Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIERRA ALUMINUM CO PLANT II
11806-11880 PACIFIC AVE, FONTANA, CA, 92337
Parent company: SIERRA ALUMINUM CO
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 | Xylene (mixed isomers) | Toluene | 1,1,1-Trichloroethane | Ethylbenzene | Certain glycol ethers | Total (lbs) |
| 2024 | 559 | 100 | — | 178 | 265 | 1,264 |
| 2023 | 633 | 230 | — | 164 | 282 | 1,348 |
| 2022 | 1,041 | 366 | — | 265 | 509 | 2,229 |
| 2021 | 1,891 | 357 | — | 478 | 1,309 | 4,080 |
| 2020 | 2,161 | 340 | — | 549 | 1,058 | 4,140 |
| 2019 | 2,330 | 273 | — | 1,721 | 1,125 | 5,487 |
| 2018 | 4,034 | 1,791 | — | 1,376 | — | 7,268 |
| 2017 | 3,548 | 1,399 | — | 1,243 | — | 6,264 |
| 2016 | 4,834 | 1,923 | — | 1,836 | — | 8,709 |
| 2015 | 3,494 | 1,955 | — | 1,576 | — | 7,097 |
| 2014 | 2,829 | 1,526 | — | 1,285 | — | 5,676 |
| 2013 | 1,888 | 1,500 | — | 1,057 | — | 4,477 |
| 2012 | 1,743 | 987 | — | — | — | 2,730 |
| 2011 | 1,931 | 755 | — | — | — | 2,685 |
| 2010 | 1,289 | 647 | — | — | — | 1,937 |
| 2009 | 1,032 | 431 | — | — | — | 1,463 |
| 2008 | 1,760 | 567 | — | — | — | 2,327 |
| 2007 | 2,015 | 1,195 | — | — | — | 3,210 |
| 2006 | 2,919 | 1,455 | — | — | — | 4,375 |
| 2005 | 5,206 | 2,107 | — | — | — | 7,312 |
| 2004 | 3,185 | 1,444 | — | — | — | 4,630 |
| 2003 | 2,412 | 931 | — | — | — | 3,480 |
| 2002 | 2,525 | 543 | — | — | — | 3,239 |
| 2001 | 2,612 | 755 | — | — | — | 3,452 |
| 2000 | 2,329 | 855 | — | — | — | 3,290 |
| 1999 | 2,691 | 777 | — | — | — | 3,694 |
| 1998 | 2,096 | 829 | — | — | — | 3,288 |
| 1997 | 2,100 | 1,100 | — | — | — | 3,500 |
| 1996 | 1,200 | 1,250 | — | — | — | 2,550 |
| 1995 | 5,150 | 4,850 | — | — | — | 10,000 |
| 1994 | 3,550 | 7,550 | — | — | — | 12,220 |
| 1993 | 5,450 | — | — | — | — | 6,450 |
| 1992 | 7,150 | — | — | — | — | 7,150 |
| 1991 | 1,000 | — | — | — | — | 1,000 |
| 1990 | 27,895 | 28,514 | — | — | — | 56,409 |
| 1989 | — | — | 35,390 | — | — | 35,390 |
| 1988 | — | — | 24,690 | — | — | 24,690 |
▎ 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.