Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MISSOURI VALLEY STEEL CO
1300 DIVISION ST, SIOUX CITY, IA, 51105
Parent company: OWEN INDUSTRIES 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 | Methyl ethyl ketone | Manganese | Zinc compounds | Chromium | Zinc (fume or dust) | Total (lbs) |
| 2022 | — | 352 | — | — | — | 352 |
| 2021 | — | 361 | — | — | — | 361 |
| 2020 | — | 38 | — | — | — | 38 |
| 2019 | — | 19 | — | — | — | 19 |
| 2018 | — | 9 | — | — | — | 9 |
| 2017 | — | 4 | — | — | — | 4 |
| 2015 | — | 6 | — | — | — | 6 |
| 2014 | — | 25 | — | — | — | 25 |
| 2013 | — | 255 | — | — | — | 255 |
| 2011 | — | 15 | — | — | — | 15 |
| 2010 | — | 57 | — | — | — | 57 |
| 2008 | — | 10 | — | — | — | 10 |
| 2007 | — | 10 | — | — | — | 10 |
| 2006 | — | 10 | — | — | — | 10 |
| 2005 | — | 255 | — | — | — | 255 |
| 2004 | — | 255 | — | — | — | 255 |
| 2003 | — | 500 | — | — | — | 500 |
| 2002 | — | 250 | — | — | — | 250 |
| 2001 | — | 5 | — | — | — | 5 |
| 2000 | — | 5 | 1,300 | 5 | — | 1,310 |
| 1999 | — | 5 | — | — | — | 5 |
| 1998 | — | — | — | — | 5 | 5 |
| 1994 | 11,711 | — | — | — | — | 11,711 |
▎ 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.