Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PINTO VALLEY MINE
2911 N FOREST SERVICE RD 287, MIAMI, AZ, 85539
Parent company: NA
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 And Copper Compounds | Copper compounds | Lead And Lead Compounds | Lead compounds | Manganese compounds | Total (lbs) |
| 2024 | 12,799,445 | — | 1,132,579 | — | — | 14,150,619 |
| 2023 | 8,140,615 | — | 1,098,730 | — | — | 9,497,129 |
| 2022 | 5,056,424 | — | 1,490,636 | — | — | 6,773,096 |
| 2021 | — | 9,116,658 | — | 1,515,505 | — | 10,832,780 |
| 2020 | 4,093,564 | — | 795,321 | — | — | 5,077,029 |
| 2019 | 4,893,675 | — | 6,855,349 | — | — | 11,973,337 |
| 2018 | 3,603,295 | — | 10,019,582 | — | — | 13,883,691 |
| 2017 | — | 2,307,322 | — | 3,073,676 | — | 5,683,353 |
| 2016 | — | 9,431,629 | — | 2,801,323 | — | 12,545,100 |
| 2015 | — | — | — | 944,417 | — | 947,309 |
| 2014 | — | — | — | 749,251 | — | 752,143 |
| 2013 | — | — | — | 599,765 | — | 708,387 |
| 2012 | — | — | — | 31,723 | — | 34,631 |
| 2011 | — | 12 | — | 14 | — | 2,926 |
| 2010 | — | 12 | — | 7 | — | 2,919 |
| 2009 | — | 12 | — | 211,430 | — | 277,062 |
| 2008 | — | — | — | 1,369,329 | — | 2,019,229 |
| 2007 | — | 100 | — | 802,271 | — | 933,273 |
| 2006 | — | 3 | — | 2 | — | 2,906 |
| 2005 | — | — | — | — | — | 2,900 |
| 2004 | — | — | — | — | — | 2,900 |
| 2003 | — | — | — | — | — | 2,900 |
| 2002 | — | 212 | — | 1 | 3 | 3,145 |
| 2001 | — | 200 | — | 2 | 5 | 3,108 |
| 2000 | — | 110 | — | — | 1 | 30,121 |
| 1999 | — | 3,000,170 | — | — | 35,005 | 3,356,690 |
| 1998 | — | 6,926,747 | — | — | 1,345,908 | 8,833,995 |
▎ 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.