Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US ZINC- DUST
6020 ESPERSON ST, HOUSTON, TX, 77011
Parent company: US ZINC CORP
Carcinogen
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 | Zinc compounds | Lead compounds | Aluminum (fume or dust) | Copper compounds | Lead | Total (lbs) |
| 2023 | 2,828 | — | — | — | — | 2,885 |
| 2022 | 6,355 | — | — | — | — | 6,482 |
| 2021 | 15,042 | — | — | — | — | 15,342 |
| 2020 | 16,217 | — | — | 1 | — | 16,541 |
| 2019 | 6,386 | 97 | — | 0 | — | 6,483 |
| 2018 | 2,963 | — | — | — | — | 2,970 |
| 2017 | 500 | 500 | — | 500 | — | 1,500 |
| 2016 | 500 | 500 | — | 500 | — | 1,500 |
| 2015 | 17,117 | 110 | — | — | — | 17,227 |
| 2014 | 25,210 | 114 | — | — | — | 25,324 |
| 2013 | 24,166 | 104 | — | — | — | 24,270 |
| 2012 | 20,305 | 84 | — | — | — | 20,389 |
| 2011 | 23,115 | 101 | — | — | — | 23,216 |
| 2009 | 6,187 | 4 | — | — | — | 6,191 |
| 2008 | 23,659 | 127 | — | — | — | 23,786 |
| 2007 | 24,854 | 139 | — | 1 | — | 24,994 |
| 2006 | 24,590 | 142 | 339 | 1 | — | 25,072 |
| 2005 | 22,916 | 132 | 316 | 1 | — | 23,365 |
| 2004 | 22,099 | 126 | 296 | 1 | — | 22,522 |
| 2003 | 81,155 | 270 | 4 | 5 | — | 81,434 |
| 2002 | 150,038 | 185 | 4 | 10 | — | 150,237 |
| 2001 | 155,674 | 151 | 2 | 1 | — | 155,828 |
| 2000 | 175,882 | 175 | 3 | 2 | — | 176,062 |
| 1999 | 89,132 | 580 | 54 | 19 | — | 89,785 |
| 1998 | 73,651 | 268 | 207 | 26 | — | 74,152 |
| 1997 | 80,156 | 465 | 558 | 248 | — | 81,427 |
| 1996 | 73,685 | 393 | 992 | 41 | — | 75,111 |
| 1995 | 55,181 | 216 | 1,011 | 62 | — | 56,470 |
| 1994 | 417,683 | 8,501 | — | 344 | — | 426,528 |
| 1993 | 14,179 | 366 | — | 32 | — | 14,577 |
| 1992 | 60,657 | 1,751 | — | 655 | — | 63,063 |
| 1991 | 65,504 | 1,891 | — | 694 | — | 68,089 |
| 1990 | 23,391 | — | — | — | — | 23,391 |
| 1989 | 18,250 | — | — | — | 1,000 | 20,250 |
| 1988 | — | — | — | — | 1,300 | 1,550 |
| 1987 | — | — | — | — | — | 120 |
▎ 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.