Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GM POWERTRAIN WILLOW RUN
2930 ECORSE ROAD M/C 481-700-130, YPSILANTI, MI, 481970935
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 | Methanol | Ethylene glycol | Ammonia | Freon 113 (CFC-113) | Xylene (mixed isomers) | Total (lbs) |
| 2010 | — | — | — | — | — | 89 |
| 2009 | — | — | — | — | — | 120 |
| 2008 | — | — | — | — | — | 297 |
| 2007 | — | — | 3,120 | — | — | 3,393 |
| 2006 | — | — | 3,140 | — | — | 3,428 |
| 2005 | — | — | 2,900 | — | — | 3,209 |
| 2004 | — | — | — | — | — | 267 |
| 2003 | — | — | 3,200 | — | — | 3,657 |
| 2002 | 23,000 | — | — | — | — | 23,129 |
| 2001 | — | — | — | — | — | 253 |
| 2000 | — | — | — | — | — | 241 |
| 1999 | — | — | — | — | — | 70 |
| 1998 | — | — | — | — | — | 36 |
| 1997 | — | — | — | — | — | 38 |
| 1996 | — | — | — | — | — | 232 |
| 1995 | — | — | — | — | — | 92 |
| 1994 | — | — | 900 | — | — | 1,081 |
| 1993 | — | — | 905 | — | — | 905 |
| 1992 | — | — | 906 | — | — | 1,086 |
| 1991 | — | — | 900 | — | 5,136 | 9,218 |
| 1990 | — | 250 | 755 | 6,200 | 500 | 10,516 |
| 1989 | — | — | 556 | — | 69 | 1,341 |
| 1988 | — | — | — | — | 110 | 1,210 |
| 1987 | — | 20,000 | 200 | — | — | 21,983 |
▎ 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.