Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AY MCDONALD MANUFACTURING CO
4800 CHAVENELLE ROAD, DUBUQUE, IA, 52002
Parent company: A Y MC DONALD INDUSTRIES 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 | Copper | Aluminum oxide (fibrous forms) | Lead | Zinc compounds | Lead compounds | Total (lbs) |
| 2024 | 1,893 | — | — | — | — | 1,979 |
| 2023 | 1,779 | — | — | — | — | 1,866 |
| 2022 | 1,663 | — | — | — | — | 1,821 |
| 2021 | 1,650 | — | — | — | — | 1,747 |
| 2020 | 1,532 | — | — | — | — | 1,572 |
| 2019 | 1,625 | — | — | — | 86 | 1,715 |
| 2018 | 1,722 | — | — | — | — | 1,812 |
| 2017 | 1,740 | — | — | — | 85 | 1,829 |
| 2016 | 1,298 | — | — | — | 68 | 1,370 |
| 2015 | 1,283 | — | — | — | 69 | 1,356 |
| 2014 | 2,254 | — | — | — | 95 | 2,357 |
| 2013 | 1,640 | — | — | — | 83 | 1,725 |
| 2012 | 1,601 | — | — | — | 78 | 1,681 |
| 2011 | 1,516 | — | — | — | 74 | 1,592 |
| 2010 | 1,384 | — | — | — | 72 | 1,458 |
| 2009 | 3,990 | — | — | — | 230 | 4,221 |
| 2008 | 2,326 | — | — | — | 253 | 2,581 |
| 2007 | 4,785 | — | 289 | — | — | 5,108 |
| 2006 | 4,842 | — | 293 | — | — | 5,169 |
| 2005 | 4,708 | — | 283 | — | — | 5,024 |
| 2004 | 4,872 | — | 298 | 310 | — | 5,516 |
| 2003 | 4,156 | — | 257 | 264 | — | 4,677 |
| 2002 | 6,529 | — | 382 | 456 | — | 7,408 |
| 2001 | 755 | — | 48 | 255 | — | 1,068 |
| 2000 | 755 | — | 255 | 255 | — | 1,275 |
| 1999 | 255 | — | 255 | — | — | 510 |
| 1998 | 255 | — | 255 | — | — | 510 |
| 1997 | 255 | — | 255 | — | — | 510 |
| 1996 | 255 | — | 255 | — | — | 510 |
| 1995 | 2,405 | — | 255 | — | — | 2,660 |
| 1994 | 1,905 | — | 255 | — | — | 2,160 |
| 1993 | 1,605 | — | 255 | — | — | 1,860 |
| 1992 | 255 | — | 255 | — | — | 510 |
| 1991 | 1,569 | — | 500 | — | — | 2,069 |
| 1990 | 2,542 | — | 500 | — | — | 3,042 |
| 1989 | 2,444 | — | 500 | — | — | 2,944 |
| 1988 | 1,790 | 14,251 | 750 | — | — | 16,791 |
▎ 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.