Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OLDCASTLE INFRASTRUCTURE & IDAHO SAND & GRAVEL
16419 TEN LN, NAMPA, ID, 83687
Parent company: CRH AMERICAS 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 | Polycyclic aromatic compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Lead compounds | Lead And Lead Compounds | Mercury compounds | Total (lbs) |
| 2024 | 57 | — | 0 | — | — | 57 |
| 2023 | 73 | — | — | 2 | — | 76 |
| 2022 | 62 | — | 1 | — | 0 | 64 |
| 2021 | 32 | — | 1 | — | 0 | 34 |
| 2020 | — | — | 1 | — | — | 1 |
| 2019 | — | 24 | 2 | — | — | 26 |
| 2018 | — | — | 1 | — | — | 1 |
| 2017 | — | — | 2 | — | — | 2 |
| 2016 | — | — | 2 | — | — | 2 |
| 2015 | — | — | 2 | — | — | 2 |
| 2014 | — | — | 3 | — | — | 3 |
| 2013 | — | — | 2 | — | — | 2 |
▎ 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.