Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OMEGA GAS PLANT
27400 N. 2740 RD, OKARCHE, OK, 73762
Parent company: MARATHON PETROLEUM CORP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | n-Hexane | Benzene | 1,3-Butadiene | Toluene | Total (lbs) | |
| 2024 | 7,254 | 6 | — | 10 | 7,270 | |
| 2023 | 13,004 | 6 | — | 12 | 13,022 | |
| 2022 | 57,050 | 1,064 | 446 | — | 58,560 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.