Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VALLOUREC STAR LP
8603 SHELDON RD, HOUSTON, TX, 77049
Parent company: VALLOUREC STAR LP
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 | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel compounds | Manganese | Chromium | Total (lbs) |
| 2024 | — | — | — | 532 | — | 569 |
| 2023 | — | — | — | 655 | 70 | 767 |
| 2022 | — | — | — | 235 | 25 | 284 |
| 2021 | — | — | — | 55 | — | 64 |
| 2020 | — | — | — | 40 | — | 46 |
| 2019 | — | — | — | 28 | — | 39 |
| 2018 | — | — | — | 155 | — | 174 |
| 2017 | — | — | — | 408 | — | 455 |
| 2016 | 129 | — | — | — | — | 143 |
| 2015 | 510 | — | — | — | — | 558 |
| 2014 | 138 | 16 | 8 | — | — | 179 |
| 2013 | 123 | — | 10 | — | — | 146 |
| 2012 | 192 | 14 | 22 | — | — | 237 |
| 2011 | 102 | 10 | 11 | — | — | 139 |
| 2010 | 253 | 25 | 10 | — | — | 373 |
| 2009 | 583 | 75 | — | — | — | 772 |
| 2008 | 159 | 21 | 5 | — | — | 213 |
| 2007 | 226 | 37 | 26 | — | — | 531 |
| 2006 | 273 | 45 | 31 | — | — | 641 |
| 2005 | 154 | 25 | 18 | — | — | 362 |
| 2004 | 243 | 40 | 28 | — | — | 572 |
| 2003 | 140 | 20 | 17 | — | — | 2,831 |
| 2002 | 78 | — | 22 | — | — | 156 |
| 2001 | 547 | — | 47 | — | — | 863 |
| 2000 | 61 | — | — | — | — | 61 |
| 1996 | 65,186 | 23,704 | 8,889 | — | — | 97,779 |
| 1995 | 170,000 | 64,000 | 19,000 | — | — | 253,000 |
| 1994 | 148,000 | 56,000 | 16,000 | — | — | 220,000 |
| 1993 | 121,000 | 41,000 | 13,000 | — | — | 175,000 |
| 1992 | 59,232 | 22,727 | 11,103 | — | — | 93,062 |
| 1991 | 93,519 | 33,705 | — | — | — | 127,224 |
| 1990 | 93,366 | — | — | — | 14,005 | 114,416 |
| 1989 | — | — | — | 49,250 | 7,400 | 57,362 |
| 1988 | — | — | — | — | 2,220 | 2,220 |
▎ 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.