Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COOPER POWER SYSTEMS LLC
1900 E NORTH ST, WAUKESHA, WI, 53188
Parent company: EATON INDUSTRIAL CORP
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 | Methyl ethyl ketone | 1,1,1-Trichloroethane | n-Butyl alcohol | Ammonia | Copper | Total (lbs) |
| 2016 | — | — | — | — | 1 | 1 |
| 2015 | — | — | — | 175 | — | 175 |
| 2013 | — | — | — | — | 1 | 1 |
| 1994 | — | — | — | 250 | — | 250 |
| 1993 | — | 6,578 | — | 250 | — | 6,828 |
| 1992 | — | 25,768 | — | 250 | — | 26,018 |
| 1991 | 15,000 | 34,000 | — | 1 | — | 49,001 |
| 1990 | 25,400 | 25,915 | 13,850 | 255 | — | 65,670 |
| 1989 | 22,576 | 40,930 | 27,370 | 250 | 750 | 91,876 |
| 1988 | 62,863 | 42,498 | — | 250 | — | 106,111 |
| 1987 | 57,501 | — | — | — | — | 57,501 |
▎ 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.