Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
50 BUTTES
3669 SOUTH HWY 50, GILLETTE, WY, 82718
Parent company: WESTERN MIDSTREAM PARTNERS LP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | n-Hexane | Ethylene glycol | Toluene | Cyclohexane | Benzene | Total |
|---|---|---|---|---|---|---|
| 2024 | 4,010 | — | 338 | 660 | — | 5,152 |
| 2023 | 3,032 | 844 | 364 | — | 447 | 4,843 |