Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
INTERMOUNTAIN POWER GENERATING STATION
850 W BRUSH WELLMAN RD, DELTA, UT, 84624
Parent company: INTERMOUNTAIN POWER AGENCY
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Manganese compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 18,355 | 45,755 | 23,000 | 15,910 | 511,793 |
| 2023 | 218,255 | 28,155 | 29,455 | 15,000 | 44,255 | 523,713 |
| 2022 | — | — | — | 31,000 | 13,910 | 416,665 |
| 2021 | — | — | — | 42,000 | 41,555 | 630,136 |
| 2020 | — | — | — | 23,000 | — | 525,803 |
| 2019 | 490,255 | — | — | 1,500 | 35,555 | 992,299 |
| 2018 | 580,255 | 24,755 | 92,255 | 15,000 | 56,255 | 975,431 |
| 2017 | 520,255 | 82,255 | 90,255 | 8,500 | 62,255 | 999,956 |
| 2016 | 440,255 | 73,255 | 79,255 | 54,000 | 53,255 | 906,021 |
| 2015 | 670,255 | 113,255 | 117,255 | 76,000 | 82,255 | 1,366,399 |
| 2014 | 800,255 | 138,255 | 145,255 | 80,000 | 98,255 | 1,622,182 |
| 2013 | 910,255 | 149,255 | 155,255 | 83,000 | 112,255 | 1,808,814 |
| 2012 | 750,255 | 148,255 | 107,255 | 76,000 | 90,255 | 1,520,984 |
| 2011 | 1,050,255 | 197,255 | 153,255 | 100,000 | 133,255 | 2,102,237 |
| 2010 | 1,010,755 | 185,255 | 131,255 | 94,000 | 119,255 | 1,974,630 |
| 2009 | 1,120,255 | 208,255 | 142,255 | 110,000 | 134,255 | 2,201,850 |
| 2008 | 1,050,755 | 223,255 | 132,255 | 120,000 | 133,255 | 2,147,726 |
| 2007 | 720,255 | 160,255 | 98,255 | 110,000 | 90,255 | 1,536,461 |
| 2006 | 760,255 | 180,255 | 102,255 | 110,000 | 90,255 | 1,622,205 |
| 2005 | 590,255 | 150,255 | 86,255 | 99,000 | 72,255 | 1,318,152 |
| 2004 | 420,255 | 137,255 | 73,255 | 110,000 | 46,255 | 1,088,717 |
| 2003 | 510,755 | 130,255 | 66,255 | 98,000 | 41,255 | 1,134,588 |
| 2002 | 560,255 | 149,255 | 64,255 | 96,000 | 43,255 | 1,216,473 |
| 2001 | 810,255 | 179,255 | 87,255 | 97,000 | 57,255 | 1,607,312 |
| 2000 | 741,000 | 168,755 | 81,255 | 97,000 | 53,255 | 1,582,543 |
| 1999 | 731,000 | 165,755 | 213,255 | 96,000 | 49,255 | 1,532,350 |
| 1998 | 920,500 | 236,755 | 114,255 | 110,000 | 65,255 | 1,808,400 |