Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THOMPSON CREEK MINING CO
SQUAW CREEK RD OFF HWY 75, CLAYTON, ID, 83227
Parent company: THOMPSON CREEK METALS CO
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 | Lead compounds | 2-Mercaptobenzothiazole | Copper compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Chromium | Total (lbs) |
| 2024 | — | — | — | 1,043,544 | — | 1,043,544 |
| 2023 | — | — | — | 175,224 | — | 175,224 |
| 2022 | 387 | — | 61,832 | — | — | 62,219 |
| 2021 | 1,240 | — | 160,001 | — | — | 161,241 |
| 2020 | 2,440 | — | 280,003 | — | — | 282,443 |
| 2019 | 5,480 | — | 370,000 | — | — | 375,480 |
| 2018 | 7,551 | — | 240,023 | — | — | 248,283 |
| 2017 | 4,351 | — | 310,024 | — | — | 314,375 |
| 2016 | 3,349 | — | 154,254 | — | — | 157,603 |
| 2015 | 36,786 | — | 67,435 | 392 | — | 104,614 |
| 2014 | 698,000 | — | — | 23 | 64,337 | 776,822 |
| 2013 | 871,406 | — | — | 31 | 45,214 | 932,018 |
| 2012 | 1,684,491 | — | — | 88 | 64,990 | 1,765,154 |
| 2011 | 2,978,253 | — | — | 161 | 59,885 | 3,053,578 |
| 2010 | 2,454,127 | 123,744 | — | 146 | 53,602 | 2,646,739 |
| 2009 | 2,169,006 | 182,541 | — | 97 | 14,966 | 2,378,513 |
| 2008 | 1,398,469 | 137,280 | — | 111 | 59,037 | 1,610,733 |
| 2007 | 3,084,517 | 14,627 | — | 127 | 59,038 | 3,173,480 |
| 2006 | 1,975,633 | 103,700 | — | — | 28,549 | 2,107,881 |
| 2005 | 1,223,286 | 160,061 | — | — | 41,567 | 1,436,702 |
| 2004 | 837,924 | 176,656 | — | — | 41,788 | 1,068,284 |
| 2003 | 1,348,197 | 105,491 | — | — | 31,901 | 1,485,589 |
| 2002 | 332,788 | 106,788 | — | — | 33,517 | 473,093 |
| 2001 | 267,492 | 29,312 | — | — | — | 296,804 |
| 2000 | — | 166,126 | — | — | 39,681 | 205,807 |
| 1999 | — | 176,304 | — | — | 26,986 | 213,520 |
| 1998 | — | 250,000 | — | 7,046 | 73,031 | 347,092 |
▎ 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.