Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
21250 MIDDLETON RD, CALDWELL, ID, 83605
Parent company: CRH AMERICAS 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead | Total (lbs) | |||
| 2024 | 1,811 | 16 | 1,827 | |||
| 2023 | 3,814 | 34 | 3,848 | |||
| 2022 | 2,879 | 131 | 3,010 | |||
| 2021 | — | 92 | 92 | |||
| 2020 | 1,972 | 97 | 2,069 | |||
| 2019 | 1,560 | 179 | 1,739 | |||
| 2018 | 2,273 | 50 | 2,323 | |||
| 2007 | — | 25 | 25 | |||
| 2006 | — | 24 | 24 | |||
| 2005 | — | 23 | 23 | |||
▎ 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.