administrative - Formal
· Case 06-2003-4514 · Feb 14, 2003
$500
Administrative - Formal
· Case HQ-2001-0540 · Mar 11, 2002
$119,000
Judicial
· Case 06-2002-3717 · Feb 20, 2002
$1,199,000
Administrative - Formal
· Case 06-2001-0013 · Nov 13, 2000
$24,640
Administrative - Formal
· Case 06-1997-0757 · Jun 2, 2000
$2,890
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OKD007233836-000 · Jul 30, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OKD007233836-002 · Nov 28, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OKD007233836-005 · Aug 2, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OKD007233836-004 · May 24, 1989
Judicial
· Case 06-1987-0206 · Jun 3, 1988
$250,000
Administrative - Formal
· Case 06-1986-0088 · Dec 30, 1985
$7,000
Other facilities in KAY County, OK
HIDEAWAY RV PARK
, OK
PHILLIPS 66 PIPELINE OGG
TONKAWA, OK
· Transportation and Warehousing
CENTERPOINT ENERGY BLACKWELL SERVICE CENTER
BLACKWELL, OK
· Utilities
CITY OF BLACKWELL-BLACKWELL WATER PLANT
BLACKWELL, OK
SWENSON CANNON HONDA AUTOPLEX
PONCA CITY, OK
PETER PAN CLNR PONCA CITY / 1504 PROSPECT PETER PAN CLEANERS
PONCA CITY, OK
· Other Services