Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BUCKHORN MINE
3.5 MILES EAST FROM CHESAW, CHESAW, WA, 98844
Parent company: KINROSS GOLD CORP
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 | Lead compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Mercury compounds | Total (lbs) | ||
| 2018 | — | 1,122 | — | 1,122 | ||
| 2017 | 257 | 76 | 1 | 334 | ||
| 2016 | 2,723 | 300 | 9 | 3,032 | ||
| 2015 | 28,605 | 239 | 14 | 28,858 | ||
| 2014 | 3,261 | 410 | — | 3,671 | ||
| 2013 | 3,271 | 2,210 | — | 5,481 | ||
| 2012 | 28,102 | 1,510 | 218 | 29,830 | ||
| 2011 | 13,002 | 1,610 | — | 14,612 | ||
| 2010 | 5,821 | 1,610 | — | 7,431 | ||
| 2009 | 21,101 | 2,810 | — | 23,911 | ||
▎ 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.