Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ENTERPRISE GAS PROC LLC/NORCO FRACTIONATOR
15608 AIRLINE HWY, NORCO, LA, 70079
Parent company: ENTERPRISE PRODUCTS OPERATING LLC
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 | Methanol | Toluene | Benzene | Cyclohexane | Total (lbs) |
| 2024 | 6,400 | 2,320 | 2,666 | 430 | — | 11,816 |
| 2023 | 9,100 | 2,320 | 160 | 550 | — | 12,130 |
| 2022 | — | — | 127 | 516 | 124 | 766 |
| 1999 | 7,600 | — | 225 | 284 | — | 8,118 |
| 1998 | 7,600 | — | 225 | 284 | — | 8,118 |
▎ 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.