Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1627 STATE RT 3543, HAWESVILLE, KY, 42348
Parent company: CENTURY ALUMINUM 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 | Carbonyl sulfide | Hydrogen fluoride | Polycyclic aromatic compounds | Naphthalene | Chlorine | Total |
|---|---|---|---|---|---|---|
| 2022 | 282,827 | 140,904 | 5,732 | 74,266 | — | 506,887 |
| 2021 | 528,964 | 333,739 | 10,017 | 126,716 | — | 1,004,810 |
| 2020 | 506,597 | 180,430 | 11,227 | 161,610 | — | 865,353 |
| 2019 | 455,364 | 111,724 | 11,257 | — | — | 582,871 |
| 2018 | 313,320 | 73,100 | 5,130 | — | — | 392,035 |
| 2017 | 276,364 | 86,084 | 3,700 | — | — | 366,538 |
| 2016 | 302,487 | 88,181 | 5,154 | — | — | 396,234 |
| 2015 | 606,400 | 216,600 | 11,718 | — | — | 835,550 |
| 2014 | 768,700 | 241,000 | 15,649 | — | — | 1,026,423 |
| 2013 | 648,500 | 232,000 | 231,000 | — | — | 1,141,790 |
| 2012 | 650,500 | 254,000 | 236,100 | — | — | 1,171,390 |
| 2011 | 509,023 | 334,042 | 6,762 | — | — | 850,696 |
| 2010 | 475,920 | 251,000 | 7,610 | — | — | 735,508 |
| 2009 | 478,396 | 176,450 | 3,180 | — | — | 658,438 |
| 2008 | 592,193 | 244,300 | 7,743 | — | — | 845,230 |
| 2007 | 588,603 | 310,000 | 21,327 | — | — | 922,651 |
| 2006 | — | 246,000 | 10,927 | — | — | 261,270 |
| 2005 | — | 411,000 | 2,764 | — | — | 416,454 |
| 2004 | — | 459,889 | 6,266 | — | — | 471,373 |
| 2003 | — | 380,943 | 8,420 | — | — | 396,339 |
| 2002 | — | 382,071 | 5,081 | — | 6,610 | 394,385 |
| 2001 | — | 286,000 | 5,100 | — | 13,580 | 305,393 |
| 2000 | — | 354,000 | 5,300 | — | 13,850 | 374,373 |
| 1999 | — | 288,000 | — | — | 18,650 | 308,752 |
| 1998 | — | 490,000 | — | — | 18,630 | 510,062 |