Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TWIN STATE INC
3631 POLZIN RD, JANESVILLE, WI, 53548
Parent company: TWIN STATE INC
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 | Ammonia | Phosphoric acid | Total (lbs) | |||
| 2024 | 8,325 | — | 8,325 | |||
| 2023 | 12,300 | — | 12,300 | |||
| 2022 | 7,320 | — | 7,320 | |||
| 2021 | 8,730 | — | 8,730 | |||
| 2020 | 9,615 | — | 9,615 | |||
| 2019 | 8,160 | — | 8,160 | |||
| 2018 | 9,000 | — | 9,000 | |||
| 2017 | 3,075 | — | 3,075 | |||
| 2016 | 4,125 | — | 4,125 | |||
| 2015 | 13,080 | — | 13,080 | |||
| 2014 | 5,280 | — | 5,280 | |||
| 2013 | 7,200 | — | 7,200 | |||
| 2012 | 8,100 | — | 8,100 | |||
| 2011 | 7,800 | — | 7,800 | |||
| 2010 | 9,450 | — | 9,450 | |||
| 2009 | 4,950 | — | 4,950 | |||
| 2008 | 3,510 | — | 3,510 | |||
| 2007 | 6,450 | — | 6,450 | |||
| 2006 | 6,970 | — | 6,970 | |||
| 2005 | 7,185 | — | 7,185 | |||
| 2004 | 4,560 | — | 4,560 | |||
| 2003 | 7,290 | — | 7,290 | |||
| 2002 | 7,605 | — | 7,605 | |||
| 2000 | 7,245 | — | 7,245 | |||
| 1999 | 150 | — | 150 | |||
| 1998 | 4,160 | — | 4,160 | |||
| 1997 | 3,440 | — | 3,440 | |||
| 1996 | 150 | 100 | 250 | |||
| 1995 | 150 | 100 | 250 | |||
| 1994 | 150 | 100 | 250 | |||
| 1993 | 150 | 100 | 250 | |||
▎ 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.