Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FOUR CORNERS STEAM ELECTRIC STATION
COUNTY RD 6675, FRUITLAND, NM, 87416
Parent company: PINNACLE WEST CAPITAL CORP
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 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Manganese compounds | Vanadium compounds | Barium And Barium Compounds | Copper compounds | Total (lbs) |
| 2024 | — | — | 110,425 | 838,313 | — | 1,443,069 |
| 2023 | — | — | 125,941 | 953,361 | — | 1,582,497 |
| 2022 | — | — | 199,126 | 1,505,363 | — | 2,517,204 |
| 2021 | 1,174,389 | 174,720 | 155,293 | — | 103,745 | 1,932,494 |
| 2020 | 720,987 | 114,992 | 94,608 | — | 62,623 | 1,207,201 |
| 2019 | 637,085 | 104,338 | 82,814 | — | 54,440 | 1,073,420 |
| 2018 | 589,605 | 95,597 | 77,118 | — | 50,930 | 1,028,004 |
| 2017 | 596,144 | 95,225 | 78,182 | — | 51,773 | 1,027,962 |
| 2016 | 644,967 | 102,524 | 84,334 | — | 55,795 | 1,110,033 |
| 2015 | 1,058,760 | 166,090 | 138,693 | — | 91,760 | 1,827,595 |
| 2014 | 999,068 | 150,721 | 132,067 | — | 88,387 | 1,765,464 |
| 2013 | 1,650,125 | 263,966 | 217,913 | — | 145,308 | 2,956,322 |
| 2012 | 1,904,743 | 298,631 | 251,535 | — | 167,690 | 3,352,210 |
| 2011 | 2,077,664 | 343,815 | 274,181 | — | 182,785 | 3,699,007 |
| 2010 | 2,106,485 | 323,870 | 277,908 | — | 185,274 | 3,655,039 |
| 2009 | 2,369,393 | 351,019 | 312,379 | — | 208,246 | 4,064,182 |
| 2008 | 2,053,544 | 306,789 | 271,000 | — | 180,754 | 3,532,615 |
| 2007 | 1,123,264 | 169,786 | 148,095 | — | 98,490 | 2,038,643 |
| 2006 | 972,760 | 152,660 | 132,144 | — | 84,972 | 1,855,042 |
| 2005 | 910,900 | 152,281 | 122,027 | — | 81,054 | 1,655,269 |
| 2004 | 1,090,591 | 179,710 | 151,327 | — | 90,384 | 1,954,937 |
| 2003 | 830,852 | 144,150 | 115,307 | — | 71,664 | 1,581,380 |
| 2002 | 730,976 | 125,680 | 100,327 | — | 61,454 | 1,388,440 |
| 2001 | 721,027 | 125,550 | 99,347 | — | 62,384 | 1,388,560 |
| 2000 | 801,659 | 127,290 | 105,458 | — | 76,805 | 1,516,476 |
| 1999 | 791,357 | 127,210 | — | — | 74,825 | 1,395,449 |
| 1998 | 761,230 | 126,000 | — | — | 71,920 | 1,353,140 |
▎ 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.