Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MASONITE WAHPETON
2441 N 15TH ST, WAHPETON, ND, 58075
Parent company: OWENS CORNING
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 | Diisocyanates | Total (lbs) | ||||
| 2024 | 26 | 26 | ||||
| 2023 | 26 | 26 | ||||
| 2022 | 28 | 28 | ||||
| 2021 | 45 | 45 | ||||
| 2020 | 5 | 5 | ||||
| 2019 | 12 | 12 | ||||
| 2018 | 42 | 42 | ||||
| 2017 | 42 | 42 | ||||
| 2016 | 44 | 44 | ||||
| 2015 | 83 | 83 | ||||
| 2014 | 32 | 32 | ||||
| 2013 | 30 | 30 | ||||
| 2005 | 32 | 32 | ||||
| 2004 | 39 | 39 | ||||
| 2003 | 42 | 42 | ||||
| 2002 | 60 | 60 | ||||
| 2001 | 63 | 63 | ||||
| 2000 | 59 | 59 | ||||
▎ 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.