Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BOARDWALK LOUISIANA MIDSTREAM LLC
60825-A HIGHWAY 1148 W, PLAQUEMINE, LA, 70764
Parent company: BOARDWALK PIPELINES LP
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 | Ethylene | Propylene | Total (lbs) | |||
| 2024 | 30,918 | 13,646 | 44,564 | |||
| 2023 | 43,430 | 17,168 | 60,598 | |||
| 2022 | 55,752 | 20,654 | 76,406 | |||
| 2021 | 84,205 | 31,013 | 115,218 | |||
| 2020 | 47,525 | 17,819 | 65,344 | |||
▎ 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.