Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GENERAL MOTORS LLC ORION ASSEMBLY CENTER
4555 GIDDINGS RD, LAKE ORION, MI, 48359
Parent company: GENERAL MOTORS LLC
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 | Methyl isobutyl ketone | Xylene (mixed isomers) | Acetone | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Certain glycol ethers | Total (lbs) |
| 2023 | 85 | 297 | — | — | 16,600 | 32,502 |
| 2022 | — | — | — | — | 9,400 | 52,296 |
| 2021 | — | — | — | — | 6,600 | 54,168 |
| 2020 | — | — | — | — | 7,400 | 32,574 |
| 2019 | — | 1,335 | — | — | 8,500 | 45,949 |
| 2018 | — | 1,815 | — | — | 9,600 | 55,671 |
| 2017 | — | 1,730 | — | — | 11,100 | 62,276 |
| 2016 | — | 3,945 | — | — | 5,100 | 91,350 |
| 2015 | — | 7,010 | — | — | 6,700 | 138,639 |
| 2014 | — | 8,100 | — | — | 7,200 | 111,439 |
| 2013 | — | 8,200 | — | — | 7,400 | 113,532 |
| 2012 | — | 9,100 | — | — | 9,100 | 129,789 |
| 2011 | — | 1,850 | — | — | 3,500 | 49,507 |
| 2010 | — | — | — | — | — | 1,510 |
| 2009 | — | 6,540 | — | — | 14,600 | 122,023 |
| 2008 | — | 28,000 | — | 47,000 | 14,000 | 300,446 |
| 2007 | 6,600 | 50,800 | — | 27,000 | 8,600 | 225,879 |
| 2006 | 22,000 | 161,000 | — | 29,000 | 15,200 | 385,488 |
| 2005 | 16,000 | 157,000 | — | 30,000 | 13,200 | 345,520 |
| 2004 | 13,000 | 100,000 | — | — | 11,700 | 216,734 |
| 2003 | 16,000 | 106,000 | — | — | 33,000 | 272,957 |
| 2002 | 22,000 | 163,000 | — | 29,000 | 42,000 | 430,284 |
| 2001 | 29,019 | 187,000 | — | 34,000 | 46,000 | 381,086 |
| 2000 | 59,100 | 295,000 | — | 39,000 | 86,000 | 626,660 |
| 1999 | 63,900 | 233,000 | — | 51,000 | 57,000 | 500,698 |
| 1998 | 56,150 | 213,800 | — | 94,000 | 42,200 | 507,437 |
| 1997 | 135,700 | 347,400 | — | 120,000 | 80,700 | 850,282 |
| 1996 | 51,937 | 263,987 | — | 125,705 | 63,805 | 601,972 |
| 1995 | 187,942 | 467,152 | — | 125,705 | 74,150 | 980,859 |
| 1994 | 787,000 | 130,000 | — | 130,000 | 52,400 | 1,178,513 |
| 1993 | 522,000 | 77,000 | 325,194 | 110,000 | 45,200 | 1,131,503 |
| 1992 | 733,000 | 160,000 | 384,000 | 110,000 | 276,000 | 1,851,129 |
| 1991 | 1,048,000 | 121,000 | 490,000 | 100,092 | 5,300 | 1,922,642 |
| 1990 | 950,000 | 101,000 | 470,000 | 100,250 | 3,700 | 1,741,620 |
| 1989 | 77,000 | 272,000 | 107,000 | 120,200 | 23,900 | 808,520 |
| 1988 | — | 237,250 | — | 110,110 | — | 359,110 |
| 1987 | — | — | 31,762 | — | — | 537,451 |
▎ 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.