Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CONRAD SHIPYARD LLC (MAIN YARD)
1501 FRONT ST, MORGAN CITY, LA, 70380
Parent company: CONRAD INDUSTRIES INC
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 | Xylene (mixed isomers) | Toluene | Manganese | Nickel | Total (lbs) | |
| 2024 | — | — | — | 10 | 10 | |
| 2022 | — | — | 20 | — | 20 | |
| 2021 | — | — | 15 | — | 15 | |
| 2020 | — | — | 13 | — | 13 | |
| 2019 | — | — | 17 | — | 17 | |
| 2018 | — | — | 44 | — | 44 | |
| 2015 | 9,311 | — | — | 6 | 9,317 | |
| 2014 | 10,724 | — | — | — | 10,724 | |
| 2009 | 9,900 | — | — | — | 9,900 | |
| 2001 | 12,160 | 12,360 | — | — | 24,520 | |
| 2000 | 10,940 | — | — | — | 10,940 | |
▎ 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.