Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHWEST PIPE CO
201 N BERRY ST, BREA, CA, 92821
Parent company: NORTHWEST PIPE CO
Carcinogen
— EPA classifications across all reporting years
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 | Acetone | Di(2-ethylhexyl) phthalate | Xylene (mixed isomers) | Toluene | Methyl isobutyl ketone | Total (lbs) |
| 2019 | — | 373 | — | — | — | 373 |
| 2018 | — | 684 | — | — | — | 684 |
| 2017 | — | 1,344 | — | — | — | 1,344 |
| 2016 | — | 1,054 | — | — | — | 1,054 |
| 2015 | — | 1,034 | — | — | — | 1,034 |
| 2014 | — | 1,071 | — | — | — | 1,071 |
| 2013 | — | 1,378 | — | — | — | 1,378 |
| 2012 | — | 1,431 | — | — | — | 1,431 |
| 2011 | — | 2,149 | — | — | — | 2,149 |
| 2010 | — | 2,416 | — | — | — | 2,416 |
| 2009 | — | 2,809 | — | — | — | 2,809 |
| 2008 | — | 3,145 | — | — | — | 3,145 |
| 2007 | — | 3,515 | — | — | — | 3,515 |
| 2006 | — | 3,780 | — | — | — | 3,780 |
| 2005 | — | 4,064 | — | — | — | 4,064 |
| 2004 | — | 1,704 | — | — | — | 1,704 |
| 2003 | — | 3,629 | — | — | — | 3,629 |
| 2002 | — | 2,859 | — | — | — | 2,859 |
| 2001 | — | 2,842 | — | — | — | 2,842 |
| 2000 | — | 2,639 | — | — | — | 2,639 |
| 1999 | — | 3,014 | — | — | — | 3,014 |
| 1995 | — | 710 | — | — | — | 710 |
| 1994 | — | 684 | 377 | 54 | — | 1,186 |
| 1993 | 12,400 | 2,267 | 4,300 | 4,000 | — | 22,967 |
| 1992 | 18,400 | 2,249 | 3,500 | 5,800 | — | 30,789 |
| 1991 | 18,300 | 3,229 | 3,000 | 5,900 | 1,330 | 34,489 |
| 1990 | 28,118 | 2,733 | 7,204 | 6,665 | 1,906 | 46,876 |
| 1989 | 18,926 | 2,707 | 6,836 | 4,276 | 1,000 | 33,995 |
| 1988 | — | 2,818 | 5,215 | — | — | 9,358 |
| 1987 | 6,908 | — | — | — | — | 6,908 |
▎ 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.