Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MPLX TERMINALS LLC - MARIETTA OH TERMINAL
655 RIVER LN, MARIETTA, OH, 45750
Parent company: MARATHON PETROLEUM CORP
Carcinogen
PBT
— 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 | Toluene | n-Hexane | Benzene | Xylene (mixed isomers) | Ethylbenzene | Total (lbs) |
| 2024 | 480 | 580 | 320 | 189 | 37 | 1,794 |
| 2023 | 460 | 560 | 310 | 183 | 37 | 1,727 |
| 2020 | 360 | 440 | 250 | 144 | 32 | 1,370 |
| 2019 | 410 | 500 | 290 | 169 | 32 | 1,569 |
| 2018 | 420 | 520 | 290 | 176 | 33 | 1,609 |
| 2017 | 430 | 530 | 300 | 177 | 33 | 1,642 |
| 2016 | 460 | 550 | 310 | 185 | 36 | 1,721 |
| 2015 | 460 | 550 | 310 | 178 | 35 | 1,538 |
| 2013 | 500 | 610 | 340 | 194 | 38 | 1,686 |
| 2012 | 440 | 530 | 300 | 205 | 47 | 1,534 |
| 2011 | 504 | 580 | 333 | 202 | 39 | 1,662 |
| 2010 | 504 | 620 | 416 | 202 | 39 | 1,785 |
| 2008 | 750 | 500 | 750 | 750 | 750 | 3,515 |
| 2007 | 750 | 500 | 505 | 505 | 501 | 2,773 |
| 2006 | 1,005 | 1,000 | 505 | 505 | 500 | 3,780 |
| 2005 | 500 | 1,000 | 750 | 500 | 260 | 3,030 |
| 2004 | 1,302 | — | 763 | 871 | 202 | 3,272 |
| 2000 | 1,268 | — | 729 | 784 | 161 | 3,038 |
▎ 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.