Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TRINITY HEADS INC. PLT 56
11765 HWY 6, NAVASOTA, TX, 77868
Parent company: TRINITY INDUSTRIES INC
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 | Manganese | Chromium | Nickel | Total (lbs) | ||
| 2024 | 36 | 68 | 53 | 157 | ||
| 2023 | 55 | 67 | — | 122 | ||
| 2022 | 65 | 125 | — | 190 | ||
| 2021 | 32 | 54 | — | 86 | ||
| 2020 | 160 | 278 | — | 438 | ||
| 2019 | 160 | 278 | 221 | 659 | ||
| 2018 | 117 | 212 | 169 | 498 | ||
| 2017 | 112 | 216 | 172 | 500 | ||
| 2016 | 99 | 194 | 152 | 445 | ||
| 2015 | 255 | 255 | 255 | 765 | ||
| 2014 | 255 | 255 | 255 | 765 | ||
| 2013 | 255 | 255 | 255 | 765 | ||
| 2012 | 255 | — | — | 255 | ||
| 2011 | 260 | 260 | 260 | 780 | ||
| 2010 | 260 | 260 | 15 | 535 | ||
| 2009 | 260 | 260 | 260 | 780 | ||
| 2008 | 260 | 260 | 260 | 780 | ||
| 2007 | 510 | 260 | 260 | 1,030 | ||
| 2006 | 260 | 260 | 260 | 780 | ||
| 2005 | 260 | 260 | 260 | 780 | ||
| 2004 | 260 | 260 | 260 | 780 | ||
| 2003 | 760 | — | — | 760 | ||
| 2002 | 255 | 255 | 255 | 765 | ||
| 2001 | 255 | 255 | 255 | 765 | ||
| 2000 | 20 | 255 | 10 | 285 | ||
▎ 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.