Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POET BIOREFINING - IOWA FALLS LLC
21050 140TH ST, IOWA FALLS, IA, 50126
Parent company: POET HOLDING CO LLC
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 | Acetaldehyde | n-Hexane | Ammonia | Formic acid | Methanol | Total (lbs) |
| 2024 | 4,807 | 3,513 | — | 750 | 1,902 | 11,877 |
| 2023 | 2,830 | 3,906 | — | 1,100 | 1,911 | 9,747 |
| 2022 | 2,903 | 3,507 | — | 1,000 | 1,400 | 9,915 |
| 2021 | 4,850 | — | — | — | 1,330 | 7,307 |
| 2020 | 4,548 | 246 | — | 4,702 | 1,060 | 11,967 |
| 2019 | 1,739 | 206 | — | 4,300 | 560 | 8,524 |
| 2018 | 2,627 | 206 | — | 4,600 | 1,634 | 10,487 |
| 2017 | 4,627 | 283 | — | — | 1,831 | 8,058 |
| 2016 | 10,010 | 225 | — | 4,118 | 1,044 | 16,202 |
| 2015 | 9,460 | 233 | 8,005 | 5,819 | 834 | 24,982 |
| 2014 | 7,880 | 222 | 8,414 | 3,230 | 453 | 20,634 |
| 2013 | 7,922 | 4,754 | 8,009 | 1,800 | 646 | 23,696 |
| 2012 | 4,769 | 4,899 | 8,425 | — | 1,715 | 21,123 |
| 2011 | 3,137 | 6,260 | 6,927 | — | 2,716 | 24,201 |
| 2010 | 8,165 | 5,524 | — | 1,051 | 2,151 | 21,594 |
| 2009 | 6,711 | 5,465 | — | — | 926 | 14,473 |
| 2008 | 7,352 | 5,419 | — | — | 687 | 14,929 |
| 2007 | 3,094 | 5,384 | 10 | — | — | 8,489 |
| 2006 | 16,160 | 4,537 | — | — | 4,467 | 29,082 |
| 2005 | 11,378 | 2,864 | — | — | 1,372 | 18,371 |
▎ 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.