Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KNIFE RIVER SPOKANE PRESTRESS
922 N CARNAHAN RD, SPOKANE, WA, 99212
Parent company: CRH AMERICAS INC
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 | Manganese compounds | Lead compounds | Lead And Lead Compounds | Mercury compounds | Total |
|---|---|---|---|---|---|
| 2022 | — | 0 | — | — | 0 |
| 2021 | — | — | 0 | — | 0 |
| 2019 | — | 70 | — | — | 70 |
| 2018 | 1,992 | 19 | — | — | 2,011 |
| 2017 | 10,493 | 100 | — | — | 10,593 |
| 2016 | 9,535 | 90 | — | — | 9,626 |
| 2015 | 1,694 | 16 | — | — | 1,710 |
| 2014 | 2,470 | 24 | — | 0 | 2,494 |
| 2013 | — | 9 | — | — | 9 |
| 2011 | — | 17 | — | — | 17 |
| 2010 | — | 12 | — | — | 12 |
| 2009 | — | 13 | — | — | 13 |
| 2008 | — | 16 | — | — | 16 |
| 2007 | — | 28 | — | — | 28 |
| 2006 | — | 19 | — | — | 19 |
| 2005 | — | 21 | — | — | 21 |