Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COLSTRIP ENERGY LP ROSEBUD POWER PLANT
18 SNIDER SUBDIVISION RD, COLSTRIP, MT, 59323
Parent company: NA
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 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Barium And Barium Compounds | Manganese compounds | Total (lbs) |
| 2023 | — | — | 61,330 | 133,454 | — | 221,624 |
| 2022 | — | — | 59,195 | 110,455 | — | 191,848 |
| 2021 | — | — | 61,093 | 102,718 | — | 184,455 |
| 2020 | — | — | 53,199 | 84,841 | — | 155,134 |
| 2019 | 88,830 | — | 57,074 | — | 122 | 163,799 |
| 2018 | — | — | 62,058 | 82,481 | — | 161,203 |
| 2017 | 65,696 | — | 37,053 | — | 79 | 115,960 |
| 2016 | 4,415 | — | 62,941 | — | 134 | 68,579 |
| 2015 | 91,882 | — | 61,683 | — | 132 | 172,067 |
| 2014 | 20,050 | — | 61,182 | — | 130 | 85,513 |
| 2013 | 34,928 | — | 64,209 | — | 137 | 106,379 |
| 2012 | 608 | — | 56,632 | — | 121 | 57,667 |
| 2011 | 66,701 | — | 49,150 | — | 53,205 | 182,594 |
| 2010 | 81,160 | — | 64,203 | — | 43,180 | 204,971 |
| 2009 | 437,408 | — | 55,757 | — | 37,889 | 589,254 |
| 2008 | 438,244 | — | 57,198 | — | 36,811 | 593,289 |
| 2007 | 433,740 | — | 61,473 | — | 24,142 | 585,738 |
| 2006 | 399,402 | — | 62,555 | — | 11,730 | 540,634 |
| 2005 | 317,202 | — | 60,174 | — | — | 411,030 |
| 2004 | 282,551 | — | 57,388 | — | — | 370,419 |
| 2003 | 146,310 | 49,641 | 6,009 | — | 80,260 | 329,764 |
| 2002 | 182,241 | 286,531 | 34,685 | — | 46,984 | 570,120 |
| 2001 | 126,231 | 504,886 | 61,118 | — | 32,915 | 756,889 |
| 2000 | 233,768 | 477,505 | 57,803 | — | 28,330 | 811,747 |
| 1999 | 328,438 | 512,876 | 62,085 | — | 37,924 | 957,677 |
| 1998 | 192,404 | 512,426 | 62,031 | — | 42,481 | 827,653 |
▎ 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.