Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FREEPORT-MCMORAN MORENCI INC
4521 N US HWY 191, MORENCI, AZ, 85540
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 | Zinc compounds | Lead And Lead Compounds | Manganese compounds | Total (lbs) |
| 2024 | — | — | 2,900,750 | 1,744,257 | — | 6,255,376 |
| 2023 | — | — | 1,300,250 | 1,188,724 | — | 4,090,443 |
| 2022 | — | — | 1,900,250 | 1,298,250 | — | 4,892,677 |
| 2021 | — | — | 1,700,250 | 5,400,591 | — | 8,325,913 |
| 2020 | — | — | 1,700,250 | 5,835,266 | — | 9,739,572 |
| 2019 | 117,000 | 7,113,793 | 1,000,250 | — | — | 9,646,734 |
| 2018 | — | 6,957,180 | 4,100,500 | — | 830,255 | 13,326,189 |
| 2017 | 108,450 | 7,380,124 | 530,250 | — | 230,010 | 9,298,570 |
| 2016 | 13,650 | 7,316,075 | 520,250 | — | — | 8,920,080 |
| 2015 | 20,600 | 6,662,924 | 160,250 | — | 160,255 | 7,751,621 |
| 2014 | 17,750 | 4,402,554 | — | — | 110,255 | 5,143,579 |
| 2013 | 27,350 | 3,055,321 | — | — | 110,250 | 3,792,726 |
| 2012 | 13,850 | 3,073,925 | — | — | 150,250 | 3,714,130 |
| 2011 | 343,850 | 3,001,678 | — | — | 540,250 | 4,763,478 |
| 2010 | 152,750 | 1,682,567 | — | — | 490,250 | 2,925,377 |
| 2009 | 170,500 | 390,335 | 290,255 | — | 100,005 | 1,213,464 |
| 2008 | 2,257,450 | 3,999,879 | 1,001,005 | — | 860,500 | 8,561,525 |
| 2007 | 1,603,000 | 5,301,315 | 224,000 | — | — | 8,320,443 |
| 2006 | 2,030 | 2,038,544 | — | — | 54,505 | 2,341,159 |
| 2005 | 3,901,600 | 13,382 | — | — | 1,100,052 | 5,292,719 |
| 2004 | 4,260,009 | 12,737 | — | — | 1,000,400 | 5,490,212 |
| 2003 | 3,200,009 | 12,099 | — | — | 960,400 | 4,400,930 |
| 2002 | 3,200,000 | 12,468 | — | — | 980,370 | 4,288,823 |
| 2001 | 22,003,629 | 193,057 | 2,190,899 | — | 1,463,000 | 26,125,933 |
| 2000 | 85,854,700 | 1,971 | 62,152 | — | 52,982 | 86,470,816 |
| 1999 | 125,240,401 | 6,870 | 220,134 | — | 406,215 | 126,393,791 |
| 1998 | 140,427,428 | 6,110 | 460,063 | — | 318,900 | 141,731,399 |
▎ 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.