Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PURINA ANIMAL NUTRITION LLC - CLARENCE
1655 140TH ST, CLARENCE, IA, 52216
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 | Zinc compounds | Copper compounds | Total (lbs) | ||
| 1997 | — | — | 1 | 1 | ||
| 1995 | 21 | — | — | 21 | ||
| 1994 | 21 | 22 | 5 | 48 | ||
| 1993 | 36 | 36 | 7 | 79 | ||
| 1992 | 38 | 38 | 8 | 84 | ||
| 1991 | 6 | 6 | — | 12 | ||
▎ 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.