Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
9300 COUNTY HWY S, TOMAHAWK, WI, 54487
Parent company: LOUISIANA PACIFIC CORP
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Methanol | Formaldehyde | Acetaldehyde | Zinc compounds | Diisocyanates | Total |
|---|---|---|---|---|---|---|
| 2024 | 12,673 | 14,696 | 3,404 | 1,309 | 711 | 32,793 |
| 2023 | 12,471 | 14,489 | 3,328 | 1,320 | 702 | 32,310 |
| 2022 | 15,131 | 17,572 | 4,019 | 1,535 | 853 | 39,110 |
| 2021 | 14,201 | 16,568 | 3,833 | 1,433 | 799 | 36,834 |
| 2020 | 13,271 | 15,213 | 3,617 | 1,307 | 745 | 34,153 |
| 2019 | 13,689 | 16,063 | 3,659 | 1,507 | 767 | 35,685 |
| 2018 | 13,068 | 15,513 | 3,568 | 1,295 | 745 | 34,237 |
| 2017 | 13,732 | 14,767 | — | 1,134 | 719 | 30,352 |
| 2016 | 11,462 | 13,849 | — | 1,138 | 686 | 27,135 |
| 2015 | 9,855 | — | — | 993 | 562 | 11,410 |
| 2014 | — | — | — | 996 | 2,339 | 3,335 |
| 2013 | — | — | — | 1,253 | 2,787 | 4,040 |
| 2012 | — | — | — | 1,114 | 2,346 | 3,460 |
| 2011 | — | — | — | 975 | 2,045 | 3,020 |
| 2010 | — | — | — | 905 | 1,932 | 2,837 |
| 2009 | — | — | — | 763 | 1,748 | 2,511 |
| 2008 | — | — | — | 1,031 | 2,410 | 3,441 |
| 2007 | — | — | — | 854 | 2,168 | 3,035 |
| 2006 | 34,210 | — | — | 1,052 | 2,659 | 37,938 |
| 2005 | 28,977 | — | — | 949 | 992 | 30,935 |
| 2004 | 29,567 | — | — | 983 | 999 | 31,568 |
| 2003 | 28,193 | — | — | 994 | 943 | 30,149 |
| 2002 | 29,262 | — | — | 479 | 975 | 30,716 |
| 2001 | 53,770 | 45,023 | 28,125 | 1,400 | 877 | 129,195 |
| 2000 | 49,760 | 19,220 | — | 1,280 | 842 | 71,102 |
| 1999 | 54,000 | 19,140 | — | 2,600 | 750 | 76,490 |
| 1998 | 34,396 | 20,260 | — | 5,224 | 638 | 60,518 |
| 1997 | 20,280 | — | — | 3,298 | 429 | 24,007 |
| 1996 | 105,100 | — | — | 520 | 1,506 | 107,126 |
| 1995 | 103,500 | — | — | — | 256 | 103,756 |
| 1994 | — | — | — | — | — | 248 |
| 1993 | — | — | — | — | — | 121 |