Facility detail

KEOKUK STEEL CASTINGS

3972 MAIN ST, KEOKUK, IA, 52632

Parent company: MILLS GROUP LLC

Carcinogen — 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	Phenol	1,2,4-Trimethylbenzene	Naphthalene	Formaldehyde	Xylene (mixed isomers)	Total
2024	—	—	12,904	—	—	14,183
2023	—	—	11,494	—	—	12,702
2022	—	—	—	—	—	975
2021	—	—	—	—	—	59
2020	—	—	—	—	—	512
2019	—	—	—	—	—	467
2018	—	—	—	—	—	1,754
2017	—	—	—	—	—	14
2016	—	—	—	—	—	154
2015	8,400	—	—	—	—	9,898
2014	17,600	—	700	—	—	20,893
2013	16,100	800	1,400	—	—	19,796
2012	17,600	910	1,720	—	—	27,018
2011	5,410	—	510	—	—	13,204
2010	4,110	—	1,610	—	—	11,575
2009	2,820	8,900	1,130	—	—	17,075
2008	15,140	14,835	420	—	—	35,113
2007	10,820	14,597	—	—	—	30,441
2006	9,630	17,110	280	—	—	32,445
2005	16,299	18,651	400	—	—	40,725
2004	11,320	14,504	341	—	—	30,446
2003	43,000	250	—	—	—	44,010
2002	255	—	—	—	—	824
2001	255	—	—	—	—	765
2000	1,149	2,472	2,130	—	—	6,478
1999	95	—	463	—	—	1,051
1998	1,050	—	23,450	—	—	102,840
1997	7,720	15,700	52,100	—	—	91,175
1996	7,660	32,675	38,350	—	10,940	102,877
1995	7,280	32,770	32,800	—	—	84,555
1994	6,600	116,700	—	—	40,600	190,945
1993	4,720	84,000	—	—	29,500	137,635
1992	39,200	—	—	15,600	—	59,900
1991	62,100	—	—	23,800	—	93,200
1990	76,200	—	—	35,600	—	119,450
1989	89,150	—	—	42,200	—	139,900
1987	—	—	—	23,150	—	23,150