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

Year-over-year total releases

Reported on-site TRI releases in pounds, grouped by reporting year.

The 10 chemicals with the highest cumulative on-site releases across all available years.

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))	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
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