Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KNIFE RIVER NORTH CENTRAL BISMARCK ROCK ISLAND
3305 ROCK ISLAND PL, BISMARCK, ND, 58504
Parent company: KNIFE RIVER CORP
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead And Lead Compounds | Total |
|---|---|---|---|
| 2024 | 190 | 0 | 190 |
| 2023 | 190 | 0 | 190 |
| 2022 | 86 | — | 86 |
| 2021 | 120 | — | 120 |
| 2020 | 79 | — | 79 |
| 2019 | 85 | — | 85 |
| 2017 | 53 | — | 53 |
| 2016 | 226 | — | 226 |
| 2015 | 341 | — | 341 |
| 2014 | 514 | — | 514 |
| 2013 | 813 | — | 813 |