Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OAHU GAS PLANT
3542 FM 1776, COYANOSA, TX, 79730
Parent company: TARGA RESOURCES 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 | Hydrogen sulfide | Benzene | n-Hexane | Toluene | Cyclohexane | Total (lbs) |
| 2024 | 1,460 | 119 | 116 | 42 | 21 | 1,761 |
| 2023 | — | 124 | 100 | 35 | — | 259 |
| 2022 | 4,191 | 36 | — | 18 | — | 4,246 |
▎ 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.