Facility detail

ALCOA WENATCHEE LLC

6200 MALAGA HWY, MALAGA, WA, 98828

Parent company: ALCOA CORP

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Carbonyl sulfide Hydrogen fluoride Aluminum oxide (fibrous forms) Polycyclic aromatic compounds Copper Total (lbs)
2016 — — — — — 2
2015 557,629 216,301 — 2,236 — 777,000
2014 558,135 245,642 — 1,472 — 806,444
2013 593,158 368,085 — 1,506 — 963,613
2012 528,173 353,562 — 2,132 — 886,431
2011 477,738 334,743 — 2,119 — 815,488
2010 376,754 155,488 — 1,162 — 534,022
2009 382,059 155,028 — 1,439 — 539,081
2008 383,194 119,496 — 1,308 — 504,564
2007 371,826 133,568 — 1,377 — 507,331
2006 371,329 107,073 — 1,506 — 480,480
2005 314,886 96,781 — 2,097 — 414,375
2004 — — — 1,368 — 1,552
2003 — — — 935 — 1,038
2002 — — — 1,165 — 1,422
2001 164,286 — — 2,448 — 167,308
2000 588,486 88,238 — 6,135 155 683,889
1999 594,000 94,978 — 6,121 435 695,534
1998 571,800 94,028 — 11,522 1,465 678,815
1997 211,838 115,112 — 844 1,516 329,560
1996 477,060 178,772 — 3,657 1,292 660,781
1995 504,312 66,974 — 8,468 1,220 580,974
1994 516,000 64,209 — — 1,031 581,240
1993 — 147,819 — — 1,357 149,561
1992 — 204,765 — — 948 205,973
1991 — 275,000 — — 950 276,250
1990 — 223,300 — — 1,000 224,575
1989 — 238,800 — — — 238,800
1988 — 322,800 — — — 322,800
1987 — 280,000 4,504,400 — — 4,784,400

▎ 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.