Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
LINNTON
12222 NW MARINA WAY, PORTLAND, OR, 97231
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 | Lead compounds | Mercury | Total |
|---|---|---|---|---|---|
| 2024 | — | 0 | — | — | 0 |
| 2023 | — | 0 | — | — | 0 |
| 2022 | — | — | 0 | — | 0 |
| 2021 | — | 0 | — | 0 | 0 |
| 2020 | — | 0 | — | 0 | 0 |
| 2019 | — | 0 | — | — | 0 |
| 2016 | 2 | — | — | — | 2 |
| 2011 | 359 | — | — | — | 359 |
| 2009 | 67 | — | — | — | 67 |