Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
OFFSHORE OPERATIONS HOUSTON
9518 E MOUNT HO US TON RD, HOUSTON, TX, 77050
Parent company: US STEEL CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Manganese | Lead | Chromium | Nickel | Total |
|---|---|---|---|---|---|
| 2024 | — | 5 | 12 | 29 | 46 |
| 2023 | 5 | 3 | — | 16 | 24 |
| 2022 | — | 7 | — | — | 7 |
| 2021 | 6 | 10 | 3 | — | 19 |
| 2020 | 7 | 9 | 3 | — | 18 |
| 2019 | 20 | 4 | 34 | 7 | 64 |
| 2018 | 11 | 0 | — | — | 11 |
| 2017 | 6 | 1 | 0 | — | 7 |
| 2016 | 2 | 0 | 0 | — | 3 |
| 2015 | 12 | 3 | — | — | 15 |
| 2014 | 14 | 3 | — | — | 17 |
| 2013 | 6 | 1 | — | — | 7 |
| 2012 | 6 | 1 | — | — | 7 |
| 2011 | 2 | 0 | — | — | 2 |
| 2010 | — | 0 | — | — | 0 |
| 2009 | — | 0 | — | — | 0 |
| 2008 | — | 2 | — | — | 2 |
| 2007 | — | 16 | — | — | 16 |