Facility detail

WEYERHAEUSER CO

US HWY 99 S, COTTAGE GROVE, OR, 97424

Parent company: WEYERHAEUSER CO

Carcinogen — 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 Phenol Formaldehyde Total (lbs)
1992 7,000 250 7,250
1991 10,000 750 10,750
1990 18,212 750 18,962
1989 16,000 15,000 31,000
1988 18,100 18,100

▎ 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.