Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MPLX TERMINALS LLC - KNOXVILLE TN LP TERMINAL
2601 KNOTT RD, KNOXVILLE, TN, 37921
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 | Toluene | Benzene | Xylene (mixed isomers) | Cyclohexane | Total (lbs) |
| 2024 | 950 | 770 | 530 | 310 | 290 | 2,930 |
| 2022 | 900 | 740 | 510 | 290 | 280 | 2,794 |
| 2021 | 970 | 790 | 540 | 320 | 300 | 3,002 |
| 2020 | 930 | 760 | 530 | 300 | 290 | 2,895 |
| 2019 | 910 | 740 | 510 | 290 | 280 | 2,804 |
| 2017 | 83 | 10 | 1 | 26 | — | 130 |
| 2016 | 970 | 790 | 540 | 300 | 290 | 2,968 |
| 2015 | 940 | 760 | 530 | 330 | — | 2,633 |
| 2007 | 500 | 500 | 500 | 1,907 | — | 4,163 |
▎ 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.