Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SILVER BELL MINING LLC
25000 W AVRA VALLEY RD, MARANA, AZ, 85653
Parent company: AMERICAS MINING CORP
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper And Copper Compounds | Lead compounds | Lead And Lead Compounds | Total (lbs) |
| 2024 | — | 3,204 | 755 | — | 94 | 4,054 |
| 2023 | — | 3,052 | 927 | — | 72 | 4,050 |
| 2022 | — | 3,238 | 960 | — | 86 | 4,284 |
| 2021 | — | 3,354 | 1,844 | — | 981 | 6,179 |
| 2020 | — | 3,161 | 6,710 | — | 45 | 9,917 |
| 2019 | — | 3,136 | 1,365 | — | 4 | 4,505 |
| 2018 | — | 3,287 | 1,545 | — | 689 | 5,521 |
| 2017 | 3,547 | 3,094 | — | 5,538 | — | 12,179 |
| 2016 | 5,562 | 3,406 | — | 1,767 | — | 10,734 |
| 2015 | 7,153 | 3,375 | — | 44 | — | 10,572 |
| 2014 | 8,290 | 3,893 | — | 564 | — | 12,746 |
| 2013 | 6,830 | 2,669 | — | 1,025 | — | 10,524 |
| 2012 | 5,505 | 2,672 | — | 55 | — | 8,232 |
| 2011 | 3,811 | 2,757 | — | 23 | — | 6,591 |
| 2010 | 4,998 | 2,946 | — | 1 | — | 7,946 |
| 2009 | 4,964 | 2,989 | — | 60 | — | 8,013 |
| 2008 | 4,948 | 2,998 | — | 111 | — | 8,057 |
| 2007 | 4,483 | 2,963 | — | 105 | — | 7,551 |
| 2006 | 2,275 | 2,950 | — | 151 | — | 5,376 |
| 2005 | 755 | 2,720 | — | 3 | — | 3,733 |
| 2004 | 1,500 | 2,710 | — | 5 | — | 4,465 |
| 2003 | 1,500 | 270 | — | 3 | — | 2,023 |
| 2002 | 1,220 | 275 | — | 3 | — | 1,748 |
| 2001 | 5,142,255 | 610 | — | 9 | — | 5,143,124 |
| 2000 | 3,595,005 | 650 | — | — | — | 3,595,905 |
| 1999 | 5,666,305 | 785 | — | — | — | 5,667,340 |
| 1998 | 2,723,920 | 3,790 | — | — | — | 2,727,710 |
▎ 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.