Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WILLIAMSON ENERGY
16468 LIBERTY SCHOOL RD, MARION, IL, 62959
Parent company: NA
Carcinogen
PBT
— 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 | Lead | Mercury | Total (lbs) | |||
| 2024 | 141,334 | 1,084 | 142,418 | |||
| 2023 | 153,091 | 1,174 | 154,266 | |||
| 2022 | 156,612 | 1,201 | 157,813 | |||
| 2021 | 166,039 | 1,274 | 167,312 | |||
| 2020 | 90,663 | 695 | 91,359 | |||
| 2019 | 160,431 | 1,231 | 161,661 | |||
| 2018 | 353,256 | 2,710 | 355,965 | |||
| 2017 | 163,477 | 1,254 | 164,731 | |||
| 2016 | 187,708 | 1,440 | 189,148 | |||
| 2015 | 142,918 | 1,153 | 144,072 | |||
▎ 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.