Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PIMALCO (A WHOLLY-OWNED SUBSIDIARY OF ARCONIC)
6833 W WILLIS RD, CHANDLER, AZ, 85226
Parent company: ARCONIC INC
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 | Copper | Manganese | Lead | Chromium | Total (lbs) | |
| 2024 | 4,916 | — | 22 | — | 4,938 | |
| 2020 | 83 | — | 18 | — | 101 | |
| 2019 | 206 | — | 59 | — | 265 | |
| 2018 | 193 | — | 66 | — | 259 | |
| 2017 | 182 | — | 84 | — | 266 | |
| 2016 | 229 | — | 102 | — | 331 | |
| 2015 | 224 | — | 103 | — | 327 | |
| 2014 | 228 | — | 123 | — | 352 | |
| 2013 | 160 | — | 95 | — | 255 | |
| 2012 | 260 | — | 0 | — | 260 | |
| 2011 | 260 | — | 0 | — | 260 | |
| 2010 | 505 | — | 0 | — | 505 | |
| 2008 | 260 | — | 1 | — | 261 | |
| 2007 | 505 | 260 | 1 | — | 766 | |
| 2006 | 260 | 260 | 1 | — | 521 | |
| 2005 | 505 | 260 | 2 | — | 766 | |
| 2004 | 505 | 260 | 1 | — | 766 | |
| 2003 | 505 | 260 | 1 | — | 766 | |
| 2002 | 500 | — | 0 | — | 500 | |
| 2001 | 60 | 13 | 0 | 5 | 78 | |
| 2000 | 65 | 13 | — | 6 | 84 | |
| 1999 | 10 | 10 | — | 10 | 30 | |
| 1998 | 8 | 5 | — | 2 | 15 | |
| 1997 | 8 | 3 | — | 1 | 12 | |
| 1996 | 10 | 3 | — | 1 | 14 | |
| 1995 | 19 | 6 | — | 2 | 27 | |
| 1994 | 16 | 5 | — | 2 | 23 | |
| 1993 | 23 | 7 | — | 2 | 32 | |
▎ 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.