Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WISCONSIN PORCELAIN CO
120 LINCOLN ST, SUN PRAIRIE, WI, 53590
Parent company: NA
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Manganese compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) | ||
| 1999 | 250 | 250 | 250 | 750 | ||
| 1998 | 1 | — | — | 1 | ||
| 1997 | 15 | — | 11 | 26 | ||
| 1996 | 20 | 5 | 8 | 33 | ||
| 1995 | 250 | 250 | — | 500 | ||
| 1994 | 250 | — | — | 250 | ||
| 1992 | 5 | 5 | — | 10 | ||
| 1991 | 5 | 5 | 5 | 15 | ||
| 1990 | — | — | 5 | 5 | ||
▎ 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.