Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTHWEST PIPE CO
509 BURLINGTON DR, SAGINAW, TX, 76179
Parent company: NORTHWEST PIPE CO
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Manganese | Total |
|---|---|---|
| 2019 | 19 | 19 |
| 2018 | 10 | 10 |
| 2017 | 10 | 10 |
| 2016 | 18 | 18 |
| 2015 | 32 | 32 |
| 2014 | 33 | 33 |
| 2013 | 535 | 535 |
| 2012 | 9 | 9 |
| 2011 | 86 | 86 |
| 2010 | 38 | 38 |
| 2009 | 7 | 7 |
| 1990 | 1,065 | 1,065 |