Facility detail

JOHNS MANVILLE

5916 COUNTY ROAD 48, WILLOWS, CA, 95988

Parent company: BERKSHIRE HATHAWAY INC

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 Ammonia Formaldehyde Phenol Styrene Methanol Total (lbs)
2024 — — — 34,400 — 36,253
2023 — — — 30,232 — 32,078
2022 — — — 33,161 — 35,015
2021 — — — 25,468 — 25,481
2020 — — — 33,250 — 33,263
2019 — — — 33,006 — 33,019
2018 — — — — — 94
2017 — — — — — 1
2016 — — — — — 1
2015 — — — — — 1
2014 — — — — — 22
2013 — — — — — 21
2012 — — — — — 1
2011 — — — — — 6
2010 — — — — — 11
2009 — — — — — 9
2008 — — — — — 11
2007 — — — — — 29
2006 — — — — — 56
2005 — — — — — 10
2004 — — — — — 10
2003 — — — — — 10
2002 44,429 15,276 2,806 — — 62,521
2001 428,363 81,805 27,755 — — 537,933
2000 417,041 84,096 26,980 — — 528,127
1999 400,311 88,914 28,773 — — 518,008
1998 229,408 94,345 17,232 — — 340,995
1997 231,680 83,219 28,630 — — 343,539
1996 371,653 71,650 27,445 — 96,516 567,274
1995 282,400 67,500 29,000 — — 378,910
1994 234,000 43,700 19,750 — — 297,460
1993 174,000 52,400 16,250 — — 252,665
1992 81,300 12,000 7,750 — — 108,075
1991 44,400 63,600 98,300 — — 209,525
1990 63,749 95,600 147,580 — — 310,334
1989 106,132 69,152 106,752 — — 285,806
1988 — — 1,596 — — 1,596
1987 122,148 — — — — 122,148

▎ 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.