Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
USGYPSUM CO GALENA PARK
1201 MAYO SHELL RD, GALENA PARK, TX, 77547
Parent company: USG CORP
PBT
— 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 | Sodium hydroxide (solution) | Zinc compounds | Mercury compounds | Mercury And Mercury Compounds | Lead compounds | Total (lbs) |
| 2024 | — | 49 | — | 21 | — | 71 |
| 2023 | — | 224 | — | 23 | — | 247 |
| 2022 | — | 337 | — | 27 | — | 365 |
| 2021 | — | 423 | 27 | — | 3 | 453 |
| 2020 | — | 119 | — | 26 | 2 | 148 |
| 2019 | — | 368 | 26 | — | 3 | 397 |
| 2018 | — | 342 | 25 | — | 7 | 374 |
| 2017 | — | 965 | 24 | — | 8 | 997 |
| 2016 | — | — | 24 | — | 13 | 37 |
| 2015 | — | — | 19 | — | 10 | 29 |
| 2014 | — | — | 21 | — | 4 | 25 |
| 2013 | — | — | 1 | — | 4 | 4 |
| 2012 | — | — | 1 | — | 3 | 3 |
| 2011 | — | — | 0 | — | 2 | 3 |
| 2010 | — | — | 0 | — | 3 | 3 |
| 2009 | — | — | 1 | — | 3 | 3 |
| 2008 | — | — | 1 | — | — | 1 |
| 2007 | — | — | 1 | — | — | 1 |
| 1988 | 11,600 | — | — | — | — | 11,600 |
▎ 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.