Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ENTERPRISE GAS PROCESSING LLC - NEPTUNE GAS PLANT
120 TRUNKLINE LN, CENTERVILLE, LA, 70522
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 | Benzene | Total (lbs) | |||
| 2024 | 223 | 249 | 472 | |||
| 2023 | 2,484 | 155 | 2,639 | |||
| 2022 | 1,638 | 129 | 1,766 | |||
▎ 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.