Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
1701 W MAIN ST, WASHINGTON, MO, 63090
Parent company: HOWMET AEROSPACE INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Nitric acid | Hydrogen fluoride | Sodium nitrite | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Total (lbs) | |
| 2024 | 807 | 43 | 153 | — | 1,003 | |
| 2023 | 325 | 18 | 137 | — | 480 | |
| 2022 | 658 | 35 | 106 | 7 | 806 | |
| 2021 | 2,998 | 151 | 50 | — | 3,199 | |
| 2020 | 2,851 | 173 | 137 | — | 3,161 | |
| 2019 | 5,398 | 261 | 199 | — | 5,858 | |
| 2018 | 7,303 | 1,699 | 129 | — | 9,131 | |
| 2017 | 6,114 | 1,395 | 161 | — | 7,670 | |
| 2016 | 6,114 | 1,391 | 259 | — | 7,764 | |
| 2015 | 5,439 | 1,813 | 181 | — | 7,433 | |
| 2014 | 5,930 | 1,833 | 195 | — | 7,958 | |
| 2013 | 5,036 | 1,801 | 165 | — | 7,002 | |
| 2012 | 4,690 | 1,792 | 1,205 | — | 7,687 | |
| 2011 | 5,033 | 1,806 | 1,341 | — | 8,180 | |
| 2010 | 256 | 141 | — | — | 397 | |
| 2009 | 346 | 188 | — | — | 534 | |
| 2008 | 307 | 340 | — | — | 647 | |
| 2007 | 416 | 221 | — | — | 637 | |
| 2006 | 306 | 340 | — | — | 646 | |
| 2005 | 356 | 234 | — | — | 590 | |
| 2004 | 187 | 242 | — | — | 429 | |
| 2003 | 240 | 358 | — | — | 598 | |
| 2002 | 259 | 214 | — | — | 473 | |
| 2001 | 325 | 185 | — | — | 510 | |
| 2000 | 120 | 340 | — | — | 460 | |
| 1999 | 100 | 314 | — | — | 414 | |
| 1998 | 170 | 330 | — | — | 500 | |
| 1997 | 473 | 370 | — | — | 843 | |
| 1996 | 1,066 | 487 | — | — | 1,553 | |
| 1995 | 750 | 250 | — | — | 1,000 | |
| 1994 | 853 | 325 | — | — | 1,178 | |
| 1993 | 220 | 164 | — | — | 384 | |
| 1992 | 749 | 298 | — | — | 1,047 | |
| 1991 | 970 | 470 | — | — | 1,440 | |
| 1990 | 1,006 | 521 | — | — | 1,527 | |
| 1989 | 997 | 511 | — | — | 1,508 | |
| 1988 | — | 709 | — | — | 709 | |
▎ 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.