Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEOKUK STEEL CASTINGS
3972 MAIN ST, KEOKUK, IA, 52632
Parent company: MILLS GROUP LLC
Carcinogen
— 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 | Phenol | 1,2,4-Trimethylbenzene | Naphthalene | Formaldehyde | Xylene (mixed isomers) | Total (lbs) |
| 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 |
▎ 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.