Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
REG SENECA LLC
614 SHIPYARD RD, SENECA, IL, 61360
Parent company: CHEVRON 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 | Methanol | Certain glycol ethers | Total (lbs) | |||
| 2024 | 6,108 | 69 | 6,177 | |||
| 2023 | 5,741 | 69 | 5,810 | |||
| 2022 | 5,857 | 69 | 5,926 | |||
| 2021 | 6,591 | 69 | 6,660 | |||
| 2020 | 6,539 | 69 | 6,608 | |||
| 2019 | 6,637 | 69 | 6,706 | |||
| 2018 | 6,544 | 69 | 6,613 | |||
| 2017 | 6,405 | 94 | 6,499 | |||
| 2016 | 9,080 | — | 9,080 | |||
| 2015 | 6,867 | 73 | 6,940 | |||
| 2014 | 5,946 | 93 | 6,039 | |||
| 2013 | 5,978 | 76 | 6,054 | |||
| 2012 | 5,059 | — | 5,059 | |||
| 2011 | 4,449 | — | 4,449 | |||
| 2010 | 2,593 | — | 2,593 | |||
| 2009 | 3,074 | — | 3,074 | |||
| 2008 | 4,498 | — | 4,498 | |||
▎ 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.