Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
32682 HIGHWAY 3, SHELL ROCK, IA, 50670
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Chromium | Nickel | Total (lbs) | |||
| 2024 | 2 | 2 | 4 | |||
| 2023 | 1 | 1 | 2 | |||
| 2021 | 2 | 2 | 4 | |||
| 2018 | 3 | 1 | 4 | |||
| 2017 | 4 | 1 | 5 | |||
| 2016 | 3 | 1 | 4 | |||
| 2015 | 2 | 1 | 3 | |||
| 2014 | 4 | 2 | 6 | |||
| 2013 | 10 | 6 | 16 | |||
| 2012 | 6 | 4 | 10 | |||
| 2011 | 7 | 4 | 11 | |||
| 2010 | 7 | 4 | 11 | |||
| 2009 | 9 | 5 | 14 | |||
| 2008 | 3 | 1 | 4 | |||
| 2007 | 5 | 3 | 8 | |||
▎ 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.