Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIOUX CITY FOUNDRY CO
801 DIVISION ST, SIOUX CITY, IA, 51105
Parent company: NA
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 | Nickel | Chromium | Manganese | Lead | Copper | Total (lbs) |
| 2024 | 2 | — | 2 | — | 0 | 4 |
| 2023 | 2 | — | 2 | 1 | 0 | 5 |
| 2022 | 8 | 9 | 6 | 0 | — | 23 |
| 2021 | 11 | 10 | 7 | 0 | — | 28 |
| 2020 | 8 | 8 | 5 | 0 | — | 21 |
| 2019 | 11 | 12 | 9 | 0 | — | 32 |
| 2018 | 8 | 6 | 4 | 0 | — | 18 |
| 2017 | 20 | 21 | 14 | 1 | — | 56 |
| 2016 | 22 | 19 | 13 | 1 | — | 55 |
| 2015 | 28 | 17 | 10 | — | — | 55 |
▎ 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.