Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FREEPORT-MCMORAN SIERRITA INC
6200 W DUVAL MINE RD, GREEN VALLEY, AZ, 85614
Parent company: FREEPORT-MCMORAN 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 compounds | Lead compounds | Lead And Lead Compounds | Chromium | Manganese | Total (lbs) |
| 2024 | — | — | 1,226,128 | 38,005 | 130,250 | 1,681,898 |
| 2023 | — | — | 1,673,175 | 76,005 | 340,250 | 2,477,965 |
| 2022 | — | — | 1,434,071 | 100,005 | 320,250 | 2,151,052 |
| 2021 | — | — | 1,072,069 | 240,005 | 270,250 | 1,848,383 |
| 2020 | — | — | 601,071 | 320,005 | 280,250 | 1,455,867 |
| 2019 | — | — | 679,087 | 220,005 | — | 2,009,312 |
| 2018 | — | — | 652,084 | 300,005 | — | 2,969,104 |
| 2017 | 153,755 | 506,045 | — | 250,005 | — | 1,673,550 |
| 2016 | 22,850 | 442,041 | — | 270,005 | — | 1,040,156 |
| 2015 | 123,900 | 718,083 | — | 240,005 | — | 2,877,448 |
| 2014 | 81,900 | 868,072 | — | 260,005 | — | 2,099,482 |
| 2013 | 17,200 | 801,051 | — | 320,005 | 180,250 | 1,478,306 |
| 2012 | 18,600 | 1,561,053 | — | 520,005 | 300,250 | 2,558,199 |
| 2011 | 21,350 | 1,540,076 | — | 400,005 | — | 2,434,235 |
| 2010 | 10,650 | 1,701,098 | — | — | 290,255 | 2,501,807 |
| 2009 | 5,250 | 1,294,081 | — | — | 280,250 | 2,420,965 |
| 2008 | 5,800 | 1,409,081 | — | — | 120,250 | 2,391,763 |
| 2007 | 5,710 | 1,200,836 | — | — | 120,250 | 2,029,482 |
| 2006 | 3,512 | 926,119 | — | — | 192,021 | 1,949,476 |
| 2005 | 1,468 | 1,615,056 | — | — | 52,010 | 2,295,833 |
| 2004 | 1,464 | 1,243,048 | — | — | 42,010 | 1,889,724 |
| 2003 | 2,564 | 804,044 | — | 540,000 | 290,010 | 2,057,958 |
| 2002 | 2,900 | 445,650 | — | 508,498 | 229,193 | 1,592,024 |
| 2001 | 26,500,165 | 1,085,039 | — | 530,005 | 220,017 | 28,838,672 |
| 2000 | 57,400,285 | 720,021 | — | 580,005 | 44,013 | 59,251,249 |
| 1999 | 82,632,951 | 2,102,292 | — | 359,286 | 97,625 | 85,614,133 |
| 1998 | 127,000,265 | 1,900,015 | — | 390,010 | 68,015 | 129,943,620 |
▎ 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.