Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HECLA LTD LUCKY FRIDAY MINE UNIT
397 FRIDAY AVENUE, MULLAN, ID, 83846
Parent company: HECLA MINING CO
Carcinogen
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 | Manganese compounds | Zinc compounds | Lead compounds | Manganese And Manganese Compounds | Lead And Lead Compounds | Total (lbs) |
| 2024 | — | 4,629,966 | — | 9,710,933 | 4,744,624 | 19,583,730 |
| 2023 | — | 3,235,621 | — | 8,444,450 | 3,084,687 | 15,198,081 |
| 2022 | — | 3,151,149 | — | 8,042,756 | 4,587,771 | 16,340,193 |
| 2021 | — | 1,997,427 | — | 7,369,296 | 3,342,444 | 13,210,617 |
| 2020 | — | 1,308,953 | — | 6,944,244 | 1,697,793 | 10,142,213 |
| 2019 | — | 730,452 | — | 2,194,146 | 842,259 | 3,815,320 |
| 2018 | — | 173,869 | — | 682,471 | 326,048 | 1,182,471 |
| 2017 | 2,403,702 | 521,255 | 611,060 | — | — | 3,589,181 |
| 2016 | 11,290,585 | 1,449,512 | 2,560,171 | — | — | 15,634,894 |
| 2015 | 12,297,592 | 1,452,292 | 2,753,871 | — | — | 17,031,531 |
| 2014 | 11,832,188 | 1,752,963 | 2,865,451 | — | — | 16,756,614 |
| 2013 | 6,053,162 | 1,203,524 | 2,112,917 | — | — | 9,473,604 |
| 2011 | 10,841,892 | 2,270,975 | 3,462,847 | — | — | 17,059,136 |
| 2010 | 12,623,859 | 2,783,731 | 3,833,233 | — | — | 19,786,973 |
| 2009 | 12,310,714 | 2,773,228 | 3,709,251 | — | — | 18,812,439 |
| 2008 | 11,393,595 | 3,762,294 | 3,213,256 | — | — | 18,445,295 |
| 2007 | 11,848,340 | 4,508,913 | 3,597,000 | — | — | 20,033,575 |
| 2006 | 10,014,508 | 1,352,085 | 1,209,776 | — | — | 12,643,340 |
| 2005 | 7,912,121 | 2,498,205 | 2,780,552 | — | — | 13,268,804 |
| 2004 | 6,158,673 | 1,944,561 | 2,190,016 | — | — | 10,365,296 |
| 2003 | 5,485,197 | 1,601,850 | 1,768,045 | — | — | 8,908,974 |
| 2002 | 6,001,678 | 1,554,081 | 1,885,851 | — | — | 9,500,520 |
| 2001 | 7,286,315 | 2,607,932 | 3,220,054 | — | — | 13,379,673 |
| 2000 | 10,686,850 | 4,995,797 | 6,292,524 | — | — | 22,370,274 |
| 1999 | 10,500,177 | 4,049,447 | 4,886,413 | — | — | 19,730,159 |
| 1998 | 11,594,300 | 3,798,334 | 5,114,070 | — | — | 20,863,611 |
▎ 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.