Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KNIFE RIVER-RICE STREET
4001 E RICE ST, SIOUX FALLS, SD, 57110
Parent company: KNIFE RIVER CORP
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Polycyclic aromatic compounds | Lead | Mercury | Benzo[g,h,i]perylene | Total (lbs) |
| 2024 | 80 | 0 | 0 | 0 | — | 80 |
| 2023 | 100 | 0 | 0 | — | — | 101 |
| 2022 | 156 | 0 | 0 | 0 | — | 157 |
| 2021 | 140 | 0 | 0 | — | — | 141 |
| 2020 | 230 | 0 | 0 | — | — | 231 |
| 2019 | 250 | 0 | — | — | 0 | 250 |
| 2018 | — | 0 | — | — | — | 0 |
▎ 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.