Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CATERPILLAR INC MAPLETON PLANT
8826 W RT 24, MAPLETON, IL, 61547
Parent company: CATERPILLAR INC
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Triethylamine | 1,1,1-Trichloroethane | Cumene | Total (lbs) |
| 2024 | — | — | — | — | — | 17,278 |
| 2023 | — | — | — | — | — | 40,577 |
| 2022 | — | 257,568 | — | — | — | 275,033 |
| 2021 | — | 148,001 | 9,660 | — | — | 172,186 |
| 2020 | 53,092 | — | 3,570 | — | — | 62,748 |
| 2019 | — | 119,418 | 16,546 | — | — | 164,275 |
| 2018 | 169,321 | — | 5,880 | — | — | 192,539 |
| 2017 | 87,003 | — | 6,240 | — | — | 112,832 |
| 2016 | 43,938 | — | 3,640 | — | — | 48,555 |
| 2015 | 75,250 | — | 2,680 | — | — | 80,022 |
| 2014 | 99,795 | — | 3,640 | — | — | 114,980 |
| 2013 | 131,165 | — | 2,040 | — | — | 171,981 |
| 2012 | 259,385 | — | 2,540 | — | — | 311,704 |
| 2011 | 300,101 | — | 1,760 | — | — | 348,436 |
| 2010 | 131,927 | — | 1,780 | — | — | 156,877 |
| 2009 | 82,354 | — | 1,280 | — | — | 97,544 |
| 2008 | 157,350 | — | 3,900 | — | 21,085 | 267,379 |
| 2007 | 178,711 | — | 2,620 | — | 29,836 | 248,659 |
| 2006 | 215,448 | — | 6,120 | — | 75,123 | 315,951 |
| 2005 | 217,610 | — | 34,260 | — | 62,508 | 332,409 |
| 2004 | 55,384 | — | 32,620 | — | — | 109,332 |
| 2003 | 38,580 | — | 32,360 | — | — | 136,415 |
| 2002 | 27,400 | — | 24,660 | — | — | 52,815 |
| 2001 | 135,000 | — | 21,960 | — | — | 157,715 |
| 2000 | 263,000 | — | 27,640 | — | — | 293,990 |
| 1999 | 179,000 | — | 17,600 | — | — | 230,280 |
| 1998 | 64,000 | — | 13,800 | — | — | 99,250 |
| 1997 | 174,000 | — | 12,200 | 13,000 | — | 200,700 |
| 1996 | 223,000 | — | 10,600 | 8,950 | — | 244,366 |
| 1995 | 253,000 | — | 58,600 | 25,000 | — | 337,600 |
| 1994 | 228,000 | — | — | 37,060 | — | 266,060 |
| 1993 | 175,000 | — | — | 27,860 | — | 204,110 |
| 1992 | 100,500 | — | — | 20,660 | — | 121,915 |
| 1991 | — | — | — | 30,700 | — | 31,700 |
| 1990 | — | — | — | 28,000 | — | 29,000 |
| 1989 | — | — | — | 65,000 | — | 66,600 |
| 1988 | — | — | — | 23,400 | — | 23,650 |
| 1987 | — | — | — | — | — | 1,000 |
▎ 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.