Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
31972 HIGHWAY 25, WILSONVILLE, AL, 35186
Parent company: SOUTHERN CO
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Vanadium compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | 12,000 | — | 7,700 | 8,200 | 77 | 37,614 |
| 2023 | 14,000 | — | 4,100 | 6,000 | 85 | 37,608 |
| 2022 | 15,000 | — | 10,000 | 7,900 | 110 | 50,528 |
| 2021 | 65,000 | — | 12,000 | 18,000 | 130 | 120,770 |
| 2020 | 14,000 | 3,170 | 4,300 | 6,400 | 120 | 36,702 |
| 2019 | 84,000 | 2,950 | 15,000 | 8,900 | 330 | 123,490 |
| 2018 | 300,000 | 18,754 | 35,000 | 14,000 | 7,370 | 419,658 |
| 2017 | 300,000 | 15,140 | 41,000 | 8,700 | 5,620 | 411,006 |
| 2016 | 640,000 | 10,975 | 24,000 | 17,000 | 3,150 | 738,016 |
| 2015 | 2,300,001 | 59,656 | 740,000 | 90,003 | 21,632 | 3,353,061 |
| 2014 | 3,000,000 | 229,222 | 310,000 | 120,000 | 56,290 | 3,983,627 |
| 2013 | 1,100,000 | 583,100 | 240,000 | 130,000 | 121,100 | 2,604,716 |
| 2012 | 880,000 | 994,905 | 340,000 | 220,000 | 150,940 | 3,184,190 |
| 2011 | 1,200,000 | 1,819,500 | 480,000 | 330,000 | 281,600 | 5,196,081 |
| 2010 | 860,000 | 1,310,308 | 520,000 | 260,000 | 210,960 | 3,991,074 |
| 2009 | 2,900,000 | 1,013,857 | 500,000 | 450,000 | 181,100 | 5,717,194 |
| 2008 | 4,200,000 | 1,612,700 | 760,000 | 660,000 | 231,000 | 8,404,478 |
| 2007 | 3,200,000 | 1,716,201 | 860,000 | 900,000 | 271,600 | 7,966,027 |
| 2006 | 3,300,000 | 1,311,711 | 770,000 | 930,000 | 220,991 | 7,353,963 |
| 2005 | 2,100,000 | 1,809,122 | 720,000 | 810,000 | 360,772 | 6,942,187 |
| 2004 | 2,000,000 | 2,416,712 | 1,100,000 | 840,000 | 441,201 | 8,279,808 |
| 2003 | 3,447,051 | 1,814,055 | 1,172,587 | 698,072 | 450,936 | 9,037,143 |
| 2002 | 4,832,159 | 2,329,865 | 1,113,249 | 690,023 | 530,632 | 11,173,456 |
| 2001 | 2,754,232 | 2,483,606 | 1,040,252 | 883,162 | 487,657 | 9,160,580 |
| 2000 | 1,998,262 | 2,756,797 | 997,354 | 994,354 | 493,496 | 8,731,721 |
| 1999 | 1,719,617 | 2,083,163 | 965,994 | 844,593 | — | 6,869,109 |
| 1998 | 2,112,419 | 2,053,273 | 971,388 | 959,594 | — | 7,370,304 |