DEER PARK OIL REFINERY

  • Regulated Entity Reference Number: RN111372785
  • Primary Business: REFINING AND PETROCHEMICAL MANUFACTURING
  • County: HARRIS
  • Nearest City: DEER PARK
  • Nearest Zipcode: 77536
  • Physical Location: No physical location description ON file.
  • TCEQ reference

Emission Events

  Tracking Number Event began Event ended Duration Total Released
446522 09/19/2025 07:10 PM 09/19/2025 11:05 PM 3.92 10,457.60
ContaminantAmount Released
Butane 290.70 lbs
Carbon Monoxide 571.70 lbs
Cis-2-butene 4.90 lbs
Ethylene 0.70 lbs
Hydrogen Sulfide 106.00 lbs
Isobutane 98.10 lbs
NOX 65.60 lbs
Pentanes 434.80 lbs
Propane 106.80 lbs
Propylene (Propene) 2.90 lbs
Sulfur dioxide 8,726.60 lbs
Trans-2-butene 10.30 lbs
butene-1 38.50 lbs
446487 09/18/2025 09:55 PM 09/19/2025 05:29 AM 7.57 19,585.30
ContaminantAmount Released
Butane 437.60 lbs
Carbon Monoxide 1,085.30 lbs
Cis-2-butene 18.60 lbs
Ethylene 1.80 lbs
Hydrogen Sulfide 185.40 lbs
Isobutane 228.50 lbs
NOX 107.90 lbs
Pentanes 708.90 lbs
Propane 158.90 lbs
Propylene (Propene) 6.30 lbs
Sulfur dioxide 16,519.30 lbs
Trans-2-butene 41.60 lbs
butene-1 85.20 lbs
446420 09/17/2025 09:12 PM 09/18/2025 02:00 AM 4.80 9,645.70
ContaminantAmount Released
Butane 329.00 lbs
Butenes, All Isomers 14.50 lbs
Carbon Monoxide 651.10 lbs
Hydrogen Sulfide 97.30 lbs
Isobutane 154.50 lbs
NOX 65.80 lbs
Pentanes 474.80 lbs
Propane 96.40 lbs
Propylene (Propene) 2.40 lbs
Sulfur dioxide 7,759.90 lbs
444153 07/28/2025 11:00 AM 07/29/2025 02:00 AM 15.00 4,750.00
ContaminantAmount Released
Butenes, All Isomers 4,750.00 lbs
430966 10/10/2024 04:22 PM 10/11/2024 12:00 AM 7.63 64,566.00
ContaminantAmount Released
Carbon Monoxide 993.00 lbs
Hydrogen Sulfide 29,014.00 lbs
NOX 72.00 lbs
Sulfur dioxide 34,369.00 lbs
VOCs 118.00 lbs
430738 10/06/2024 09:00 AM 10/06/2024 01:15 PM 4.25 492.60
ContaminantAmount Released
Benzene 492.60 lbs
424880 06/12/2024 10:40 AM 06/12/2024 02:50 PM 4.17 14,934.40
ContaminantAmount Released
Benzene 2.20 lbs
C5+ 5,598.60 lbs
Carbon Monoxide 666.60 lbs
Ethylbenzene 147.10 lbs
Hydrogen Sulfide 27.10 lbs
NOX 123.90 lbs
Octane, all isomers 1,029.70 lbs
Sulfur dioxide 2,515.60 lbs
VOCs 286.40 lbs
Xylene, m- 622.30 lbs
decanes 3,914.90 lbs
404250 07/10/2023 10:00 AM 07/10/2023 01:00 PM 3.00 29,865.00
ContaminantAmount Released
Carbon Monoxide 209.00 lbs
Hydrogen Sulfide 295.00 lbs
NOX 41.00 lbs
Sulfur dioxide 29,186.00 lbs
VOCs 134.00 lbs
394417 01/24/2023 02:45 PM 01/24/2023 07:00 PM 4.25 46,328.30
ContaminantAmount Released
Carbon Monoxide 2,593.20 lbs
Hydrogen Sulfide 453.70 lbs
NOX 282.30 lbs
Sulfur dioxide 38,982.70 lbs
VOCs 4,016.40 lbs
392436 12/23/2022 12:00 AM 12/23/2022 11:00 PM 23.00 527,375.00
ContaminantAmount Released
Carbon Monoxide 7,908.00 lbs
Hydrogen Sulfide 5,351.00 lbs
NOX 1,397.00 lbs
Sulfur dioxide 503,571.00 lbs
VOCs 9,148.00 lbs
387591 09/17/2022 02:26 PM 09/17/2022 05:26 PM 3.00 6,029.40
ContaminantAmount Released
Carbon Monoxide 307.10 lbs
Hydrogen Sulfide 57.50 lbs
NOX 28.60 lbs
Sulfur dioxide 5,041.00 lbs
VOCs 595.20 lbs
382434 07/02/2022 12:42 PM 07/02/2022 09:42 PM 9.00 213.10
ContaminantAmount Released
Sulfur dioxide 213.10 lbs
380948 06/05/2022 02:24 PM 06/05/2022 08:11 PM 5.78 11,259.00
ContaminantAmount Released
Carbon Monoxide 566.00 lbs
Hydrogen Sulfide 123.00 lbs
NOX 63.00 lbs
Sulfur dioxide 9,398.00 lbs
VOCs 1,109.00 lbs
378294 04/24/2022 12:12 PM 04/24/2022 06:00 PM 5.80 173,185.00
ContaminantAmount Released
Carbon Monoxide 4,220.00 lbs
Hydrogen Sulfide 1,859.00 lbs
NOX 591.00 lbs
Sulfur dioxide 159,913.00 lbs
VOCs 6,602.00 lbs
378273 04/23/2022 02:50 AM 04/23/2022 06:38 AM 3.80 128,054.00
ContaminantAmount Released
Carbon Monoxide 2,961.00 lbs
Hydrogen Sulfide 1,366.00 lbs
NOX 414.00 lbs
Sulfur dioxide 118,946.00 lbs
VOCs 4,367.00 lbs
377866 04/13/2022 12:49 AM 04/13/2022 04:52 AM 4.05 77,428.00
ContaminantAmount Released
Carbon Monoxide 1,607.00 lbs
Hydrogen Sulfide 916.00 lbs
NOX 222.00 lbs
Sulfur dioxide 72,560.00 lbs
VOCs 2,123.00 lbs
377497 04/05/2022 11:15 AM 04/05/2022 01:05 PM 1.83 795.20
ContaminantAmount Released
Carbon Dioxide 25.60 lbs
Hydrogen 4.00 lbs
Hydrogen Sulfide 50.70 lbs
NITROGEN 4.00 lbs
Sulfur dioxide 24.50 lbs
Water (H2O) 686.40 lbs
375320 02/28/2022 05:49 PM 02/28/2022 10:00 PM 4.18 87,660.00
ContaminantAmount Released
Carbon Monoxide 2,131.00 lbs
Hydrogen Sulfide 1,097.00 lbs
NOX 299.00 lbs
Sulfur dioxide 81,509.00 lbs
VOCs 2,624.00 lbs
374819 02/21/2022 03:45 PM 02/21/2022 05:11 PM 1.43 27,043.00
ContaminantAmount Released
Carbon Monoxide 644.40 lbs
Hydrogen Sulfide 304.40 lbs
NOX 92.00 lbs
Sulfur dioxide 25,138.00 lbs
VOCs 864.20 lbs
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