Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONTEZUMA MANUFACTURING
403 S 8TH ST, MONTEZUMA, IA, 50171
Parent company: MAGNA US HOLDING 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 | Manganese | Chromium | Nickel | Copper | Lead | Total (lbs) |
| 2021 | 0 | 2 | — | 1 | — | 3 |
| 2020 | 0 | 3 | 1 | 1 | — | 5 |
| 2019 | 0 | 2 | 1 | 0 | — | 3 |
| 2018 | 1 | 3 | 1 | — | — | 4 |
| 2017 | 0 | — | — | 1 | — | 2 |
| 2016 | 7 | 0 | 0 | 1 | — | 8 |
| 2015 | 14 | 0 | 0 | 1 | — | 15 |
| 2014 | 11 | 0 | 0 | 1 | — | 12 |
| 2013 | 10 | 0 | 0 | 0 | — | 11 |
| 2012 | 135 | 81 | 53 | 37 | — | 306 |
| 2011 | 221 | 31 | 16 | — | 0 | 268 |
| 2010 | 250 | — | — | — | 0 | 250 |
| 2009 | 250 | — | — | — | 0 | 250 |
| 2008 | 250 | — | — | — | 0 | 250 |
| 2007 | 250 | — | — | — | 0 | 250 |
| 2006 | — | — | — | — | 0 | 0 |
| 2005 | — | — | — | — | 0 | 0 |
| 2004 | — | — | — | — | 0 | 0 |
| 2003 | — | — | — | — | 0 | 0 |
| 1994 | — | 10 | — | — | — | 10 |
| 1993 | — | 5 | — | — | — | 5 |
| 1992 | — | 5 | — | — | — | 5 |
| 1991 | — | 5 | — | — | — | 5 |
▎ 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.