Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIMPLOT WESTERN STOCKMEN'S
223 RODEO AVE, CALDWELL, ID, 83605
Parent company: NA
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 | Zinc compounds | Manganese compounds | Copper compounds | Manganese And Manganese Compounds | Copper And Copper Compounds | Total (lbs) |
| 2024 | — | — | — | 4 | 16 | 20 |
| 2023 | 66 | — | — | 25 | — | 91 |
| 2022 | 56 | 25 | — | — | 16 | 97 |
| 2021 | 57 | 26 | 16 | — | — | 99 |
| 2020 | 58 | — | — | 28 | 16 | 102 |
| 2019 | 46 | — | — | 22 | 14 | 83 |
| 2018 | 41 | 24 | — | — | 12 | 78 |
| 2017 | 43 | 21 | 12 | — | — | 76 |
| 2016 | 34 | 16 | 10 | — | — | 60 |
| 2015 | 35 | 19 | 10 | — | — | 64 |
| 2014 | 21 | 15 | 7 | — | — | 43 |
| 2013 | 19 | 13 | 7 | — | — | 39 |
| 2012 | 23 | 13 | 7 | — | — | 43 |
| 2011 | 22 | 13 | 7 | — | — | 42 |
| 2010 | 18 | 11 | 5 | — | — | 34 |
| 2009 | 17 | 12 | 4 | — | — | 33 |
| 2008 | 255 | 10 | 5 | — | — | 270 |
| 2007 | 255 | 5 | 5 | — | — | 265 |
| 2006 | 255 | 5 | 5 | — | — | 265 |
| 2005 | 255 | 5 | 5 | — | — | 265 |
| 2004 | 255 | 10 | 5 | — | — | 270 |
▎ 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.