Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AMERICAN ELECTRIC POWER WELSH PLANT
1187 COUNTY ROAD 1120, PITTSBURG, TX, 75686
Parent company: AMERICAN ELECTRIC POWER
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)) | Ammonia | Hydrogen fluoride | Barium And Barium Compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2024 | 580,978 | — | 51,900 | — | 36,000 | 820,968 |
| 2023 | 500,261 | — | 41,400 | — | 29,000 | 683,855 |
| 2022 | — | — | 49,000 | 510,293 | 34,000 | 717,467 |
| 2021 | — | 990,000 | 46,500 | 700,304 | 33,000 | 1,979,662 |
| 2020 | — | 940,000 | 43,400 | 640,235 | 28,000 | 1,832,812 |
| 2019 | — | 940,000 | 53,700 | 690,306 | 39,000 | 1,935,433 |
| 2018 | — | 1,100,000 | 62,100 | 790,307 | 41,000 | 2,229,139 |
| 2017 | 175,878 | 990,000 | 23,580 | — | 51,040 | 1,482,332 |
| 2016 | 721,040 | 1,000,250 | 56,400 | — | 25,000 | 2,024,176 |
| 2015 | 333,600 | — | 85,900 | — | 34,000 | 546,156 |
| 2014 | 414,010 | — | 112,000 | — | 45,000 | 708,702 |
| 2013 | 406,510 | — | 124,000 | — | 50,000 | 719,683 |
| 2012 | 478,060 | — | 141,000 | — | 56,000 | 835,605 |
| 2011 | 357,810 | — | 150,000 | — | 59,000 | 705,502 |
| 2010 | 637,510 | — | 200,000 | — | 56,000 | 1,108,893 |
| 2009 | 1,017,310 | — | 200,000 | — | 55,000 | 1,609,552 |
| 2008 | 50,110 | — | 180,000 | — | 52,000 | 326,565 |
| 2007 | 485,010 | — | 190,000 | — | 54,000 | 913,006 |
| 2006 | 486,440 | — | 180,000 | — | 52,000 | 886,354 |
| 2005 | 423,027 | — | 180,000 | — | 50,000 | 809,888 |
| 2004 | 522,010 | — | 190,000 | — | 54,000 | 976,371 |
| 2003 | 373,210 | — | 190,000 | — | 54,000 | 787,399 |
| 2002 | 627,010 | — | 190,000 | — | 55,000 | 1,120,820 |
| 2001 | 399,010 | — | 210,000 | — | 51,000 | 861,026 |
| 2000 | 398,140 | — | 200,000 | — | 48,000 | 823,360 |
| 1999 | 2,028,300 | — | 280,000 | — | 95,000 | 2,507,975 |
| 1998 | 1,586,800 | — | 400,000 | — | 690,000 | 2,846,225 |
▎ 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.