Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WELLMAN DYNAMICS
1746 COMMERCE RD, CRESTON, IA, 50801
Parent company: NA
Carcinogen
— 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 | 1,2,4-Trimethylbenzene | Diisocyanates | Tetrachloroethylene | Phenol | 4,4'-Methylenedi(phenyl isocyanate) | Total (lbs) |
| 2024 | 14,508 | 551 | — | — | — | 15,059 |
| 2023 | 13,727 | 553 | — | — | — | 14,280 |
| 2022 | 15,257 | 585 | — | — | — | 15,842 |
| 2021 | 15,075 | 692 | — | — | — | 15,767 |
| 2020 | 23,294 | 1,074 | — | 511 | — | 24,879 |
| 2019 | 21,367 | 986 | — | — | — | 22,353 |
| 2018 | 26,591 | 1,248 | — | 10,583 | — | 38,422 |
| 2017 | 19,942 | 943 | — | — | — | 20,885 |
| 2016 | 22,836 | 1,064 | — | 10,002 | — | 33,902 |
| 2015 | 23,902 | 1,101 | — | 10,708 | — | 35,711 |
| 2014 | 22,203 | 1,037 | — | 13,496 | — | 36,736 |
| 2013 | 24,523 | 1,218 | — | 14,371 | — | 40,112 |
| 2012 | 21,672 | 1,239 | — | 12,976 | — | 35,887 |
| 2011 | 22,152 | 1,224 | — | 13,016 | — | 36,392 |
| 2010 | 21,744 | 1,189 | — | 13,175 | — | 36,108 |
| 2009 | 22,776 | 1,209 | — | 13,309 | — | 37,294 |
| 2008 | 23,400 | 1,204 | 11,900 | 13,706 | — | 50,210 |
| 2007 | 22,320 | 11 | 13,300 | 12,948 | — | 48,579 |
| 2006 | 22,552 | 11 | 13,234 | 13,706 | — | 49,503 |
| 2005 | 28,697 | 10 | 14,616 | — | — | 43,323 |
| 2004 | 25,988 | 8 | 17,456 | — | — | 43,452 |
| 2003 | 21,166 | 6 | 10,400 | — | — | 31,572 |
| 2002 | 22,193 | 63,718 | 7,700 | — | — | 95,311 |
| 2001 | 14,781 | 94,136 | 14,851 | — | — | 123,768 |
| 2000 | — | 87,460 | — | — | — | 87,460 |
| 1999 | — | 45,217 | — | — | — | 45,217 |
| 1998 | — | 69,154 | 57,836 | — | — | 126,990 |
| 1997 | — | 68,300 | 22,000 | — | — | 90,300 |
| 1996 | — | 66,900 | 18,640 | — | — | 85,540 |
| 1995 | — | — | 16,750 | — | — | 16,750 |
| 1994 | — | — | 15,750 | — | 18,000 | 33,750 |
| 1993 | — | — | 26,000 | — | 21,000 | 71,800 |
| 1992 | — | — | 20,276 | — | 26,966 | 92,586 |
| 1991 | — | — | 19,240 | — | 24,800 | 82,095 |
| 1990 | — | — | 18,055 | — | — | 48,073 |
| 1989 | — | — | 33,097 | — | — | 51,578 |
| 1988 | — | — | 28,520 | — | — | 33,057 |
▎ 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.