Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CLOW VALVE CO FOUNDRY
1607 17TH AVE E, OSKALOOSA, IA, 52577
Parent company: MCWANE 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 | Methanol | Xylene (mixed isomers) | 4,4'-Methylenedi(phenyl isocyanate) | 1,1,1-Trichloroethane | Zinc (fume or dust) | Total (lbs) |
| 2024 | — | — | — | — | — | 217 |
| 2023 | — | — | — | — | — | 159 |
| 2022 | — | — | — | — | — | 320 |
| 2021 | — | — | — | — | — | 305 |
| 2020 | — | — | — | — | — | 236 |
| 2019 | — | — | — | — | — | 247 |
| 2018 | — | — | — | — | — | 291 |
| 2017 | — | — | — | — | — | 719 |
| 2016 | — | — | — | — | — | 722 |
| 2015 | — | — | — | — | — | 735 |
| 2014 | — | — | — | — | — | 1,577 |
| 2013 | — | — | — | — | — | 1,274 |
| 2012 | — | — | — | — | — | 1,187 |
| 2011 | — | — | — | — | — | 1,431 |
| 2010 | — | — | — | — | — | 1,412 |
| 2009 | — | — | — | — | — | 1,154 |
| 2008 | — | — | — | — | — | 1,736 |
| 2007 | — | — | — | — | 1,007 | 1,782 |
| 2006 | — | — | — | — | 1,272 | 2,454 |
| 2005 | — | — | — | — | 502 | 1,242 |
| 2004 | — | — | — | — | 947 | 1,252 |
| 2003 | — | — | — | — | 434 | 761 |
| 2002 | — | — | — | — | 839 | 1,314 |
| 2001 | — | — | — | — | 2,500 | 3,467 |
| 2000 | 10,600 | — | — | — | 612 | 12,011 |
| 1999 | 11,400 | — | — | — | — | 13,829 |
| 1998 | 10,400 | — | — | — | — | 11,388 |
| 1997 | 9,800 | — | — | — | — | 9,928 |
| 1996 | 9,890 | — | — | — | — | 10,127 |
| 1995 | 13,112 | — | — | — | — | 13,308 |
| 1994 | 11,250 | — | — | — | — | 11,511 |
| 1993 | 13,820 | — | — | — | — | 14,057 |
| 1992 | 11,450 | 13,988 | — | — | — | 25,589 |
| 1991 | 10,900 | — | 17 | — | — | 11,060 |
| 1990 | 23,570 | 14,998 | — | 11,552 | — | 51,370 |
| 1989 | 27,155 | — | 13,632 | — | — | 44,788 |
| 1988 | 11,401 | — | — | — | — | 11,401 |
▎ 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.