Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THOMAS PETROLEUM LLC WILLISTON SOUTH BULK PLANT
103 1ST ST W, WILLISTON, ND, 58801
Parent company: MAXUM ENTERPRISES LLC
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 | Methanol | n-Hexane | 1,2,4-Trimethylbenzene | Polycyclic aromatic compounds | Total (lbs) | |
| 2015 | 3,042 | — | — | 0 | 3,043 | |
| 2014 | 1,928 | 48 | 2 | 0 | 1,978 | |
| 2013 | 2,302 | — | — | 0 | 2,302 | |
▎ 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.