Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NINEMILE POINT PLANT
1617 RIVER RD, WESTWEGO, LA, 70094
Parent company: ENTERGY CORP
Carcinogen
PBT
— 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 | Ammonia | Formaldehyde | Mercury compounds | Polycyclic aromatic compounds | Total (lbs) | |
| 2024 | 119,930 | — | — | — | 119,930 | |
| 2023 | 136,840 | — | — | — | 136,840 | |
| 2022 | 143,750 | — | — | — | 143,750 | |
| 2021 | 11,735 | — | — | 1 | 11,736 | |
| 2020 | 12,937 | 25,353 | — | — | 38,290 | |
| 2019 | 13,796 | 26,775 | — | — | 40,571 | |
| 2018 | 23,632 | — | — | — | 23,632 | |
| 2016 | 14,510 | — | 21 | — | 14,531 | |
▎ 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.