Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STOCKTON STEEL
3003 E HAMMER LN, STOCKTON, CA, 95212
Parent company: THE HERRICK CORP
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) | Manganese | Copper | Chromium | Nickel | Total (lbs) |
| 2024 | — | 24 | 2 | 1 | 2 | 29 |
| 2023 | — | 24 | 0 | 4 | 3 | 31 |
| 2022 | — | 21 | 0 | 0 | 0 | 21 |
| 2021 | — | 74 | 6 | 0 | 0 | 80 |
| 2020 | — | 48 | 1 | — | 1 | 50 |
| 2019 | — | 72 | 2 | — | — | 74 |
| 2018 | — | 116 | 3 | — | 4 | 123 |
| 2017 | — | 133 | 2 | — | 14 | 149 |
| 2016 | — | 145 | 7 | — | 14 | 166 |
| 2015 | — | 241 | 10 | 0 | 17 | 268 |
| 2014 | — | 334 | 17 | 0 | 13 | 364 |
| 2013 | — | 124 | 6 | 0 | 4 | 134 |
| 2012 | — | 133 | 2 | 2 | — | 138 |
| 2011 | — | 73 | 1 | 1 | — | 74 |
| 2010 | — | 63 | 0 | 0 | — | 64 |
| 2009 | — | 80 | 0 | 2 | 2 | 84 |
| 2008 | — | 115 | 0 | 3 | 3 | 122 |
| 2007 | — | 425 | 4 | 2 | 1 | 432 |
| 2006 | — | 434 | 4 | 3 | 1 | 442 |
| 2005 | — | 277 | 3 | 2 | 1 | 283 |
| 2004 | — | 159 | 2 | 1 | — | 167 |
| 2003 | — | 90 | 183 | 193 | 83 | 554 |
| 2002 | — | 15 | 30 | 32 | — | 79 |
| 2001 | — | 17 | 35 | 37 | 16 | 106 |
| 2000 | — | 220 | 14 | 1 | — | 247 |
| 1999 | — | 250 | — | — | — | 250 |
| 1998 | — | 250 | — | — | — | 250 |
| 1997 | — | 750 | — | — | — | 750 |
| 1996 | — | 250 | — | — | — | 250 |
| 1995 | — | 250 | — | — | — | 250 |
| 1994 | — | 250 | — | — | — | 250 |
| 1993 | — | 250 | — | — | — | 250 |
| 1992 | 18,000 | — | — | — | — | 18,000 |
| 1991 | — | 250 | — | — | — | 250 |
| 1990 | — | 250 | — | — | — | 250 |
| 1989 | — | 250 | — | — | — | 250 |
▎ 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.