Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WORTHINGTON STEEL CO
100 WORTHINGTON DR, PORTER, IN, 46304
Parent company: WORTHINGTON STEEL INC
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||||
| 2024 | 659 | 659 | ||||
| 2023 | 758 | 758 | ||||
| 2022 | 717 | 717 | ||||
| 2021 | 967 | 967 | ||||
| 2020 | 731 | 731 | ||||
| 2019 | 773 | 773 | ||||
| 2018 | 822 | 822 | ||||
| 2017 | 829 | 829 | ||||
| 2016 | 605 | 605 | ||||
| 2015 | 540 | 540 | ||||
| 2014 | 533 | 533 | ||||
| 2013 | 582 | 582 | ||||
| 2012 | 546 | 546 | ||||
| 2011 | 432 | 432 | ||||
| 2010 | 828 | 828 | ||||
| 2009 | 706 | 706 | ||||
| 2008 | 934 | 934 | ||||
| 2007 | 1,149 | 1,149 | ||||
| 2006 | 1,297 | 1,297 | ||||
| 2005 | 1,263 | 1,263 | ||||
| 2003 | 2,076 | 2,076 | ||||
| 2002 | 1,831 | 1,831 | ||||
| 2001 | 1,440 | 1,440 | ||||
| 2000 | 1,096 | 1,096 | ||||
| 1999 | 6,522 | 6,522 | ||||
| 1998 | 6,255 | 6,255 | ||||
| 1997 | 7,303 | 7,303 | ||||
| 1996 | 6,667 | 6,667 | ||||
| 1995 | 5,968 | 5,968 | ||||
| 1994 | 6,293 | 6,293 | ||||
| 1993 | 1,000 | 1,000 | ||||
| 1992 | 1,750 | 1,750 | ||||
| 1991 | 1,000 | 1,000 | ||||
▎ 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.