Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EPIROC DRILLING TOOLS LLC
1962 QUEENLAND DR, KRONENWETTER, WI, 54455
Parent company: EPIROC DRILLING TOOLS LLC
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 | Xylene (mixed isomers) | Manganese | Copper | Total (lbs) | ||
| 2024 | — | 51 | — | 51 | ||
| 2023 | 1,773 | 65 | — | 1,838 | ||
| 2022 | 2,472 | 145 | — | 2,617 | ||
| 2021 | 1,864 | 124 | — | 1,988 | ||
| 2020 | — | 113 | — | 113 | ||
| 2019 | — | 118 | — | 118 | ||
| 2018 | — | 142 | — | 142 | ||
| 2017 | — | 109 | — | 109 | ||
| 2016 | — | 114 | — | 114 | ||
| 2015 | — | 129 | — | 129 | ||
| 2014 | — | 96 | — | 96 | ||
| 2013 | — | 64 | — | 64 | ||
| 2012 | — | 64 | — | 64 | ||
| 2011 | — | 92 | — | 92 | ||
| 2010 | — | 44 | — | 44 | ||
| 2008 | — | 180 | — | 180 | ||
| 2007 | — | 317 | 133 | 450 | ||
▎ 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.