Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
741 MASON ST, STEVENS POINT, WI, 54481
Parent company: KOCH INDUSTRIES INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Polycyclic aromatic compounds | Lead | Benzo[g,h,i]perylene | Total (lbs) | |
| 2018 | — | 1 | 0 | 0 | 1 | |
| 2017 | — | 1 | 0 | 0 | 1 | |
| 2016 | — | 1 | 0 | 0 | 1 | |
| 2015 | — | 1 | 0 | 0 | 2 | |
| 2014 | — | 1 | 0 | 0 | 2 | |
| 2013 | — | 1 | 0 | 0 | 2 | |
| 2012 | — | 2 | 0 | 0 | 3 | |
| 2011 | — | 1 | 0 | 0 | 2 | |
| 1993 | 250 | — | — | — | 250 | |
| 1992 | 250 | — | — | — | 250 | |
| 1991 | 250 | — | — | — | 250 | |
| 1990 | 10 | — | — | — | 10 | |
| 1989 | 500 | — | — | — | 500 | |
▎ 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.