Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VALERO CHARLES CITY PLANT
1787 QUARRY RD, CHARLES CITY, IA, 50616
Parent company: VALERO ENERGY CORP
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 | Acetaldehyde | n-Hexane | Formic acid | Acrolein | Methanol | Total (lbs) |
| 2024 | 8,386 | 7,064 | 891 | 6,743 | 3,062 | 27,134 |
| 2023 | 12,127 | 6,625 | 2,096 | 7,671 | 2,181 | 33,306 |
| 2022 | 9,845 | 6,622 | 2,067 | 3,056 | 1,989 | 24,522 |
| 2021 | 10,918 | 6,719 | 2,061 | 2,859 | 1,565 | 25,123 |
| 2020 | 9,520 | 6,412 | 2,937 | 2,394 | 1,577 | 24,600 |
| 2019 | 9,880 | 6,109 | 3,732 | 1,143 | 1,376 | 23,678 |
| 2018 | 10,186 | 6,412 | 5,579 | 1,485 | 1,461 | 26,671 |
| 2017 | 11,756 | 6,166 | 2,260 | 4,320 | 1,445 | 26,458 |
| 2016 | 10,857 | 6,285 | 2,991 | 3,538 | 431 | 25,135 |
| 2015 | 9,653 | 6,273 | 3,842 | 2,344 | 1,785 | 26,417 |
| 2014 | 12,793 | 5,955 | 1,581 | 2,559 | 2,043 | 26,760 |
| 2013 | 11,208 | 6,499 | 1,627 | 2,583 | 1,910 | 25,854 |
| 2012 | 8,102 | 9,907 | 5,556 | 1,233 | 214 | 25,889 |
| 2011 | 9,594 | 9,647 | 5,550 | 1,539 | 291 | 27,564 |
| 2010 | 13,077 | 8,617 | 5,607 | 5,148 | 2,003 | 35,559 |
| 2009 | 4,692 | 6,593 | 5,512 | 2,691 | 1,511 | 22,230 |
| 2008 | 3,025 | 5,818 | 11,000 | 2,203 | 1,282 | 24,018 |
| 2007 | 1,203 | 4,716 | 7,900 | 1,401 | 1,203 | 16,423 |
▎ 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.