Facility detail

ONYX SPECIALTY PAPERS INC. - WILLOW MILL

40 WILLOW ST, SOUTH LEE, MA, 01260

Parent company: NA

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Formaldehyde Formic acid Polycyclic aromatic compounds Total (lbs)
2024 25,536 782 — 26,318
2023 23,730 646 — 24,376
2022 27,050 748 — 27,798
2021 29,103 697 — 29,800
2020 21,668 510 — 22,178
2019 29,592 731 — 30,323
2018 33,128 646 — 33,774
2017 33,920 527 — 34,447
2016 30,202 476 — 30,678
2015 37,954 — — 37,954
2014 68,406 — — 68,406
2013 8,493 — — 8,493
2012 8,080 — 0 8,080
2011 9,226 — 0 9,226
2010 9,150 — 0 9,150
2009 6,234 — 0 6,234
2008 8,140 — 0 8,140
2007 7,964 — 0 7,965
2006 8,097 — — 8,097
2005 8,067 — — 8,067
2004 9,231 — — 9,231
2003 4,431 — — 4,431
2002 7,057 — 0 7,057
2001 8,847 — 0 8,847
2000 11,720 — 0 11,720
1999 26,183 — — 26,183
1998 70,929 — — 70,929
1997 68,755 — — 68,755
1996 78,118 — — 78,118
1995 75,563 — — 75,563

▎ 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.