Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COOPER POWER SYSTEMS LLC
1319 LINCOLN AVE, WAUKESHA, WI, 53186
Parent company: EATON CORP
Carcinogen
— EPA classifications across all reporting years
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 | Toluene | Methyl ethyl ketone | n-Butyl alcohol | Methyl isobutyl ketone | Chromium | Total (lbs) |
| 2024 | — | — | 1,100 | — | 1 | 1,101 |
| 2023 | — | — | 1,100 | — | 1 | 1,101 |
| 2022 | — | — | — | — | 1 | 1 |
| 2019 | — | — | 1,000 | — | — | 1,000 |
| 2018 | — | — | 330 | — | — | 330 |
| 2016 | — | — | — | — | — | 0 |
| 2015 | — | — | — | — | 7 | 18 |
| 2014 | — | — | — | — | 14 | 28 |
| 2013 | — | — | — | — | 6 | 15 |
| 2001 | — | 7,782 | — | — | — | 7,782 |
| 2000 | — | 2,964 | — | — | — | 2,964 |
| 1999 | — | 2,774 | — | — | — | 2,774 |
| 1997 | — | 8,428 | — | — | — | 8,428 |
| 1996 | — | 10,216 | — | — | — | 10,216 |
| 1995 | — | 6,500 | — | — | — | 6,500 |
| 1994 | — | 6,756 | — | — | — | 6,756 |
| 1993 | — | 9,443 | — | — | — | 9,443 |
| 1992 | — | 17,559 | — | — | — | 17,559 |
| 1991 | 25,800 | 11,200 | 22,700 | 11,900 | — | 71,600 |
| 1990 | — | 4,810 | 20,750 | 15,600 | — | 41,160 |
| 1989 | 36,300 | 4,400 | 29,900 | 12,000 | — | 82,600 |
| 1988 | 35,000 | — | — | 12,800 | — | 47,800 |
▎ 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.