Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OXY PERMIAN - WILLARD SEPARATION PLANT
1190 COUNTY ROAD 330, DENVER CITY, TX, 79323
Parent company: OCCIDENTAL 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 | Cyclohexane | Toluene | Ethylbenzene | Total (lbs) |
| 2024 | 4,400 | 810 | 567 | 350 | — | 6,127 |
| 2023 | 3,713 | 775 | 537 | 446 | — | 5,471 |
| 2022 | 4,221 | 704 | 504 | 408 | 37 | 5,874 |
▎ 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.