Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GRANITE CREEK MINE
20 MILES NE GOLCONDA EXIT 194, GOLCONDA, NV, 89414
Parent company: PREMIER GOLD MINES USA INC.
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 | Mercury compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead compounds | Lead And Lead Compounds | Propylene | Total (lbs) |
| 2024 | 5,098 | — | — | 316 | — | 5,413 |
| 2023 | 822 | — | — | 283 | — | 1,105 |
| 2022 | 4,112 | — | — | 88 | — | 4,200 |
| 2015 | 1,293 | — | 1,019 | — | — | 2,312 |
| 2014 | — | — | 487 | — | — | 487 |
| 2013 | 98 | — | 676 | — | — | 774 |
| 2012 | 103 | — | 728 | — | — | 831 |
| 1999 | — | 1,517 | — | — | — | 1,519 |
| 1998 | — | 1,954 | — | — | 653 | 2,761 |
▎ 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.