Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GCC-THREE FORKS LLC
4070 TRIDENT RD, THREE FORKS, MT, 59752
Parent company: GCC OF AMERICA
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 | Ammonia | Lead compounds | Lead And Lead Compounds | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) |
| 2024 | 28,361 | — | 13,348 | — | — | 41,718 |
| 2023 | 27,882 | — | 14,328 | — | — | 42,223 |
| 2022 | 27,047 | — | 14,882 | — | — | 41,942 |
| 2021 | 27,196 | — | 17,067 | — | — | 44,276 |
| 2020 | 26,998 | — | 15,700 | — | — | 42,712 |
| 2019 | 27,285 | — | 12,240 | — | — | 39,538 |
| 2018 | 30,603 | — | 11,132 | — | — | 41,751 |
| 2017 | 27,662 | 8,393 | — | — | — | 36,069 |
| 2016 | — | 23,236 | — | — | — | 23,251 |
| 2015 | — | 12,827 | — | — | — | 12,840 |
| 2014 | — | 8,339 | — | — | — | 8,353 |
| 2013 | — | 3,863 | — | — | — | 3,880 |
| 2012 | — | 1,364 | — | — | — | 1,383 |
| 2011 | — | 70 | — | — | — | 87 |
| 2010 | — | 27 | — | — | — | 41 |
| 2009 | — | 383 | — | — | — | 393 |
| 2008 | — | 3,030 | — | — | 3 | 3,048 |
| 2007 | 27,300 | 4,531 | — | 606 | — | 33,192 |
| 2006 | — | 5,017 | — | 10,500 | 5 | 20,030 |
| 2005 | 33,000 | 8,036 | — | 10,500 | 1,405 | 52,955 |
| 2004 | 40,000 | 12,053 | — | 16,500 | 2,305 | 70,883 |
| 2003 | — | 11,021 | — | — | — | 11,041 |
| 2002 | — | 12,344 | — | — | 3,400 | 15,783 |
| 2001 | — | 15,009 | — | — | — | 15,028 |
| 2000 | — | — | — | — | — | 755 |
▎ 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.