Facility detail

OTTUMWA GENERATING STATION

20775 POWER PLANT RD, OTTUMWA, IA, 52501

Parent company: ALLIANT ENERGY CORP

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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Hydrogen fluoride	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Total
2024	—	1,184	2,570	430	24,497	29,095
2023	4,392	—	4,170	698	67,734	79,415
2022	4,607	1,163	4,431	743	71,446	83,115
2021	5,581	2,213	5,316	890	106,617	121,816
2020	3,565	12,338	3,304	553	44,911	67,063
2019	5,195	166,189	4,957	7,076	39,183	243,201
2018	4,844	238,992	4,625	15,380	8,156	311,186
2017	5,104	278,906	4,955	16,493	—	337,093
2016	4,681	186,896	4,507	14,995	—	233,456
2015	135	166,565	1,667	162,136	—	349,960
2014	46,010	123,734	14,309	4,174	—	209,265
2013	37,802	67,739	18,064	5,270	—	140,711
2012	27,111	6,037	15,826	—	—	50,369
2011	10,640	6,463	82,853	—	—	101,909
2010	20,941	2,669	84,546	—	—	110,435
2009	89,079	7,940	96,322	—	—	196,174
2008	100,735	8,873	108,966	12,027	—	233,784
2007	90,592	4,308	97,781	—	—	196,315
2006	97,452	4,319	107,397	—	—	211,893
2005	71,715	2,590	86,471	—	—	166,303
2004	95,809	10,137	87,500	24,666	—	224,713
2003	100,600	7,241	116,860	28,301	—	261,564
2002	445,963	3,888	98,973	27,702	—	583,158
2001	131,000	3,621	—	30,087	—	171,436
2000	136,248	12,616	—	31,362	—	186,879
1999	130,000	11,070	—	31,000	—	177,445
1998	150,000	12,080	—	34,000	—	201,670