Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
H-D MOTOR CO-TOMAHAWK SOMO
426 E SOMO AVE, TOMAHAWK, WI, 54487
Parent company: HARLEY-DAVIDSON MOTOR CO
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 | Acetone | Xylene (mixed isomers) | Methyl ethyl ketone | Toluene | n-Butyl alcohol | Total (lbs) |
| 2023 | — | 6,703 | — | — | — | 14,819 |
| 2021 | — | — | — | — | 3,772 | 14,010 |
| 2020 | — | — | — | — | 5,409 | 5,409 |
| 2019 | — | — | — | — | 6,980 | 6,980 |
| 2018 | — | — | — | — | 8,892 | 8,892 |
| 2017 | — | — | — | — | 9,150 | 9,150 |
| 2016 | — | — | — | — | 8,736 | 8,736 |
| 2015 | — | — | — | — | 6,938 | 6,938 |
| 2014 | — | — | — | — | 9,195 | 9,195 |
| 2013 | — | — | — | — | 13,152 | 13,152 |
| 2012 | — | — | — | — | 9,377 | 9,377 |
| 2011 | — | — | — | — | 9,454 | 9,454 |
| 2008 | — | 8,661 | — | — | — | 8,661 |
| 2007 | — | 12,088 | — | — | — | 12,088 |
| 2006 | — | 11,915 | — | — | — | 11,915 |
| 2005 | — | 10,303 | — | — | — | 10,565 |
| 2004 | — | — | — | — | — | 104 |
| 2003 | — | 9,860 | — | — | — | 18,442 |
| 2002 | — | 7,987 | — | 5,835 | — | 24,259 |
| 2001 | — | 13,171 | 9,157 | 24,180 | — | 63,411 |
| 2000 | — | 10,910 | 6,225 | 60,015 | — | 91,897 |
| 1999 | — | 19,217 | 12,810 | 23,194 | 10,153 | 65,374 |
| 1998 | — | 17,600 | 14,750 | — | 10,903 | 43,253 |
| 1997 | — | 14,000 | 22,000 | 10,000 | — | 46,284 |
| 1996 | — | 15,707 | 25,371 | 15,495 | — | 76,525 |
| 1995 | — | 11,853 | 22,113 | 12,459 | — | 69,643 |
| 1994 | — | 16,595 | 27,705 | — | — | 55,905 |
| 1993 | 71,518 | 10,595 | 11,475 | — | — | 106,330 |
| 1992 | 29,256 | 18,004 | — | — | — | 47,260 |
| 1991 | 83,410 | — | — | — | — | 83,410 |
| 1990 | 106,929 | — | — | — | — | 106,929 |
| 1989 | 38,000 | 750 | — | — | — | 38,750 |
▎ 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.