Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONTANA RESOURCES LLC
600 SHIELDS AVE, BUTTE, MT, 59701
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 compounds | Zinc compounds | Manganese And Manganese Compounds | Lead compounds | Copper And Copper Compounds | Total (lbs) |
| 2024 | — | 5,503,851 | 11,766,343 | 2,831,078 | 10,529,958 | 31,652,798 |
| 2023 | — | 7,277,724 | 10,822,952 | 3,943,594 | 16,852,661 | 40,134,161 |
| 2022 | — | 7,367,613 | 10,225,343 | 3,436,937 | 18,606,856 | 40,937,854 |
| 2021 | — | 8,662,418 | 13,933,593 | 3,957,901 | 14,030,512 | 41,627,622 |
| 2020 | — | 12,446,622 | 15,738,058 | 3,559,931 | 13,888,669 | 46,652,926 |
| 2019 | — | 10,859,357 | 16,398,683 | 3,252,845 | 14,581,246 | 45,807,197 |
| 2018 | 12,466,518 | 8,361,432 | 13,270,910 | 3,414,537 | — | 38,095,572 |
| 2017 | 8,322,117 | 6,210,738 | — | 2,361,157 | — | 25,968,771 |
| 2016 | 9,105,414 | 4,926,479 | — | 4,300,565 | — | 26,482,858 |
| 2015 | 10,029,530 | 3,590,110 | — | 3,580,611 | — | 18,420,628 |
| 2014 | 10,110,898 | 3,619,468 | — | 3,609,727 | — | 18,528,871 |
| 2013 | 9,925,051 | 3,553,115 | — | 3,543,313 | — | 18,252,986 |
| 2012 | 10,449,949 | 3,741,034 | — | 3,730,779 | — | 19,178,529 |
| 2011 | 9,758,882 | 3,494,769 | — | 3,483,982 | — | 17,819,737 |
| 2010 | 10,298,369 | 3,687,356 | — | 3,676,675 | — | 18,894,016 |
| 2009 | 10,631,641 | 3,808,300 | — | 3,795,708 | — | 19,631,214 |
| 2008 | 10,243,333 | 3,659,437 | — | 3,657,048 | — | 18,897,612 |
| 2007 | 10,348,498 | 3,696,575 | — | 3,694,607 | — | 19,272,521 |
| 2006 | 10,236,426 | 3,536,112 | — | 4,556,278 | — | 21,449,903 |
| 2005 | 12,809,600 | 4,425,250 | — | 5,702,010 | — | 26,363,867 |
| 2004 | 12,809,850 | 4,425,250 | — | 5,702,010 | — | 26,364,118 |
| 2003 | 3,202,650 | 1,107,200 | — | 1,425,600 | — | 6,352,700 |
| 2000 | 12,809,850 | 4,428,800 | — | 5,702,250 | — | 25,408,400 |
| 1999 | 13,807,450 | 5,307,800 | — | 3,700,250 | — | 25,083,000 |
| 1998 | 10,008,450 | 4,205,300 | — | 1,300,250 | — | 17,050,505 |
▎ 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.