Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
1857 HIGHWAY 59, SHENANDOAH, IA, 51601
Parent company: CHS INC
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 | Zinc compounds | Manganese compounds | Copper compounds | Total (lbs) | ||
| 2024 | 23 | 15 | — | 38 | ||
| 2023 | 15 | 15 | — | 30 | ||
| 2022 | 23 | 15 | — | 38 | ||
| 2021 | 25 | 15 | 15 | 55 | ||
| 2020 | 26 | 15 | 15 | 56 | ||
| 2019 | 15 | 15 | 15 | 45 | ||
| 2018 | 265 | 265 | 20 | 550 | ||
| 2017 | 265 | 20 | 20 | 305 | ||
| 2016 | 265 | 20 | 20 | 305 | ||
| 2015 | 265 | 20 | 20 | 305 | ||
▎ 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.