Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STEEL DYNAMICS INC FLAT ROLL GROUP COLUMBUS DIV
1945 AIRPORT RD, COLUMBUS, MS, 39701
Parent company: STEEL DYNAMICS INC
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 | Manganese compounds | Manganese And Manganese Compounds | Certain glycol ethers | Manganese | Total (lbs) |
| 2024 | 6,961 | — | 16,538 | 7,785 | — | 50,330 |
| 2023 | 6,508 | — | 17,174 | 8,199 | — | 51,517 |
| 2022 | 6,742 | — | 17,016 | 8,224 | — | 52,125 |
| 2021 | 23,797 | — | 17,469 | 6,407 | — | 65,200 |
| 2020 | 23,525 | 17,299 | — | 6,096 | — | 65,041 |
| 2019 | 16,912 | — | 17,730 | 5,262 | — | 58,619 |
| 2018 | 17,931 | — | 17,840 | 4,396 | — | 53,369 |
| 2017 | 52,397 | 17,295 | — | 3,537 | — | 84,681 |
| 2016 | 21,783 | 17,051 | — | — | — | 43,772 |
| 2015 | 20,148 | 14,679 | — | — | — | 39,159 |
| 2014 | 33,332 | 16,844 | — | — | — | 55,129 |
| 2013 | 25,131 | 16,018 | — | — | — | 45,851 |
| 2012 | 24,284 | 14,628 | — | — | — | 45,908 |
| 2011 | 3,611 | — | — | — | 11,000 | 18,492 |
| 2010 | 35,011 | — | — | — | 8,900 | 46,948 |
| 2009 | 27,011 | — | — | — | 7,500 | 40,584 |
| 2008 | 18,029 | — | — | — | 6,400 | 29,844 |
| 2007 | 8,270 | 2,700 | — | — | — | 13,399 |
▎ 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.