Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALCOA WORLD ALUMINA LLC
STATE HWY 35, POINT COMFORT, TX, 77978
Parent company: ALCOA 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 | Aluminum oxide (fibrous forms) | Sodium hydroxide (solution) | Lead compounds | Hydrogen fluoride | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2023 | — | — | — | — | — | 1 |
| 2022 | — | — | 1 | — | — | 1 |
| 2021 | — | — | — | — | — | 3 |
| 2020 | — | — | 1 | — | — | 1 |
| 2016 | — | — | 29,588 | — | — | 31,152 |
| 2015 | — | — | 230,897 | — | — | 235,631 |
| 2014 | — | — | 224,980 | — | — | 229,453 |
| 2013 | — | — | 208,736 | — | — | 215,480 |
| 2012 | — | — | 184,240 | — | — | 188,280 |
| 2011 | — | — | 198,101 | — | — | 199,796 |
| 2010 | — | — | 177,106 | — | — | 178,771 |
| 2009 | — | — | 103,821 | — | — | 104,538 |
| 2008 | — | — | 227,749 | 13,594 | — | 243,109 |
| 2007 | — | — | 241,951 | 18,628 | — | 262,211 |
| 2006 | — | — | 261,532 | 22,356 | — | 285,817 |
| 2005 | — | — | 255,590 | 24,497 | — | 281,808 |
| 2004 | — | — | 255,252 | 26,317 | — | 283,255 |
| 2003 | — | — | 232,868 | 420 | — | 235,100 |
| 2002 | — | — | 167,809 | 246 | — | 169,925 |
| 2001 | — | — | 147,659 | 106 | — | 149,105 |
| 2000 | — | — | — | 179 | — | 2,799 |
| 1999 | — | — | — | 162 | — | 162 |
| 1998 | — | — | — | 223 | — | 223 |
| 1997 | — | — | — | 911 | — | 911 |
| 1996 | — | — | — | 961 | — | 961 |
| 1995 | — | — | — | 974 | — | 1,046 |
| 1994 | — | — | — | 399 | — | 458 |
| 1993 | — | — | — | 546 | 1,405 | 2,086 |
| 1992 | — | — | — | 903 | 6,505 | 8,513 |
| 1991 | — | — | — | 1,640 | 8,210 | 10,855 |
| 1990 | — | — | — | 3,550 | 12,250 | 19,605 |
| 1989 | — | — | — | 9,250 | 12,250 | 30,250 |
| 1988 | 3,910,000 | 5,200,000 | — | — | — | 9,110,750 |
| 1987 | 360,960,000 | — | — | — | — | 360,960,000 |
▎ 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.