Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ASARCO LLC MISSION COMPLEX
4201 W PIMA MINE RD, SAHUARITA, AZ, 85629
Parent company: AMERICAS MINING CORP
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 compounds | Zinc compounds | Lead compounds | Lead And Lead Compounds | Chromium | Total (lbs) |
| 2024 | — | — | — | 1,610,807 | 63,667 | 2,103,256 |
| 2023 | — | — | — | 1,721,114 | 187,970 | 2,243,885 |
| 2022 | — | — | — | 5,761,902 | 296,370 | 6,416,123 |
| 2021 | — | — | — | 1,768,928 | 296,201 | 2,429,417 |
| 2020 | 285,731 | — | — | 1,402,257 | 245,642 | 2,147,985 |
| 2019 | — | — | — | 2,203,266 | 188,833 | 3,824,068 |
| 2018 | — | — | — | 5,107,885 | 301,510 | 8,775,887 |
| 2017 | 5,097 | — | 4,653,160 | — | 197,265 | 5,021,595 |
| 2016 | 4,901 | — | 3,865,058 | — | 211,677 | 4,247,028 |
| 2015 | 8,539 | — | 3,985,260 | — | 172,425 | 4,357,668 |
| 2014 | 9,502 | — | 3,004,113 | — | 145,579 | 3,484,137 |
| 2013 | 10,867 | — | 1,775,967 | — | 277,526 | 2,413,448 |
| 2012 | 9,566 | — | 2,536,467 | — | 253,660 | 3,117,042 |
| 2011 | 6,740 | — | 1,239,654 | — | 253,661 | 1,921,557 |
| 2010 | 3,903 | — | 1,379,390 | — | 65,778 | 1,593,877 |
| 2009 | 1,568 | — | 1,379,317 | — | 84,056 | 1,756,420 |
| 2008 | 1,628 | — | 1,629,823 | — | 108,360 | 2,006,429 |
| 2007 | 6,351 | 1,300 | 3,386,245 | — | 159,716 | 4,040,432 |
| 2006 | 4,170 | 715 | 2,731,536 | — | 185,539 | 3,270,943 |
| 2005 | 1,738 | 374 | 1,007,431 | — | 118,549 | 1,300,228 |
| 2004 | 2,387 | 663 | 1,211,673 | — | 111,121 | 1,523,637 |
| 2003 | 2,340 | 412 | 706,091 | — | 118,549 | 1,051,452 |
| 2002 | 3,501 | 837 | 2,625,049 | — | 158,100 | 3,109,598 |
| 2001 | 89,838,316 | 46,348,141 | 4,206,672 | — | 185,599 | 140,988,230 |
| 2000 | 113,637,959 | 34,566,749 | — | — | 500,984 | 149,380,158 |
| 1999 | 169,396,282 | 61,615,131 | — | — | 528,188 | 233,646,742 |
| 1998 | 228,098,537 | 107,480,711 | — | — | 378,207 | 336,572,439 |
▎ 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.