Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PURINA ANIMAL NUTRITION LLC - WASHINGTON COURT HOUSE
767 OLD CHILLICOTHE RD, WASHINGTON COURT HOUSE, OH, 43160
Parent company: LAND O LAKES INC
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 | Copper compounds | Zinc compounds | Total (lbs) | ||
| 1993 | 15 | — | — | 15 | ||
| 1992 | 15 | 15 | — | 30 | ||
| 1990 | 750 | — | — | 750 | ||
| 1989 | 1,000 | 500 | 250 | 1,750 | ||
▎ 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.